diff --git a/modules/api/php/endpoints/candidate/visit/visit_0_0_4_dev.class.inc b/modules/api/php/endpoints/candidate/visit/visit_0_0_4_dev.class.inc
index a69ef8b2fe8..20a74962f71 100644
--- a/modules/api/php/endpoints/candidate/visit/visit_0_0_4_dev.class.inc
+++ b/modules/api/php/endpoints/candidate/visit/visit_0_0_4_dev.class.inc
@@ -383,126 +383,63 @@ class Visit_0_0_4_Dev extends Endpoint implements \LORIS\Middleware\ETagCalculat
             );
         }
 
-        if (!isset($data['Stages'])) {
+        if ($this->_visit->getCurrentStage() !== 'Not Started') {
+            return new \LORIS\Http\Response\JSON\Conflict(
+                "This visit is already started"
+            );
+        }
+
+        try {
+            $date = new \DateTime($data['Stages']['Visit']['Date'] ?? 0);
+        } catch (\Exception $e) {
             return new \LORIS\Http\Response\JSON\BadRequest(
-                'There is no stage data specified'
+                'Stages.Visit.Date is invalid or missing'
             );
         }
+        // TODO :: Check for min and max year
 
-        $allowedStages   = ['Screening', 'Visit', 'Approval'];
-        $allowedStatuses = ['Pass', 'Failure', 'Withdrawal', 'In Progress'];
+        $status = $data['Stages']['Visit']['Status'] ?? '';
+        if ($status != 'In Progress') {
+            return new \LORIS\Http\Response\JSON\BadRequest(
+                'Stages.Visit.Status invalid or missing'
+            );
+        }
 
-        // loop on all stages to validate
-        foreach ($data['Stages'] as $stage => $stageData) {
-            if (!in_array($stage, $allowedStages)) {
-                return new \LORIS\Http\Response\JSON\BadRequest(
-                    "Stage $stage is not valid"
-                );
-            }
+        $newStage = $this->_visit->getNextStage();
 
-            // TODO: Implement and remove
-            if (in_array($stage, ['Screening', 'Approval'])) {
-                return new \LORIS\Http\Response\JSON\NotImplemented(
-                    "Stage $stage is not implemented yet"
-                );
-            }
+        $this->_visit->startStage($newStage);
 
-            if (!isset($stageData['Status'])) {
-                return new \LORIS\Http\Response\JSON\BadRequest(
-                    "There is no $stage stage status specified"
-                );
-            }
+        // set the date for the new stage
+        $this->_visit->setData(["Date_$newStage" => $date->format('Y-m-d')]);
 
-            if (!in_array($stageData['Status'], $allowedStatuses)) {
-                return new \LORIS\Http\Response\JSON\BadRequest(
-                    "Stage $stage status {$stageData['Status']} is not valid"
-                );
-            }
+        // TODO :: Add support for scan done
 
-            // TODO: Implement and remove
-            if (in_array($stageData['Status'], ['Pass', 'Failure', 'Withdrawal'])) {
-                return new \LORIS\Http\Response\JSON\NotImplemented(
-                    "Stage $stage status transition
-                    {$stageData['Status']} is not implemented yet"
-                );
-            }
+        // create a new battery object && new battery
+        $candidate  = \Candidate::singleton($this->_visit->getCandID());
+        $visitLabel = $this->_visit->getVisitLabel();
 
-            if (!isset($stageData['Date'])) {
-                return new \LORIS\Http\Response\JSON\BadRequest(
-                    "There is no $stage stage date specified"
-                );
-            }
-
-            $stageData['Date'] = \DateTime::createFromFormat(
-                'Y-m-d',
-                $stageData['Date']
-            );
-            if (!$stageData['Date']) {
-                return new \LORIS\Http\Response\JSON\BadRequest(
-                    "The stage date specified for $stage is invalid.
-                    Date must be of the form YYYY-MM-DD"
-                );
-            }
+        // First visit ?
+        $firstVisit = false;
+        try {
+            $firstVisit = ($candidate->getFirstVisit() == $visitLabel);
+        } catch (\LorisException $e) {
         }
 
-        // Passed this point, the request should be valid
-        // Loop again and process the request
-        foreach ($data['Stages'] as $stage => $stageData) {
-            switch ($stage) {
-                // Only Visit | In progress is supported at the moment
-            case 'Visit':
-                switch ($stageData['Status']) {
-                case 'In Progress':
-                    if ($this->_visit->getCurrentStage() !== 'Not Started') {
-                        return new \LORIS\Http\Response\JSON\Conflict(
-                            "This visit is already started"
-                        );
-                    }
-
-                    $newStage = $this->_visit->getNextStage();
-                    if (!$newStage) {
-                        return new \LORIS\Http\Response\JSON\Conflict(
-                            "Next stage is null"
-                        );
-                    }
-
-                    // start that stage
-                    $this->_visit->startStage($newStage);
-
-                    // set the date for the new stage
-                    $this->_visit->setData(["Date_$newStage" => $stageData["Date"]]);
-
-                    // create a new battery object && new battery
-                    $candidate  = \Candidate::singleton($this->_visit->getCandID());
-                    $visitLabel = $this->_visit->getVisitLabel();
-
-                    // First visit ?
-                    $firstVisit = false;
-                    try {
-                        if ($candidate->getFirstVisit() == $visitLabel) {
-                            $firstVisit = true;
-                        }
-                    } catch (\LorisException $e) {
-                    }
-
-                    $battery = new \NDB_BVL_Battery;
-                    // select a specific time point (sessionID) for the battery
-                    $battery->selectBattery($this->_visit->getSessionID());
-
-                    // add instruments to the time point
-                    $battery->createBattery(
-                        $request->getAttribute("loris"),
-                        $this->_visit->getSubprojectID(),
-                        $newStage,
-                        $this->_visit->getVisitLabel(),
-                        $this->_visit->getCenterID(),
-                        $firstVisit
-                    );
-
-                    return new \LORIS\Http\Response\JSON\OK();
-                }
-            }
-        }
+        $battery = new \NDB_BVL_Battery;
+        // select a specific time point (sessionID) for the battery
+        $battery->selectBattery($this->_visit->getSessionID());
+
+        // add instruments to the time point
+        $battery->createBattery(
+            $request->getAttribute("loris"),
+            $this->_visit->getSubprojectID(),
+            $newStage,
+            $this->_visit->getVisitLabel(),
+            $this->_visit->getCenterID(),
+            $firstVisit
+        );
+
+        return new \LORIS\Http\Response\JSON\NoContent();
     }
 
     /**
diff --git a/modules/api/static/schema-v0.0.4-dev.yml b/modules/api/static/schema-v0.0.4-dev.yml
index 55a2c2a17ac..8a8dd80ab01 100644
--- a/modules/api/static/schema-v0.0.4-dev.yml
+++ b/modules/api/static/schema-v0.0.4-dev.yml
@@ -8,332 +8,13 @@ info:
   license:
     name: 'GNU Public License, Version 3'
     url: 'https://opensource.org/licenses/GPL-3.0'
-  version: 0.0.3
+  version: 0.0.4-dev
 servers:
-  - url: /api/v0.0.3
+  - url: /api/v0.0.4-dev
 security:
   - ApiKeyAuth: []
 paths:
-  /login:
-    post:
-      tags:
-        - Login
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/body'
-      responses:
-        '200':
-          description: The JWT
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_200'
-  /projects:
-    get:
-      tags:
-        - Projects
-      summary: List all projects
-      responses:
-        '200':
-          description: An object with projects as properties
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_200_1'
-  '/projects/{project}':
-    get:
-      tags:
-        - Projects
-      summary: Get that project descriptor
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the project descriptor
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Project'
-  '/projects/{project}/candidates':
-    get:
-      tags:
-        - Projects
-      summary: List all candidates of that project
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the list of candidates
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ProjectCandidates'
-  '/projects/{project}/images':
-    get:
-      tags:
-        - Projects
-      summary: List all images of that project
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: since
-          in: query
-          description: A date
-          required: false
-          style: form
-          explode: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the list of image descriptors
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ProjectImages'
-  '/projects/{project}/instruments':
-    get:
-      tags:
-        - Projects
-      summary: List all instruments of that project
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the list of instrument summary descriptors
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ProjectInstruments'
-  '/projects/{project}/instruments/{instrument}':
-    get:
-      tags:
-        - Projects
-      summary: Get an instrument descriptor in that project
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An JSON representation of the instrument form
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ProjectInstrument'
-  '/projects/{project}/visits':
-    get:
-      tags:
-        - Projects
-      summary: List all existing visit label of that project
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the list of instrument summary descriptors
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ProjectVisits'
-  '/projects/{project}/recordings':
-    get:
-      tags:
-        - Projects
-      summary: List all existing visit label of that project
-      parameters:
-        - name: project
-          in: path
-          description: The project name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the list of instrument summary descriptors
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ProjectRecordings'
-  /candidates:
-    get:
-      tags:
-        - Candidates
-      summary: List all candidates in this LORIS instance
-      responses:
-        '200':
-          description: An object containing the list of instrument summary descriptors
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Candidates'
-    post:
-      tags:
-        - Candidates
-      summary: Create a candidate
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/NewCandidate'
-      responses:
-        '201':
-          description: The new candidate
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Candidate'
-  '/candidates/{candid}':
-    get:
-      tags:
-        - Candidates
-      summary: Get a JSON object representing that candidate
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The new candidate
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_200_2'
   '/candidates/{candid}/{visit}':
-    get:
-      tags:
-        - Visit
-      summary: Get a visit descriptor for that candidate
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The new candidate
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_200_3'
-    put:
-      tags:
-        - Visit
-      summary: Add a timepoint to that candidate
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/VisitMetaFields'
-      responses:
-        '201':
-          description: The visit was created successfully
-          headers:
-            Content-Location:
-              description: The URL of the new visit.
-              style: simple
-              explode: false
-              schema:
-                type: string
-        '204':
-          description: The visit was updated successfully.
-          headers:
-            Content-Location:
-              description: The URL of the new visit.
-              style: simple
-              explode: false
-              schema:
-                type: string
-        '409':
-          description: The visit is already started. It can't be updated.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_409'
     patch:
       tags:
         - Visit
@@ -354,1536 +35,17 @@ paths:
           style: simple
           explode: false
           schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/VisitPatchFields'
-      responses:
-        '200':
-          description: The visit stage was updated successfully
-
-  '/candidates/{candid}/{visit}/instruments':
-    get:
-      tags:
-        - Instruments
-      summary: List all instruments of that timepoint
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The list of instrument short names
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_200_4'
-  '/candidates/{candid}/{visit}/instruments/{instrument}':
-    get:
-      tags:
-        - Instruments
-      summary: Get an instrument data values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: This instrument data values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Instrument'
-    put:
-      tags:
-        - Instruments
-      summary: Set an instrument data values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/Instrument'
-      responses:
-        '204':
-          description: This instrument data values have been saved
-    patch:
-      tags:
-        - Instruments
-      summary: Update some data values of an instrument
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/Instrument'
-      responses:
-        '204':
-          description: This instrument data values have been saved
-  '/candidates/{candid}/{visit}/instruments/{instrument}/flags':
-    get:
-      tags:
-        - Instruments
-      summary: Get an instrument flags values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: This instrument flags values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/InstrumentFlags'
-    put:
-      tags:
-        - Instruments
-      summary: Set an instrument flags values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/InstrumentFlags'
-      responses:
-        '501':
-          description: This instrument flags values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Error'
-    patch:
-      tags:
-        - Instruments
-      summary: Update some flags values of an instrument
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/InstrumentFlags'
-      responses:
-        '501':
-          description: This instrument flags values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Error'
-  '/candidates/{candid}/{visit}/instruments/{instrument}/dde':
-    get:
-      tags:
-        - Instruments
-      summary: Get an instrument data values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: This instrument data values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Instrument'
-    put:
-      tags:
-        - Instruments
-      summary: Set an instrument data values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/Instrument'
-      responses:
-        '204':
-          description: This instrument data values have been saved
-    patch:
-      tags:
-        - Instruments
-      summary: Update some data values of an instrument
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/Instrument'
-      responses:
-        '204':
-          description: This instrument data values have been saved
-  '/candidates/{candid}/{visit}/instruments/{instrument}/dde/flags':
-    get:
-      tags:
-        - Instruments
-      summary: Get an instrument flags values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: This instrument flags values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/InstrumentFlags'
-    put:
-      tags:
-        - Instruments
-      summary: Set an instrument flags values
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/InstrumentFlags'
-      responses:
-        '501':
-          description: This instrument flags values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Error'
-    patch:
-      tags:
-        - Instruments
-      summary: Update some flags values of an instrument
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: instrument
-          in: path
-          description: The instrument short name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/InstrumentFlags'
-      responses:
-        '501':
-          description: This instrument flags values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Error'
-  '/candidates/{candid}/{visit}/images':
-    get:
-      tags:
-        - Images
-      summary: List all images of a timepoint
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The images list
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Images'
-  '/candidates/{candid}/{visit}/images/{filename}':
-    get:
-      tags:
-        - Images
-      summary: Get an images of a timepoint
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The file content
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/images/{filename}/qc':
-    get:
-      tags:
-        - Images
-      summary: Get the qc values of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The images qc values
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ImageQc'
-    put:
-      tags:
-        - Images
-      summary: Set the qc values of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/ImageQc'
-      responses:
-        '204':
-          description: Qc value updated
-  '/candidates/{candid}/{visit}/images/{filename}/format/brainbrowser':
-    get:
-      tags:
-        - Images
-      summary: Get the brainbrowser format of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The images list
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/FormatBrainbrowser'
-  '/candidates/{candid}/{visit}/images/{filename}/format/raw':
-    get:
-      tags:
-        - Images
-      summary: Get the raw format of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The the output of mnc2raw
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/images/{filename}/format/thumbnail':
-    get:
-      tags:
-        - Images
-      summary: Get the thumbnail format of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The thumbnail representation of this image
-          content:
-            image/jpeg:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/images/{filename}/headers':
-    get:
-      tags:
-        - Images
-      summary: Get the summary headers of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The images summary headers
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ImageSummaryHeaders'
-  '/candidates/{candid}/{visit}/images/{filename}/headers/full':
-    get:
-      tags:
-        - Images
-      summary: Get all headers of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The images complete headers
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ImageHeaders'
-  '/candidates/{candid}/{visit}/images/{filename}/headers/{headername}':
-    get:
-      tags:
-        - Images
-      summary: Get a specific header of an image
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The image filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: headername
-          in: path
-          description: The requested header name
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The header value
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/inline_response_200_5'
-  '/candidates/{candid}/{visit}/qc/imaging':
-    get:
-      tags:
-        - Visit
-      summary: Get the imaging qc values of a visit
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The images list
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ImagingQc'
-    put:
-      tags:
-        - Visit
-      parameters:
-        - name: candid
-          in: path
-          description: The candidate identifier
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: The visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      requestBody:
-        content:
-          application/json:
-            schema:
-              $ref: '#/components/schemas/ImagingQc'
-      responses:
-        '204':
-          description: Qc value updated
-  '/candidates/{candid}/{visit}/dicoms':
-    get:
-      tags:
-        - Dicoms
-      summary: List all dicoms for that timepoint
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: An object containing the list of dicoms
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Dicoms'
-
-  '/candidates/{candid}/{visit}/dicoms/{tarname}':
-    get:
-      tags:
-        - Dicoms
-      summary: Get the dicom file
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: tarname
-          in: path
-          description: The dicom filename
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The dicom file content
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-
-  '/candidates/{candid}/{visit}/recordings':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get the recording files for that visit
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          style: simple
-          explode: false
-          schema:
-            type: string
-      responses:
-        '200':
-          description: Recordings which have been acquired for that visit
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Recordings'
-  '/candidates/{candid}/{visit}/recordings/{filename}':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording file
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The recording file content
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/recordings/{filename}/metadata':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording file metadata
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: All metadata about that recording
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RecordingMetadata'
-  '/candidates/{candid}/{visit}/recordings/{filename}/metadata/{headername}':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a specific metadata from a recording file 
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-        - name: headername
-          in: path
-          description: The metadata header name
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The metadata header value
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RecordingMetadataSpecific'
-  '/candidates/{candid}/{visit}/recordings/{filename}/channels':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording file channels
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: All metadata about that recording
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RecordingChannels'
-  '/candidates/{candid}/{visit}/recordings/{filename}/electrodes':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording file electrodes
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: All metadata about that recording
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RecordingElectrodes'
-  '/candidates/{candid}/{visit}/recordings/{filename}/events':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording file events
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: All metadata about that recording
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RecordingEvents'
-  '/candidates/{candid}/{visit}/recordings/{filename}/bidsfiles/archive':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording archive with all associated files 
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The recording archive
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/recordings/{filename}/bidsfiles/channels':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording channels in BIDS format 
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The recording channels in BIDS format
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/recordings/{filename}/bidsfiles/electrodes':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording electrodes in BIDS format 
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The recording electrodes in BIDS format
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-  '/candidates/{candid}/{visit}/recordings/{filename}/bidsfiles/events':
-    get:  
-      tags:
-        - Electrophysiology
-      summary: Get a recording events in BIDS format 
-      parameters:
-        - name: candid
-          in: path
-          description: ID of the candidate
-          required: true
-          schema:
-            type: string
-        - name: visit
-          in: path
-          description: This timepoint visit label
-          required: true
-          schema:
-            type: string
-        - name: filename
-          in: path
-          description: The recording filename
-          required: true
-          schema:
-            type: string
-      responses:
-        '200':
-          description: The recording events in BIDS format
-          content:
-            application/octet-stream:
-              schema:
-                type: string
-                format: binary
-components:
-  schemas:
-    Project:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/Project_Meta'
-        Visits:
-          type: array
-          items:
-            type: string
-        Instruments:
-          type: array
-          items:
-            type: string
-        Candidates:
-          type: array
-          items:
-            type: string
-    ProjectCandidates:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/Project_Meta'
-        Candidates:
-          type: array
-          items:
-            type: string
-    ProjectImages:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/Project_Meta'
-        Images:
-          type: array
-          items:
-            $ref: '#/components/schemas/ProjectImage'
-    ProjectImage:
-      type: object
-      properties:
-        Candidate:
-          type: string
-        PSCID:
-          type: string
-        Visit:
-          type: string
-        Visit_date:
-          type: string
-        Site:
-          type: string
-        ScanType:
-          type: string
-        QC_status:
-          type: string
-          enum:
-            - Pass
-            - Fail
-            - 'null'
-        Selected:
-          type: string
-          enum:
-            - 'true'
-            - 'false'
-            - 'null'
-        Link:
-          type: string
-        InsertTime:
-          type: string
-    ProjectInstruments:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/Project_Meta'
-        Instruments:
-          type: object
-    ProjectInstrument:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/ProjectInstrument_Meta'
-    LorisFormElement:
-      type: object
-      properties:
-        Type:
-          type: string
-          enum:
-            - advcheckbox
-            - date
-            - file
-            - group
-            - header
-            - hidden
-            - link
-            - page
-            - password
-            - radio
-            - select
-            - static
-            - submit
-            - text
-            - textarea
-            - time
-        Name:
-          type: string
-        Description:
-          type: string
-        Options:
-          $ref: '#/components/schemas/LorisFormElement_Options'
-        RequireResponse:
-          type: boolean
-    ProjectVisits:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/Project_Meta'
-        Visits:
-          type: array
-          items:
-            type: string
-    ProjectRecordings:
-      type: object
-      properties:
-        Recordings:
-          type: array
-          items:
-            $ref: '#/components/schemas/ProjectRecording'
-    ProjectRecording:
-      type: object
-      properties:
-        Candidate:
-          type: string
-        PSCID:
-          type: string
-        Visit:
-          type: string
-        Visit_date:
-          type: string
-        Site:
-          type: string
-        File:
-          type: string
-        Modality:
-          type: string
-        InsertTime:
-          type: string
-        Link:
-          type: string
-    Candidates:
-      type: object
-      properties:
-        Candidates:
-          $ref: '#/components/schemas/Candidate'
-    Candidate:
-      type: object
-      properties:
-        CandID:
-          type: string
-        Project:
-          type: string
-        PSCID:
-          type: string
-        Site:
-          type: string
-        EDC:
-          type: string
-        DoB:
-          type: string
-        Sex:
-          type: string
-          enum:
-            - Female
-            - Male
-    NewCandidate:
-      type: object
-      properties:
-        Candidate:
-          $ref: '#/components/schemas/NewCandidate_Candidate'
-    VisitMeta:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/VisitMetaFields'
+            type: string
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/VisitPatchFields'
+      responses:
+        '204':
+          description: The visit stage was updated successfully
+components:
+  schemas:
     VisitMetaFields:
       type: object
       properties:
@@ -1897,15 +59,6 @@ components:
           type: string
         Project:
           type: string
-    VisitStages:
-      type: object
-      properties:
-        Stages:
-          type: object
-          anyOf:
-            - $ref: '#/components/schemas/InstrumentScreening'
-            - $ref: '#/components/schemas/InstrumentVisit'
-            - $ref: '#/components/schemas/InstrumentApproval'
     VisitStage:
       type: object
       properties:
@@ -1926,571 +79,23 @@ components:
           properties:
             Stages:
               $ref: '#/components/schemas/InstrumentVisit'
-    InstrumentScreening:
-      type: object
-      properties:
-        Screening:
-          $ref: '#/components/schemas/VisitStage'
+
     InstrumentVisit:
       type: object
       properties:
         Visit:
           $ref: '#/components/schemas/VisitStage'
-    InstrumentApproval:
-      type: object
-      properties:
-        Approval:
-          $ref: '#/components/schemas/VisitStage'
-    TimepointMeta:
-      type: object
-      properties:
-        CandID:
-          type: string
-        Visit:
-          type: string
-    Instrument:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/InstrumentMeta'
-        $InstrumentShortName:
-          $ref: '#/components/schemas/InstrumentData'
-    InstrumentMeta:
-      type: object
-      properties:
-        Instrument:
-          type: string
-        Visit:
-          type: string
-        Candidate:
-          type: string
-        DDE:
-          type: boolean
-    InstrumentData:
-      type: object
-      additionalProperties:
-        type: string
-    InstrumentFlags:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/InstrumentMeta'
-        Flags:
-          $ref: '#/components/schemas/InstrumentFlags_Flags'
-    Images:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/TimepointMeta'
-        Files:
-          type: array
-          items:
-            $ref: '#/components/schemas/Images_Files'
-    ImagingQc:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/TimepointMeta'
-        SessionQC:
-          type: string
-          enum:
-            - Pass
-            - Fail
-        Pending:
-          type: boolean
-    ImageQc:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/ImageMeta'
-        QC:
-          type: string
-          enum:
-            - Pass
-            - Fail
-        Selected:
-          type: boolean
-        Caveats:
-          type: array
-          items:
-            $ref: '#/components/schemas/ImageCaveat'
-    ImageCaveat:
-      type: object
-      properties:
-        Severity:
-          type: string
-        Header:
-          type: string
-        Value:
-          type: string
-        ValidRange:
-          type: string
-        ValidRegex:
-          type: string
-    ImageMeta:
-      type: object
-      properties:
-        CandID:
-          type: string
-        Visit:
-          type: string
-        File:
-          type: string
-    FormatBrainbrowser:
-      type: object
-      properties:
-        xspace:
-          $ref: '#/components/schemas/BrainbrowserSpace'
-        yspace:
-          $ref: '#/components/schemas/BrainbrowserSpace'
-        zspace:
-          $ref: '#/components/schemas/BrainbrowserSpace'
-        order:
-          type: string
-          enum:
-            - xspace
-            - zspace
-            - yspace
-    BrainbrowserSpace:
-      type: object
-      properties:
-        start:
-          type: string
-        space_length:
-          type: string
-        step:
-          type: string
-    ImageSummaryHeaders:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/ImageMeta'
-        Physical:
-          $ref: '#/components/schemas/ImageSummaryHeaders_Physical'
-        Description:
-          $ref: '#/components/schemas/ImageSummaryHeaders_Description'
-        Dimensions:
-          $ref: '#/components/schemas/ImageSummaryHeaders_Dimensions'
-        ScannerInfo:
-          $ref: '#/components/schemas/ImageSummaryHeaders_ScannerInfo'
-    DimensionHeaders:
-      type: object
-      properties:
-        Lenght:
-          type: string
-        StepSize:
-          type: string
-    ImageHeaders:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/ImageMeta'
-        Headers:
-          type: object
-          additionalProperties:
-            type: string
-    Dicoms:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/Dicoms_Meta'
-        DicomTars:
-          type: array
-          items:
-            $ref: '#/components/schemas/DicomTar'
-    DicomTar:
-      type: object
-      properties:
-        Tarname:
-          type: string
-        SeriesInfo:
-          type: array
-          items:
-            $ref: '#/components/schemas/SeriesInfo'
-    SeriesInfo:
-      type: object
-      properties:
-        SeriesDescription:
-          type: string
-        SeriesNumber:
-          type: string
-        EchoTime:
-          type: string
-        RepetitionTime:
-          type: string
-        InversionTime:
-          type: string
-        SliceThickness:
-          type: string
-        Modality:
-          type: string
-          enum:
-            - MR
-            - PT
-        SeriesUID:
-          type: string
-    Recordings:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/TimepointMeta'
-        Files:
-          type: array
-          items:
-            $ref: '#/components/schemas/Recording'
-    Recording:
-      type: object
-      properties:
-        OutputType:
-          type: string
-        Filename:
-          type: string
-        AcquisitionModality:
-          type: string
 
     Error:
-      required:
-        - error
-      type: object
-      properties:
-        error:
-          type: string
-          description: The error message
-    body:
-      required:
-        - password
-        - username
-      type: object
-      properties:
-        username:
-          type: string
-        password:
-          type: string
-    inline_response_200:
-      type: object
-      properties:
-        token:
-          type: string
-    inline_response_200_1:
-      type: object
-      properties:
-        Projects:
-          type: object
-    inline_response_200_2:
-      type: object
-      properties:
-        Candidate:
-          $ref: '#/components/schemas/Candidate'
-        Visits:
-          type: array
-          items:
-            type: string
-    inline_response_200_3:
-      allOf:
-        - $ref: '#/components/schemas/VisitMeta'
-        - $ref: '#/components/schemas/VisitStages'
-    inline_response_409:
       type: object
       properties:
         error:
           type: string
-    inline_response_200_4:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/TimepointMeta'
-        Instruments:
-          type: array
-          items:
-            type: string
-    inline_response_200_5:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/inline_response_200_5_Meta'
-        Value:
-          type: string
- 
-    Project_Meta:
-      type: object
-      properties:
-        Project:
-          type: string
-    ProjectInstrument_Meta:
-      type: object
-      properties:
-        InstrumentVersion:
-          type: string
-        InstrumentFormatVersion:
-          type: string
-        ShortName:
-          type: string
-        LongName:
-          type: string
-        IncludeMetaDataFields:
-          type: string
-        Elements:
-          type: array
-          items:
-            $ref: '#/components/schemas/LorisFormElement'
-    LorisFormElement_Options:
-      type: object
-      properties:
-        Values:
-          type: object
-          additionalProperties:
-            type: string
-    NewCandidate_Candidate:
-      type: object
-      properties:
-        Project:
-          type: string
-        PSCID:
-          type: string
-        Site:
-          type: string
-        EDC:
-          type: string
-        DoB:
-          type: string
-        Sex:
-          type: string
-          enum:
-            - Female
-            - Male
-    InstrumentFlags_Flags:
-      type: object
-      properties:
-        Data_entry:
-          type: string
-          enum:
-            - In Progress
-            - Complete
-        Administration:
-          type: string
-          enum:
-            - None
-            - Partial
-            - All
-        Validity:
-          type: string
-          enum:
-            - Questionable
-            - Invalid
-            - Valid
-    Images_Files:
-      type: object
-      properties:
-        OutputType:
-          type: string
-        Filename:
-          type: string
-        AcquisitionType:
-          type: string
-    ImageSummaryHeaders_Physical:
-      type: object
-      properties:
-        TE:
-          type: string
-        TR:
-          type: string
-        TI:
-          type: string
-        SliceThickness:
-          type: string
-    ImageSummaryHeaders_Description:
-      type: object
-      properties:
-        SeriesName:
-          type: string
-        SeriesDescription:
-          type: string
-    ImageSummaryHeaders_Dimensions:
-      type: object
-      properties:
-        XSpace:
-          $ref: '#/components/schemas/DimensionHeaders'
-        YSpace:
-          $ref: '#/components/schemas/DimensionHeaders'
-        ZSpace:
-          $ref: '#/components/schemas/DimensionHeaders'
-        TimeDimension:
-          $ref: '#/components/schemas/DimensionHeaders'
-    ImageSummaryHeaders_ScannerInfo:
-      type: object
-      properties:
-        Manufacturer:
-          type: string
-        Model:
-          type: string
-        SoftwareVersion:
-          type: string
-        SerialNumber:
-          type: string
-        FieldStrength:
-          type: string
-    Dicoms_Meta:
-      type: object
-      properties:
-        CandID:
-          type: string
-        Visit:
-          type: string
-    inline_response_200_5_Meta:
-      type: object
-      properties:
-        CandID:
-          type: string
-        Visit:
-          type: string
-        File:
-          type: string
-        Header:
-          type: string
-    RecordingMeta:
-      type: object
-      properties:
-        CandID:
-          type: string
-        Visit:
-          type: string
-        File:
-          type: string
-    RecordingMetadata:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/RecordingMeta'
-        Data:
-          type: object
-          additionalProperties:
-            type: string
-    RecordingMetadataSpecific:
-      type: object
-      properties:
-        Meta:
-          type: object
-          properties:
-            CandID:
-              type: string
-            Visit:
-              type: string
-            Filename:
-              type: string
-            Header:
-              type: string
-        Value:
-          type: string
-    RecordingChannels:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/RecordingMeta'
-        Channels:
-          $ref: '#/components/schemas/RecordingChannel'
-
-    RecordingChannel:
-      type: object
-      properties:
-        ChannelName:
-          type: string
-        ChannelDescription:
-          type: string
-        ChannelType:
-          type: string
-        ChannelTypeDescription:
-          type: string
-        ChannelStatus:
-          type: string
-        StatusDescription:
-          type: string
-        SamplingFrequency:
-          type: number
-        LowCutoff:
-          type: string
-        HighCutoff:
-          type: string
-        ManualFlag:
-          type: string
-        Notch:
-          type: string
-        Reference:
-          type: string
-        Unit:
-          type: string
-        ChannelFilePath:
-          type: string
 
-    RecordingElectrodes:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/RecordingMeta'
-        Electrodes:
-          type: array
-          items:
-            $ref: '#/components/schemas/RecordingElectrode'
-            
-    RecordingElectrode:
-      type: object
-      properties:
-        ElectrodeName:
-          type: string
-        ElectrodeType:
-          type: string
-        ElectrodeMaterial:
-          type: string
-        X:
-          type: string
-        Y:
-          type: string
-        Z:
-          type: string
-        Impedance:
-          type: string
-        ElectrodeFilePath:
-          type: string
-          
-    RecordingEvents:
-      type: object
-      properties:
-        Meta:
-          $ref: '#/components/schemas/RecordingMeta'
-        TaskEvents:
-          type: array
-          items:
-            $ref: '#/components/schemas/RecordingTaskEvent'
-            
-    RecordingTaskEvent:
-      type: object
-      properties:
-        Onset:
-          type: string
-        Duration:
-          type: number
-        EventCode:
-          type: string
-        EventSample:
-          type: string
-        EventType:
-          type: string
-        TrialType:
-          type: string
-        ResponseTime:
-          type: string
-        EventFilePath:
-          type: string
-        
-  responses:
-    InternalServerError:
-      description: 500 Internal server error
-      content:
-        application/json:
-          schema:
-            $ref: '#/components/schemas/Error'
   securitySchemes:
     ApiKeyAuth:
       type: apiKey
       name: Authorization
       in: header
 
+
diff --git a/src/Http/Response/JSON/NoContent.php b/src/Http/Response/JSON/NoContent.php
new file mode 100644
index 00000000000..540d0c0c8b6
--- /dev/null
+++ b/src/Http/Response/JSON/NoContent.php
@@ -0,0 +1,40 @@
+<?php declare(strict_types=1);
+/**
+ * File contains the PSR15 ResponseInterface implementation for
+ * No Content responses.
+ *
+ * PHP Version 7
+ *
+ * @category PSR15
+ * @package  Http
+ * @author   Xavier Lecours Boucher <xavier.lecours@mcin.ca>
+ * @license  http://www.gnu.org/licenses/gpl-3.0.txt GPLv3
+ * @link     https://www.github.com/aces/Loris/
+ *
+ * @see https://www.php-fig.org/psr/psr-7/
+ * @see https://www.php-fig.org/psr/psr-15/
+ */
+namespace LORIS\Http\Response\JSON;
+
+use \LORIS\Http\Response\JsonResponse;
+
+/**
+ * A LORIS Http Response is an implementation of the PSR15 ResponseInterface
+ * to use in LORIS specific for 204 No Content.
+ *
+ * @category PSR15
+ * @package  Http
+ * @author   Xavier Lecours Boucher <xavier.lecours@mcin.ca>
+ * @license  http://www.gnu.org/licenses/gpl-3.0.txt GPLv3
+ * @link     https://www.github.com/aces/Loris/
+ */
+class NoContent extends JsonResponse
+{
+    /**
+     * Create a Json response specific to 204 No Content
+     */
+    public function __construct()
+    {
+        parent::__construct('', 204);
+    }
+}