diff --git a/_data/toc.yml b/_data/toc.yml
index 85576d1580..3c89290efa 100644
--- a/_data/toc.yml
+++ b/_data/toc.yml
@@ -343,6 +343,7 @@
         - getAvatar
         - getPresence
         - get-preferences
+        - getUsernameSuggestion
         - info
         - list
         - register
diff --git a/contributing/documentation/documentation-map/README.md b/contributing/documentation/documentation-map/README.md
index d80312ba83..5e762d7c0c 100644
--- a/contributing/documentation/documentation-map/README.md
+++ b/contributing/documentation/documentation-map/README.md
@@ -383,6 +383,7 @@ Here you can also find what articles are incomplete and missing.
             - getAvatar
             - getPresence
             - getPreferences
+            - getUsernameSuggestion
             - info
             - list
             - register
diff --git a/developer-guides/rest-api/README.md b/developer-guides/rest-api/README.md
index ac1bc24336..0add20ebd3 100644
--- a/developer-guides/rest-api/README.md
+++ b/developer-guides/rest-api/README.md
@@ -39,23 +39,24 @@ When calling a production Rocket.Chat server, ensure it is running via HTTPS and
 
 ### Users
 
-| Url                                 | Short Description                                               | Details Page                        |
-| :---------------------------------- | :-------------------------------------------------------------- | :---------------------------------- |
-| `/api/v1/users.create`              | Create a new user.                                              | [Link](users/create/)               |
-| `/api/v1/users.createToken`         | Create a user authentication token.                             | [Link](users/createtoken/)          |
-| `/api/v1/users.delete`              | Deletes an existing user.                                       | [Link](users/delete/)               |
-| `/api/v1/users.forgotPassword`      | Send email to reset your password.                              | [Link](users/forgotpassword/)       |
-| `/api/v1/users.getAvatar`           | Gets the URL for a user's avatar.                               | [Link](users/getavatar/)            |
-| `/api/v1/users.getPresence`         | Gets the online presence of a user.                             | [Link](users/getpresence/)          |
-| `/api/v1/users.info`                | Gets a user's information, limited to the caller's permissions. | [Link](users/info/)                 |
-| `/api/v1/users.list`                | All of the users and their information, limited to permissions. | [Link](users/list/)                 |
-| `/api/v1/users.register`            | Register a new user.                                            | [Link](users/register/)             |
-| `/api/v1/users.resetAvatar`         | Reset a user's avatar                                           | [Link](users/resetavatar/)          |
-| `/api/v1/users.setAvatar`           | Set a user's avatar                                             | [Link](users/setavatar/)            |
-| `/api/v1/users.update`              | Update an existing user.                                        | [Link](users/update/)               |
-| `/api/v1/users.updateOwnBasicInfo`  | Update basic information of own user.                           | [Link](users/updateownbasicinfo/)   |
-| `/api/v1/users.getPreferences`      | Gets all preferences of user.                                   | [Link](users/get-preferences/)      |
-| `/api/v1/users.setPreferences`      | Set user's preferences                                          | [Link](users/set-preferences/)      |
+| Url                                   | Short Description                                               | Details Page                         |
+| :------------------------------------ | :-------------------------------------------------------------- | :----------------------------------- |
+| `/api/v1/users.create`                | Create a new user.                                              | [Link](users/create/)                |
+| `/api/v1/users.createToken`           | Create a user authentication token.                             | [Link](users/createtoken/)           |
+| `/api/v1/users.delete`                | Deletes an existing user.                                       | [Link](users/delete/)                |
+| `/api/v1/users.forgotPassword`        | Send email to reset your password.                              | [Link](users/forgotpassword/)        |
+| `/api/v1/users.getAvatar`             | Gets the URL for a user's avatar.                               | [Link](users/getavatar/)             |
+| `/api/v1/users.getPreferences`        | Gets all preferences of user.                                   | [Link](users/get-preferences/)       |
+| `/api/v1/users.getPresence`           | Gets the online presence of a user.                             | [Link](users/getpresence/)           |
+| `/api/v1/users.getUsernameSuggestion` | Gets a suggestion a new username to user.                       | [Link](users/getusernamesuggestion/) |
+| `/api/v1/users.info`                  | Gets a user's information, limited to the caller's permissions. | [Link](users/info/)                  |
+| `/api/v1/users.list`                  | All of the users and their information, limited to permissions. | [Link](users/list/)                  |
+| `/api/v1/users.register`              | Register a new user.                                            | [Link](users/register/)              |
+| `/api/v1/users.resetAvatar`           | Reset a user's avatar                                           | [Link](users/resetavatar/)           |
+| `/api/v1/users.setAvatar`             | Set a user's avatar                                             | [Link](users/setavatar/)             |
+| `/api/v1/users.setPreferences`        | Set user's preferences                                          | [Link](users/set-preferences/)       |
+| `/api/v1/users.update`                | Update an existing user.                                        | [Link](users/update/)                |
+| `/api/v1/users.updateOwnBasicInfo`    | Update basic information of own user.                           | [Link](users/updateownbasicinfo/)    |
 
 ### Channels
 
diff --git a/developer-guides/rest-api/users/README.md b/developer-guides/rest-api/users/README.md
index a2777d9b54..e226fd0a86 100644
--- a/developer-guides/rest-api/users/README.md
+++ b/developer-guides/rest-api/users/README.md
@@ -8,6 +8,7 @@
 | `/api/v1/users.forgotPassword`  | Send email to reset your password. | [Link](forgotpassword/) |
 | `/api/v1/users.getAvatar` | Gets the URL for a user's avatar. | [Link](getavatar/) |
 | `/api/v1/users.getPresence` | Gets the online presence of a user. | [Link](getpresence/) |
+| `/api/v1/users.getUsernameSuggestion` | Gets a suggestion a new username to user. | [Link](getusernamesuggestion/) |
 | `/api/v1/users.info` | Gets a user's information, limited to the caller's permissions. | [Link](info/) |
 | `/api/v1/users.list` | All of the users and their information, limited to permissions. | [Link](list/) |
 | `/api/v1/users.register` | Register a new user. | [Link](register/) |
diff --git a/developer-guides/rest-api/users/getusernamesuggestion/README.md b/developer-guides/rest-api/users/getusernamesuggestion/README.md
new file mode 100644
index 0000000000..cb12e5bc32
--- /dev/null
+++ b/developer-guides/rest-api/users/getusernamesuggestion/README.md
@@ -0,0 +1,30 @@
+# User Get Username Suggestion
+
+Gets a suggestion a new username to user.
+
+| URL | Requires Auth | HTTP Method |
+| :--- | :--- | :--- |
+| `/api/v1/users.getUsernameSuggestion` | `yes` | `GET` |
+
+## Other Users Example Call
+
+```bash
+curl -H "X-Auth-Token: 9HqLlyZOugoStsXCUfD_0YdwnNnunAJF8V47U3QHXSq" \
+     -H "X-User-Id: aobEdbYhXfu5hkeqG" \
+     http://localhost:3000/api/v1/users.getUsernameSuggestion
+```
+
+## Example Result
+
+```json
+{
+  "result": "rocket.cat",
+  "success": true
+}
+```
+
+## Change Log
+
+| Version | Description |
+| :--- | :--- |
+| 0.65.0 | Added |