diff --git a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_details/middleware.ts b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_details/middleware.ts
index a00ce255cbac4..2581ab37f5677 100644
--- a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_details/middleware.ts
+++ b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_details/middleware.ts
@@ -8,7 +8,7 @@ import {
   MiddlewareFactory,
   PolicyData,
   PolicyDetailsState,
-  UpdateDatasourceResponse,
+  UpdatePolicyResponse,
 } from '../../types';
 import { policyIdFromParams, isOnPolicyDetailsPage, policyDetails } from './selectors';
 import { generatePolicy } from '../../models/policy';
@@ -77,7 +77,7 @@ export const policyDetailsMiddlewareFactory: MiddlewareFactory<PolicyDetailsStat
     } else if (action.type === 'userClickedPolicyDetailsSaveButton') {
       const { id, revision, ...updatedPolicyItem } = policyDetails(state) as PolicyData;
 
-      let apiResponse: UpdateDatasourceResponse;
+      let apiResponse: UpdatePolicyResponse;
       try {
         apiResponse = await sendPutDatasource(http, id, updatedPolicyItem);
       } catch (error) {
diff --git a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/middleware.ts b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/middleware.ts
index c073d26a676f0..cc771a4619e78 100644
--- a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/middleware.ts
+++ b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/middleware.ts
@@ -4,7 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { MiddlewareFactory, PolicyListState, GetDatasourcesResponse } from '../../types';
+import { GetPolicyListResponse, MiddlewareFactory, PolicyListState } from '../../types';
 import { sendGetEndpointSpecificDatasources } from './services/ingest';
 import { isOnPolicyListPage, urlSearchParams } from './selectors';
 
@@ -18,7 +18,7 @@ export const policyListMiddlewareFactory: MiddlewareFactory<PolicyListState> = c
 
     if (action.type === 'userChangedUrl' && isOnPolicyListPage(state)) {
       const { page_index: pageIndex, page_size: pageSize } = urlSearchParams(state);
-      let response: GetDatasourcesResponse;
+      let response: GetPolicyListResponse;
 
       try {
         response = await sendGetEndpointSpecificDatasources(http, {
diff --git a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/services/ingest.ts b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/services/ingest.ts
index bfbb5f94e8950..5fccb01d1ad35 100644
--- a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/services/ingest.ts
+++ b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/services/ingest.ts
@@ -11,9 +11,9 @@ import {
 } from '../../../../../../../ingest_manager/common';
 import {
   NewPolicyData,
-  GetDatasourcesResponse,
-  GetDatasourceResponse,
-  UpdateDatasourceResponse,
+  GetPolicyListResponse,
+  GetPolicyResponse,
+  UpdatePolicyResponse,
 } from '../../../types';
 
 const INGEST_API_ROOT = `/api/ingest_manager`;
@@ -30,8 +30,8 @@ const INGEST_API_FLEET_AGENT_STATUS = `${INGEST_API_FLEET}/agent-status`;
 export const sendGetEndpointSpecificDatasources = (
   http: HttpStart,
   options: HttpFetchOptions & Partial<GetDatasourcesRequest> = {}
-): Promise<GetDatasourcesResponse> => {
-  return http.get<GetDatasourcesResponse>(INGEST_API_DATASOURCES, {
+): Promise<GetPolicyListResponse> => {
+  return http.get<GetPolicyListResponse>(INGEST_API_DATASOURCES, {
     ...options,
     query: {
       ...options.query,
@@ -53,7 +53,7 @@ export const sendGetDatasource = (
   datasourceId: string,
   options?: HttpFetchOptions
 ) => {
-  return http.get<GetDatasourceResponse>(`${INGEST_API_DATASOURCES}/${datasourceId}`, options);
+  return http.get<GetPolicyResponse>(`${INGEST_API_DATASOURCES}/${datasourceId}`, options);
 };
 
 /**
@@ -69,7 +69,7 @@ export const sendPutDatasource = (
   datasourceId: string,
   datasource: NewPolicyData,
   options: Exclude<HttpFetchOptions, 'body'> = {}
-): Promise<UpdateDatasourceResponse> => {
+): Promise<UpdatePolicyResponse> => {
   return http.put(`${INGEST_API_DATASOURCES}/${datasourceId}`, {
     ...options,
     body: JSON.stringify(datasource),
diff --git a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/test_mock_utils.ts b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/test_mock_utils.ts
index 0d41ae0d76da4..20d5a637182d2 100644
--- a/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/test_mock_utils.ts
+++ b/x-pack/plugins/endpoint/public/applications/endpoint/store/policy_list/test_mock_utils.ts
@@ -8,7 +8,7 @@ import { HttpStart } from 'kibana/public';
 import { Dispatch } from 'redux';
 import { INGEST_API_DATASOURCES } from './services/ingest';
 import { EndpointDocGenerator } from '../../../../../common/generate_data';
-import { AppAction, GetDatasourcesResponse, GlobalState, MiddlewareFactory } from '../../types';
+import { AppAction, GetPolicyListResponse, GlobalState, MiddlewareFactory } from '../../types';
 
 const generator = new EndpointDocGenerator('policy-list');
 
@@ -19,13 +19,13 @@ const generator = new EndpointDocGenerator('policy-list');
  */
 export const setPolicyListApiMockImplementation = (
   mockedHttpService: jest.Mocked<HttpStart>,
-  responseItems: GetDatasourcesResponse['items'] = [generator.generatePolicyDatasource()]
+  responseItems: GetPolicyListResponse['items'] = [generator.generatePolicyDatasource()]
 ): void => {
   mockedHttpService.get.mockImplementation((...args) => {
     const [path] = args;
     if (typeof path === 'string') {
       if (path === INGEST_API_DATASOURCES) {
-        return Promise.resolve<GetDatasourcesResponse>({
+        return Promise.resolve<GetPolicyListResponse>({
           items: responseItems,
           total: 10,
           page: 1,
diff --git a/x-pack/plugins/endpoint/public/applications/endpoint/types.ts b/x-pack/plugins/endpoint/public/applications/endpoint/types.ts
index 54afbf220944e..015468f84e740 100644
--- a/x-pack/plugins/endpoint/public/applications/endpoint/types.ts
+++ b/x-pack/plugins/endpoint/public/applications/endpoint/types.ts
@@ -17,11 +17,14 @@ import {
 import { EndpointPluginStartDependencies } from '../../plugin';
 import { AppAction } from './store/action';
 import { CoreStart } from '../../../../../../src/core/public';
-import { Datasource, NewDatasource } from '../../../../ingest_manager/common/types/models';
 import {
+  Datasource,
+  NewDatasource,
   GetAgentStatusResponse,
-  CreateDatasourceResponse,
-} from '../../../../ingest_manager/common/types/rest_spec';
+  GetDatasourcesResponse,
+  GetOneDatasourceResponse,
+  UpdateDatasourceResponse,
+} from '../../../../ingest_manager/common';
 
 export { AppAction };
 export type MiddlewareFactory<S = GlobalState> = (
@@ -335,24 +338,14 @@ export interface AlertingIndexUIQueryParams {
   filters?: string;
 }
 
-export interface GetDatasourcesResponse {
+export interface GetPolicyListResponse extends GetDatasourcesResponse {
   items: PolicyData[];
-  total: number;
-  page: number;
-  perPage: number;
-  success: boolean;
 }
 
-export interface GetDatasourceResponse {
+export interface GetPolicyResponse extends GetOneDatasourceResponse {
   item: PolicyData;
-  success: boolean;
 }
 
-export type UpdateDatasourceResponse = CreateDatasourceResponse & {
+export interface UpdatePolicyResponse extends UpdateDatasourceResponse {
   item: PolicyData;
-};
-
-/**
- * The PageId type is used for the payload when firing userNavigatedToPage actions
- */
-export type PageId = 'alertsPage' | 'managementPage' | 'policyListPage';
+}
diff --git a/x-pack/plugins/ingest_manager/common/types/rest_spec/datasource.ts b/x-pack/plugins/ingest_manager/common/types/rest_spec/datasource.ts
index 66f734b904cfc..61f1f15d49259 100644
--- a/x-pack/plugins/ingest_manager/common/types/rest_spec/datasource.ts
+++ b/x-pack/plugins/ingest_manager/common/types/rest_spec/datasource.ts
@@ -13,17 +13,22 @@ export interface GetDatasourcesRequest {
   };
 }
 
+export interface GetDatasourcesResponse {
+  items: Datasource[];
+  total: number;
+  page: number;
+  perPage: number;
+  success: boolean;
+}
+
 export interface GetOneDatasourceRequest {
   params: {
     datasourceId: string;
   };
 }
 
-export interface GetDatasourcesResponse {
-  items: Datasource[];
-  total: number;
-  page: number;
-  perPage: number;
+export interface GetOneDatasourceResponse {
+  item: Datasource;
   success: boolean;
 }
 
@@ -40,6 +45,8 @@ export type UpdateDatasourceRequest = GetOneDatasourceRequest & {
   body: NewDatasource;
 };
 
+export type UpdateDatasourceResponse = CreateDatasourceResponse;
+
 export interface DeleteDatasourcesRequest {
   body: {
     datasourceIds: string[];