diff --git a/x-pack/plugins/cases/common/api/cases/case.ts b/x-pack/plugins/cases/common/api/cases/case.ts
index 4eaf633fb98c7c..17319a71732e18 100644
--- a/x-pack/plugins/cases/common/api/cases/case.ts
+++ b/x-pack/plugins/cases/common/api/cases/case.ts
@@ -249,7 +249,7 @@ export const CasesByAlertIDRequestRt = rt.partial({
   owner: rt.union([rt.array(rt.string), rt.string]),
 });
 
-export const CaseResponseRt = rt.intersection([
+export const CaseRt = rt.intersection([
   CaseAttributesRt,
   rt.type({
     id: rt.string,
@@ -264,7 +264,7 @@ export const CaseResponseRt = rt.intersection([
 
 export const CaseResolveResponseRt = rt.intersection([
   rt.type({
-    case: CaseResponseRt,
+    case: CaseRt,
     outcome: rt.union([rt.literal('exactMatch'), rt.literal('aliasMatch'), rt.literal('conflict')]),
   }),
   rt.partial({
@@ -275,7 +275,7 @@ export const CaseResolveResponseRt = rt.intersection([
 
 export const CasesFindResponseRt = rt.intersection([
   rt.type({
-    cases: rt.array(CaseResponseRt),
+    cases: rt.array(CaseRt),
     page: rt.number,
     per_page: rt.number,
     total: rt.number,
@@ -292,7 +292,7 @@ export const CasePatchRequestRt = rt.intersection([
 ]);
 
 export const CasesPatchRequestRt = rt.type({ cases: rt.array(CasePatchRequestRt) });
-export const CasesResponseRt = rt.array(CaseResponseRt);
+export const CasesRt = rt.array(CaseRt);
 
 export const CasePushRequestParamsRt = rt.type({
   case_id: rt.string,
@@ -339,7 +339,7 @@ export const CasesBulkGetRequestRt = rt.intersection([
 ]);
 
 export const CasesBulkGetResponseRt = rt.type({
-  cases: CasesResponseRt,
+  cases: CasesRt,
   errors: rt.array(
     rt.type({
       error: rt.string,
@@ -353,9 +353,9 @@ export const CasesBulkGetResponseRt = rt.type({
 export type CaseAttributes = rt.TypeOf<typeof CaseAttributesRt>;
 
 export type CasePostRequest = rt.TypeOf<typeof CasePostRequestRt>;
-export type CaseResponse = rt.TypeOf<typeof CaseResponseRt>;
+export type Case = rt.TypeOf<typeof CaseRt>;
 export type CaseResolveResponse = rt.TypeOf<typeof CaseResolveResponseRt>;
-export type CasesResponse = rt.TypeOf<typeof CasesResponseRt>;
+export type Cases = rt.TypeOf<typeof CasesRt>;
 export type CasesFindRequest = rt.TypeOf<typeof CasesFindRequestRt>;
 export type CasesByAlertIDRequest = rt.TypeOf<typeof CasesByAlertIDRequestRt>;
 export type CasesFindResponse = rt.TypeOf<typeof CasesFindResponseRt>;
@@ -375,13 +375,15 @@ export type CasesByAlertId = rt.TypeOf<typeof CasesByAlertIdRt>;
 
 export type CasesBulkGetRequest = rt.TypeOf<typeof CasesBulkGetRequestRt>;
 export type CasesBulkGetResponse = rt.TypeOf<typeof CasesBulkGetResponseRt>;
-export type CasesBulkGetRequestCertainFields<
-  Field extends keyof CaseResponse = keyof CaseResponse
-> = Omit<CasesBulkGetRequest, 'fields'> & {
+export type CasesBulkGetRequestCertainFields<Field extends keyof Case = keyof Case> = Omit<
+  CasesBulkGetRequest,
+  'fields'
+> & {
   fields?: Field[];
 };
-export type CasesBulkGetResponseCertainFields<
-  Field extends keyof CaseResponse = keyof CaseResponse
-> = Omit<CasesBulkGetResponse, 'cases'> & {
-  cases: Array<Pick<CaseResponse, Field | 'id' | 'version' | 'owner'>>;
+export type CasesBulkGetResponseCertainFields<Field extends keyof Case = keyof Case> = Omit<
+  CasesBulkGetResponse,
+  'cases'
+> & {
+  cases: Array<Pick<Case, Field | 'id' | 'version' | 'owner'>>;
 };
diff --git a/x-pack/plugins/cases/common/index.ts b/x-pack/plugins/cases/common/index.ts
index d41de5543654d5..16ccaaf5602fac 100644
--- a/x-pack/plugins/cases/common/index.ts
+++ b/x-pack/plugins/cases/common/index.ts
@@ -38,7 +38,7 @@ export {
 } from './api';
 
 export type {
-  CaseResponse,
+  Case,
   CasesBulkGetRequestCertainFields,
   CasesBulkGetResponseCertainFields,
 } from './api';
diff --git a/x-pack/plugins/cases/common/ui/types.ts b/x-pack/plugins/cases/common/ui/types.ts
index e9bfcd0682f5b9..c7808e3c0a1adf 100644
--- a/x-pack/plugins/cases/common/ui/types.ts
+++ b/x-pack/plugins/cases/common/ui/types.ts
@@ -20,7 +20,7 @@ import type {
   CaseUserActionResponse,
   SingleCaseMetricsResponse,
   CommentResponse,
-  CaseResponse,
+  Case,
   UserActionFindResponse,
   FindTypeField as UserActionFindTypeField,
   CommentResponseAlertsType,
@@ -92,7 +92,7 @@ export type FindCaseUserActions = Omit<SnakeToCamelCase<UserActionFindResponse>,
   userActions: CaseUserActions[];
 };
 export type CaseUserActionsStats = SnakeToCamelCase<CaseUserActionStatsResponse>;
-export type Case = Omit<SnakeToCamelCase<CaseResponse>, 'comments'> & { comments: Comment[] };
+export type Case = Omit<SnakeToCamelCase<Case>, 'comments'> & { comments: Comment[] };
 export type Cases = Omit<SnakeToCamelCase<CasesFindResponse>, 'cases'> & { cases: Case[] };
 export type CasesStatus = SnakeToCamelCase<CasesStatusResponse>;
 export type CasesMetrics = SnakeToCamelCase<CasesMetricsResponse>;
diff --git a/x-pack/plugins/cases/public/api/decoders.ts b/x-pack/plugins/cases/public/api/decoders.ts
index 6402b2d56a3421..121595ccb04148 100644
--- a/x-pack/plugins/cases/public/api/decoders.ts
+++ b/x-pack/plugins/cases/public/api/decoders.ts
@@ -16,12 +16,12 @@ import type {
   CasesStatusResponse,
   CasesMetricsResponse,
   CasesBulkGetResponseCertainFields,
-  CaseResponse,
+  Case,
 } from '../../common/api';
 import {
   CasesFindResponseRt,
   CasesStatusResponseRt,
-  CasesResponseRt,
+  CasesRt,
   getTypeForCertainFieldsFromArray,
   CasesMetricsResponseRt,
 } from '../../common/api';
@@ -41,11 +41,11 @@ export const decodeCasesMetricsResponse = (metrics?: CasesMetricsResponse) =>
     fold(throwErrors(createToasterPlainError), identity)
   );
 
-export const decodeCasesBulkGetResponse = <Field extends keyof CaseResponse = keyof CaseResponse>(
+export const decodeCasesBulkGetResponse = <Field extends keyof Case = keyof Case>(
   res: CasesBulkGetResponseCertainFields<Field>,
   fields?: string[]
 ) => {
-  const typeToDecode = getTypeForCertainFieldsFromArray(CasesResponseRt, fields);
+  const typeToDecode = getTypeForCertainFieldsFromArray(CasesRt, fields);
   pipe(typeToDecode.decode(res.cases), fold(throwErrors(createToasterPlainError), identity));
 
   return res;
diff --git a/x-pack/plugins/cases/public/api/index.ts b/x-pack/plugins/cases/public/api/index.ts
index c89b1ff94f9e9c..0e4e93370f3884 100644
--- a/x-pack/plugins/cases/public/api/index.ts
+++ b/x-pack/plugins/cases/public/api/index.ts
@@ -14,7 +14,7 @@ import {
   INTERNAL_BULK_GET_CASES_URL,
 } from '../../common/constants';
 import type {
-  CaseResponse,
+  Case,
   CasesBulkGetRequestCertainFields,
   CasesBulkGetResponseCertainFields,
   CasesFindRequest,
@@ -68,7 +68,7 @@ export const getCasesMetrics = async ({
   return convertToCamelCase(decodeCasesMetricsResponse(res));
 };
 
-export const bulkGetCases = async <Field extends keyof CaseResponse = keyof CaseResponse>({
+export const bulkGetCases = async <Field extends keyof Case = keyof Case>({
   http,
   signal,
   params,
diff --git a/x-pack/plugins/cases/public/api/utils.ts b/x-pack/plugins/cases/public/api/utils.ts
index f7ce3bf0817d2e..9437581ece8b31 100644
--- a/x-pack/plugins/cases/public/api/utils.ts
+++ b/x-pack/plugins/cases/public/api/utils.ts
@@ -13,12 +13,12 @@ import {
 } from '../../common/utils/attachments';
 import type {
   CasesFindResponse,
-  CaseResponse,
+  Case,
   CaseUserActionsResponse,
   CommentRequest,
   CommentResponse,
   CaseResolveResponse,
-  CasesResponse,
+  Cases,
 } from '../../common/api';
 import { isCommentUserAction } from '../../common/utils/user_actions';
 import type { Cases, Case, Comment, ResolvedCase } from '../containers/types';
@@ -46,16 +46,15 @@ export const convertToCamelCase = <T, U extends {}>(obj: T): U =>
     return acc;
   }, {} as U);
 
-export const convertCaseToCamelCase = (theCase: CaseResponse): Case => {
+export const convertCaseToCamelCase = (theCase: Case): Case => {
   const { comments, ...restCase } = theCase;
   return {
-    ...convertToCamelCase<CaseResponse, Case>(restCase),
+    ...convertToCamelCase<Case, Case>(restCase),
     ...(comments != null ? { comments: convertAttachmentsToCamelCase(comments) } : {}),
   };
 };
 
-export const convertCasesToCamelCase = (cases: CasesResponse): Case[] =>
-  cases.map(convertCaseToCamelCase);
+export const convertCasesToCamelCase = (cases: Cases): Case[] => cases.map(convertCaseToCamelCase);
 
 export const convertCaseResolveToCamelCase = (res: CaseResolveResponse): ResolvedCase => {
   const { case: theCase, ...rest } = res;
diff --git a/x-pack/plugins/cases/public/containers/api.ts b/x-pack/plugins/cases/public/containers/api.ts
index a45bfa3752c914..485162e814c5cf 100644
--- a/x-pack/plugins/cases/public/containers/api.ts
+++ b/x-pack/plugins/cases/public/containers/api.ts
@@ -23,9 +23,9 @@ import type {
   BulkCreateCommentRequest,
   CasePatchRequest,
   CasePostRequest,
-  CaseResponse,
+  Case,
   CaseResolveResponse,
-  CasesResponse,
+  Cases,
   UserActionFindResponse,
   CommentRequest,
   User,
@@ -92,7 +92,7 @@ export const getCase = async (
   includeComments: boolean = true,
   signal: AbortSignal
 ): Promise<Case> => {
-  const response = await KibanaServices.get().http.fetch<CaseResponse>(getCaseDetailsUrl(caseId), {
+  const response = await KibanaServices.get().http.fetch<Case>(getCaseDetailsUrl(caseId), {
     method: 'GET',
     query: {
       includeComments,
@@ -246,7 +246,7 @@ export const getCases = async ({
 };
 
 export const postCase = async (newCase: CasePostRequest, signal: AbortSignal): Promise<Case> => {
-  const response = await KibanaServices.get().http.fetch<CaseResponse>(CASES_URL, {
+  const response = await KibanaServices.get().http.fetch<Case>(CASES_URL, {
     method: 'POST',
     body: JSON.stringify(newCase),
     signal,
@@ -263,7 +263,7 @@ export const patchCase = async (
   version: string,
   signal: AbortSignal
 ): Promise<Case[]> => {
-  const response = await KibanaServices.get().http.fetch<CasesResponse>(CASES_URL, {
+  const response = await KibanaServices.get().http.fetch<Cases>(CASES_URL, {
     method: 'PATCH',
     body: JSON.stringify({ cases: [{ ...updatedCase, id: caseId, version }] }),
     signal,
@@ -279,7 +279,7 @@ export const updateCases = async (
     return [];
   }
 
-  const response = await KibanaServices.get().http.fetch<CasesResponse>(CASES_URL, {
+  const response = await KibanaServices.get().http.fetch<Cases>(CASES_URL, {
     method: 'PATCH',
     body: JSON.stringify({ cases }),
     signal,
@@ -293,14 +293,11 @@ export const postComment = async (
   caseId: string,
   signal: AbortSignal
 ): Promise<Case> => {
-  const response = await KibanaServices.get().http.fetch<CaseResponse>(
-    `${CASES_URL}/${caseId}/comments`,
-    {
-      method: 'POST',
-      body: JSON.stringify(newComment),
-      signal,
-    }
-  );
+  const response = await KibanaServices.get().http.fetch<Case>(`${CASES_URL}/${caseId}/comments`, {
+    method: 'POST',
+    body: JSON.stringify(newComment),
+    signal,
+  });
   return convertCaseToCamelCase(decodeCaseResponse(response));
 };
 
@@ -319,7 +316,7 @@ export const patchComment = async ({
   signal: AbortSignal;
   owner: string;
 }): Promise<Case> => {
-  const response = await KibanaServices.get().http.fetch<CaseResponse>(getCaseCommentsUrl(caseId), {
+  const response = await KibanaServices.get().http.fetch<Case>(getCaseCommentsUrl(caseId), {
     method: 'PATCH',
     body: JSON.stringify({
       comment: commentUpdate,
@@ -342,7 +339,7 @@ export const deleteComment = async ({
   commentId: string;
   signal: AbortSignal;
 }): Promise<void> => {
-  await KibanaServices.get().http.fetch<CaseResponse>(getCaseCommentDeleteUrl(caseId, commentId), {
+  await KibanaServices.get().http.fetch<Case>(getCaseCommentDeleteUrl(caseId, commentId), {
     method: 'DELETE',
     signal,
   });
@@ -362,7 +359,7 @@ export const pushCase = async (
   connectorId: string,
   signal: AbortSignal
 ): Promise<Case> => {
-  const response = await KibanaServices.get().http.fetch<CaseResponse>(
+  const response = await KibanaServices.get().http.fetch<Case>(
     getCasePushUrl(caseId, connectorId),
     {
       method: 'POST',
@@ -391,7 +388,7 @@ export const createAttachments = async (
   caseId: string,
   signal: AbortSignal
 ): Promise<Case> => {
-  const response = await KibanaServices.get().http.fetch<CaseResponse>(
+  const response = await KibanaServices.get().http.fetch<Case>(
     INTERNAL_BULK_CREATE_ATTACHMENTS_URL.replace('{case_id}', caseId),
     {
       method: 'POST',
diff --git a/x-pack/plugins/cases/public/containers/mock.ts b/x-pack/plugins/cases/public/containers/mock.ts
index a4192513d7becd..aec5fa0df488e6 100644
--- a/x-pack/plugins/cases/public/containers/mock.ts
+++ b/x-pack/plugins/cases/public/containers/mock.ts
@@ -22,9 +22,9 @@ import type {
 } from '../../common/ui/types';
 import type {
   CaseConnector,
-  CaseResponse,
+  Case,
   CasesFindResponse,
-  CasesResponse,
+  Cases,
   CasesStatusResponse,
   CaseUserActionResponse,
   CaseUserActionsResponse,
@@ -515,7 +515,7 @@ export const persistableStateAttachmentSnake: CommentResponse = {
   version: 'WzQ3LDFc',
 };
 
-export const basicCaseSnake: CaseResponse = {
+export const basicCaseSnake: Case = {
   ...basicCase,
   status: CaseStatuses.open,
   closed_at: null,
@@ -529,7 +529,7 @@ export const basicCaseSnake: CaseResponse = {
   updated_at: basicUpdatedAt,
   updated_by: elasticUserSnake,
   owner: SECURITY_SOLUTION_OWNER,
-} as CaseResponse;
+} as Case;
 
 export const caseWithAlertsSnake = {
   ...basicCaseSnake,
@@ -583,7 +583,7 @@ export const pushedCaseSnake = {
   external_service: { ...basicPushSnake, connector_id: pushConnectorId },
 };
 
-export const casesSnake: CasesResponse = [
+export const casesSnake: Cases = [
   basicCaseSnake,
   {
     ...pushedCaseSnake,
diff --git a/x-pack/plugins/cases/public/containers/utils.ts b/x-pack/plugins/cases/public/containers/utils.ts
index 733e5bd08de7a2..8e5cfdaa5bdd1c 100644
--- a/x-pack/plugins/cases/public/containers/utils.ts
+++ b/x-pack/plugins/cases/public/containers/utils.ts
@@ -13,8 +13,8 @@ import { pipe } from 'fp-ts/lib/pipeable';
 import type { ToastInputFields } from '@kbn/core/public';
 import { NO_ASSIGNEES_FILTERING_KEYWORD } from '../../common/constants';
 import type {
-  CaseResponse,
-  CasesResponse,
+  Case,
+  Cases,
   CasesConfigurationsResponse,
   CasesConfigureResponse,
   CaseUserActionsResponse,
@@ -25,8 +25,8 @@ import type {
   CaseUserActionStatsResponse,
 } from '../../common/api';
 import {
-  CaseResponseRt,
-  CasesResponseRt,
+  CaseRt,
+  CasesRt,
   throwErrors,
   CaseConfigurationsResponseRt,
   CaseConfigureResponseRt,
@@ -49,8 +49,8 @@ export const covertToSnakeCase = (obj: Record<string, unknown>) =>
 
 export const createToasterPlainError = (message: string) => new ToasterError([message]);
 
-export const decodeCaseResponse = (respCase?: CaseResponse) =>
-  pipe(CaseResponseRt.decode(respCase), fold(throwErrors(createToasterPlainError), identity));
+export const decodeCaseResponse = (respCase?: Case) =>
+  pipe(CaseRt.decode(respCase), fold(throwErrors(createToasterPlainError), identity));
 
 export const decodeCaseResolveResponse = (respCase?: CaseResolveResponse) =>
   pipe(
@@ -64,8 +64,8 @@ export const decodeSingleCaseMetricsResponse = (respCase?: SingleCaseMetricsResp
     fold(throwErrors(createToasterPlainError), identity)
   );
 
-export const decodeCasesResponse = (respCase?: CasesResponse) =>
-  pipe(CasesResponseRt.decode(respCase), fold(throwErrors(createToasterPlainError), identity));
+export const decodeCasesResponse = (respCase?: Cases) =>
+  pipe(CasesRt.decode(respCase), fold(throwErrors(createToasterPlainError), identity));
 
 export const decodeCaseConfigurationsResponse = (respCase?: CasesConfigurationsResponse) => {
   return pipe(
diff --git a/x-pack/plugins/cases/public/types.ts b/x-pack/plugins/cases/public/types.ts
index 6b88c79abb6a30..d06b9edce9d884 100644
--- a/x-pack/plugins/cases/public/types.ts
+++ b/x-pack/plugins/cases/public/types.ts
@@ -25,7 +25,7 @@ import type { LicensingPluginStart } from '@kbn/licensing-plugin/public';
 import type { FilesSetup, FilesStart } from '@kbn/files-plugin/public';
 import type { SavedObjectsManagementPluginStart } from '@kbn/saved-objects-management-plugin/public';
 import type {
-  CaseResponse,
+  Case,
   CasesBulkGetRequestCertainFields,
   CasesBulkGetResponseCertainFields,
   CasesByAlertId,
@@ -106,7 +106,7 @@ export interface CasesUiStart {
       find: (query: CasesFindRequest, signal?: AbortSignal) => Promise<Cases>;
       getCasesStatus: (query: CasesStatusRequest, signal?: AbortSignal) => Promise<CasesStatus>;
       getCasesMetrics: (query: CasesMetricsRequest, signal?: AbortSignal) => Promise<CasesMetrics>;
-      bulkGet: <Field extends keyof CaseResponse = keyof CaseResponse>(
+      bulkGet: <Field extends keyof Case = keyof Case>(
         params: CasesBulkGetRequestCertainFields<Field>,
         signal?: AbortSignal
       ) => Promise<CasesBulkGetResponseCertainFields<Field>>;
diff --git a/x-pack/plugins/cases/server/client/attachments/add.ts b/x-pack/plugins/cases/server/client/attachments/add.ts
index 920adca9dc1bf7..ae4d4aab68e1dd 100644
--- a/x-pack/plugins/cases/server/client/attachments/add.ts
+++ b/x-pack/plugins/cases/server/client/attachments/add.ts
@@ -12,7 +12,7 @@ import { identity } from 'fp-ts/lib/function';
 
 import { SavedObjectsUtils } from '@kbn/core/server';
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { CommentRequestRt, throwErrors } from '../../../common/api';
 
 import { CaseCommentModel } from '../../common/models';
@@ -29,10 +29,7 @@ import { validateRegisteredAttachments } from './validators';
  *
  * @ignore
  */
-export const addComment = async (
-  addArgs: AddArgs,
-  clientArgs: CasesClientArgs
-): Promise<CaseResponse> => {
+export const addComment = async (addArgs: AddArgs, clientArgs: CasesClientArgs): Promise<Case> => {
   const { comment, caseId } = addArgs;
   const query = pipe(
     CommentRequestRt.decode(comment),
diff --git a/x-pack/plugins/cases/server/client/attachments/bulk_create.ts b/x-pack/plugins/cases/server/client/attachments/bulk_create.ts
index 1213f9a373b7c5..e989410a7a3898 100644
--- a/x-pack/plugins/cases/server/client/attachments/bulk_create.ts
+++ b/x-pack/plugins/cases/server/client/attachments/bulk_create.ts
@@ -12,7 +12,7 @@ import { identity } from 'fp-ts/lib/function';
 
 import { SavedObjectsUtils } from '@kbn/core/server';
 
-import type { CaseResponse, CommentRequest } from '../../../common/api';
+import type { Case, CommentRequest } from '../../../common/api';
 import { BulkCreateCommentRequestRt, throwErrors } from '../../../common/api';
 
 import { CaseCommentModel } from '../../common/models';
@@ -33,7 +33,7 @@ import { validateRegisteredAttachments } from './validators';
 export const bulkCreate = async (
   args: BulkCreateArgs,
   clientArgs: CasesClientArgs
-): Promise<CaseResponse> => {
+): Promise<Case> => {
   const { attachments, caseId } = args;
 
   pipe(
diff --git a/x-pack/plugins/cases/server/client/attachments/client.ts b/x-pack/plugins/cases/server/client/attachments/client.ts
index 5b204a21929c22..e4244b32d1e7da 100644
--- a/x-pack/plugins/cases/server/client/attachments/client.ts
+++ b/x-pack/plugins/cases/server/client/attachments/client.ts
@@ -9,7 +9,7 @@ import type {
   AlertResponse,
   AllCommentsResponse,
   BulkGetAttachmentsResponse,
-  CaseResponse,
+  Case,
   CommentResponse,
   CommentsResponse,
 } from '../../../common/api';
@@ -45,8 +45,8 @@ export interface AttachmentsSubClient {
   /**
    * Adds an attachment to a case.
    */
-  add(params: AddArgs): Promise<CaseResponse>;
-  bulkCreate(params: BulkCreateArgs): Promise<CaseResponse>;
+  add(params: AddArgs): Promise<Case>;
+  bulkCreate(params: BulkCreateArgs): Promise<Case>;
   bulkGet(params: BulkGetArgs): Promise<BulkGetAttachmentsResponse>;
   /**
    * Deletes all attachments associated with a single case.
@@ -78,7 +78,7 @@ export interface AttachmentsSubClient {
    *
    * The request must include all fields for the attachment. Even the fields that are not changing.
    */
-  update(updateArgs: UpdateArgs): Promise<CaseResponse>;
+  update(updateArgs: UpdateArgs): Promise<Case>;
 }
 
 /**
diff --git a/x-pack/plugins/cases/server/client/attachments/update.ts b/x-pack/plugins/cases/server/client/attachments/update.ts
index 692e2f6b152041..213d4a86ea242a 100644
--- a/x-pack/plugins/cases/server/client/attachments/update.ts
+++ b/x-pack/plugins/cases/server/client/attachments/update.ts
@@ -10,7 +10,7 @@ import Boom from '@hapi/boom';
 import { CaseCommentModel } from '../../common/models';
 import { createCaseError } from '../../common/error';
 import { isCommentRequestTypeExternalReference } from '../../../common/utils/attachments';
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { CASE_SAVED_OBJECT } from '../../../common/constants';
 import type { CasesClientArgs } from '..';
 import { decodeCommentRequest } from '../utils';
@@ -25,7 +25,7 @@ import type { UpdateArgs } from './types';
 export async function update(
   { caseID, updateRequest: queryParams }: UpdateArgs,
   clientArgs: CasesClientArgs
-): Promise<CaseResponse> {
+): Promise<Case> {
   const {
     services: { attachmentService },
     logger,
diff --git a/x-pack/plugins/cases/server/client/cases/bulk_get.test.ts b/x-pack/plugins/cases/server/client/cases/bulk_get.test.ts
index 8628fa64056ad5..fd68bd7e8d36de 100644
--- a/x-pack/plugins/cases/server/client/cases/bulk_get.test.ts
+++ b/x-pack/plugins/cases/server/client/cases/bulk_get.test.ts
@@ -5,8 +5,8 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../common/api';
-import { getTypeProps, CaseResponseRt } from '../../../common/api';
+import type { Case } from '../../../common/api';
+import { getTypeProps, CaseRt } from '../../../common/api';
 import { mockCases } from '../../mocks';
 import { createCasesClientMockArgs } from '../mocks';
 import { bulkGet } from './bulk_get';
@@ -39,8 +39,8 @@ describe('bulkGet', () => {
       unauthorized: [],
     });
 
-    const typeProps = getTypeProps(CaseResponseRt) ?? {};
-    const validFields = Object.keys(typeProps) as Array<keyof CaseResponse>;
+    const typeProps = getTypeProps(CaseRt) ?? {};
+    const validFields = Object.keys(typeProps) as Array<keyof Case>;
 
     beforeEach(() => {
       jest.clearAllMocks();
diff --git a/x-pack/plugins/cases/server/client/cases/bulk_get.ts b/x-pack/plugins/cases/server/client/cases/bulk_get.ts
index 85952b84bef916..69597f0e77b4c6 100644
--- a/x-pack/plugins/cases/server/client/cases/bulk_get.ts
+++ b/x-pack/plugins/cases/server/client/cases/bulk_get.ts
@@ -16,16 +16,16 @@ import type {
   CasesBulkGetResponse,
   CasesBulkGetResponseCertainFields,
   CasesBulkGetRequestCertainFields,
-  CaseResponse,
+  Case,
   CaseAttributes,
 } from '../../../common/api';
 import {
   CasesBulkGetRequestRt,
-  CasesResponseRt,
+  CasesRt,
   excess,
   throwErrors,
   getTypeForCertainFieldsFromArray,
-  CaseResponseRt,
+  CaseRt,
 } from '../../../common/api';
 import { getTypeProps } from '../../../common/api/runtime_types';
 import { createCaseError } from '../../common/error';
@@ -40,7 +40,7 @@ type CaseSavedObjectWithErrors = SOWithErrors<CaseAttributes>;
 /**
  * Retrieves multiple cases by ids.
  */
-export const bulkGet = async <Field extends keyof CaseResponse = keyof CaseResponse>(
+export const bulkGet = async <Field extends keyof Case = keyof Case>(
   params: CasesBulkGetRequestCertainFields<Field>,
   clientArgs: CasesClientArgs
 ): Promise<CasesBulkGetResponseCertainFields<Field>> => {
@@ -103,7 +103,7 @@ export const bulkGet = async <Field extends keyof CaseResponse = keyof CaseRespo
       return pick(flattenedCase, [...fields, 'id', 'version']);
     });
 
-    const typeToEncode = getTypeForCertainFieldsFromArray(CasesResponseRt, fields);
+    const typeToEncode = getTypeForCertainFieldsFromArray(CasesRt, fields);
     const casesToReturn = typeToEncode.encode(flattenedCases);
 
     const errors = constructErrors(soBulkGetErrors, unauthorizedCases);
@@ -124,7 +124,7 @@ const throwErrorIfFieldsAreInvalid = (fields?: string[]) => {
     return;
   }
 
-  const typeProps = getTypeProps(CaseResponseRt) ?? {};
+  const typeProps = getTypeProps(CaseRt) ?? {};
   const validFields = Object.keys(typeProps);
 
   for (const field of fields) {
diff --git a/x-pack/plugins/cases/server/client/cases/client.ts b/x-pack/plugins/cases/server/client/cases/client.ts
index bf3253fda6558f..a014eeec56a6cd 100644
--- a/x-pack/plugins/cases/server/client/cases/client.ts
+++ b/x-pack/plugins/cases/server/client/cases/client.ts
@@ -13,7 +13,7 @@ import type {
   AllTagsFindRequest,
   AllReportersFindRequest,
   CasesByAlertId,
-  CaseResponse,
+  Case,
   CasesBulkGetRequestCertainFields,
   CasesBulkGetResponseCertainFields,
 } from '../../../common/api';
@@ -65,7 +65,7 @@ export interface CasesSubClient {
   /**
    * Retrieves multiple cases with the specified IDs.
    */
-  bulkGet<Field extends keyof CaseResponse = keyof CaseResponse>(
+  bulkGet<Field extends keyof Case = keyof Case>(
     params: CasesBulkGetRequestCertainFields<Field>
   ): Promise<CasesBulkGetResponseCertainFields<Field>>;
   /**
diff --git a/x-pack/plugins/cases/server/client/cases/create.ts b/x-pack/plugins/cases/server/client/cases/create.ts
index a8f9975fee39ff..1d1a687ee9998c 100644
--- a/x-pack/plugins/cases/server/client/cases/create.ts
+++ b/x-pack/plugins/cases/server/client/cases/create.ts
@@ -12,10 +12,10 @@ import { identity } from 'fp-ts/lib/function';
 
 import { SavedObjectsUtils } from '@kbn/core/server';
 
-import type { CaseResponse, CasePostRequest } from '../../../common/api';
+import type { Case, CasePostRequest } from '../../../common/api';
 import {
   throwErrors,
-  CaseResponseRt,
+  CaseRt,
   ActionTypes,
   CasePostRequestRt,
   excess,
@@ -35,10 +35,7 @@ import { LICENSING_CASE_ASSIGNMENT_FEATURE } from '../../common/constants';
  *
  * @ignore
  */
-export const create = async (
-  data: CasePostRequest,
-  clientArgs: CasesClientArgs
-): Promise<CaseResponse> => {
+export const create = async (data: CasePostRequest, clientArgs: CasesClientArgs): Promise<Case> => {
   const {
     services: { caseService, userActionService, licensingService, notificationService },
     user,
@@ -129,7 +126,7 @@ export const create = async (
       });
     }
 
-    return CaseResponseRt.encode(flattenedCase);
+    return CaseRt.encode(flattenedCase);
   } catch (error) {
     throw createCaseError({ message: `Failed to create case: ${error}`, error, logger });
   }
diff --git a/x-pack/plugins/cases/server/client/cases/find.test.ts b/x-pack/plugins/cases/server/client/cases/find.test.ts
index f23ad82df1fcff..bb0701647d8af1 100644
--- a/x-pack/plugins/cases/server/client/cases/find.test.ts
+++ b/x-pack/plugins/cases/server/client/cases/find.test.ts
@@ -6,7 +6,7 @@
  */
 import { v1 as uuidv1 } from 'uuid';
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 
 import { flattenCaseSavedObject } from '../../common/utils';
 import { mockCases } from '../../mocks';
@@ -16,7 +16,7 @@ import { find } from './find';
 describe('find', () => {
   describe('constructSearch', () => {
     const clientArgs = createCasesClientMockArgs();
-    const casesMap = new Map<string, CaseResponse>(
+    const casesMap = new Map<string, Case>(
       mockCases.map((obj) => {
         return [obj.id, flattenCaseSavedObject({ savedObject: obj, totalComment: 2 })];
       })
diff --git a/x-pack/plugins/cases/server/client/cases/get.ts b/x-pack/plugins/cases/server/client/cases/get.ts
index 669efc96c960c0..4773d67cdf3105 100644
--- a/x-pack/plugins/cases/server/client/cases/get.ts
+++ b/x-pack/plugins/cases/server/client/cases/get.ts
@@ -11,7 +11,7 @@ import { identity } from 'fp-ts/lib/function';
 
 import type { SavedObjectsResolveResponse } from '@kbn/core/server';
 import type {
-  CaseResponse,
+  Case,
   CaseResolveResponse,
   User,
   AllTagsFindRequest,
@@ -22,7 +22,7 @@ import type {
   AttachmentTotals,
 } from '../../../common/api';
 import {
-  CaseResponseRt,
+  CaseRt,
   CaseResolveResponseRt,
   AllTagsFindRequestRt,
   excess,
@@ -173,7 +173,7 @@ export interface GetParams {
 export const get = async (
   { id, includeComments }: GetParams,
   clientArgs: CasesClientArgs
-): Promise<CaseResponse> => {
+): Promise<Case> => {
   const {
     services: { caseService },
     logger,
@@ -191,7 +191,7 @@ export const get = async (
     });
 
     if (!includeComments) {
-      return CaseResponseRt.encode(
+      return CaseRt.encode(
         flattenCaseSavedObject({
           savedObject: theCase,
         })
@@ -206,7 +206,7 @@ export const get = async (
       },
     });
 
-    return CaseResponseRt.encode(
+    return CaseRt.encode(
       flattenCaseSavedObject({
         savedObject: theCase,
         comments: theComments.saved_objects,
diff --git a/x-pack/plugins/cases/server/client/cases/push.ts b/x-pack/plugins/cases/server/client/cases/push.ts
index 4f3ab74557278f..da30764c45e4b2 100644
--- a/x-pack/plugins/cases/server/client/cases/push.ts
+++ b/x-pack/plugins/cases/server/client/cases/push.ts
@@ -14,19 +14,13 @@ import type { SecurityPluginStart } from '@kbn/security-plugin/server';
 import { asSavedObjectExecutionSource } from '@kbn/actions-plugin/server';
 import type {
   ActionConnector,
-  CaseResponse,
+  Case,
   ExternalServiceResponse,
   CasesConfigureAttributes,
   CommentRequestAlertType,
   CommentAttributes,
 } from '../../../common/api';
-import {
-  CaseResponseRt,
-  CaseStatuses,
-  ActionTypes,
-  OWNER_FIELD,
-  CommentType,
-} from '../../../common/api';
+import { CaseRt, CaseStatuses, ActionTypes, OWNER_FIELD, CommentType } from '../../../common/api';
 import { CASE_COMMENT_SAVED_OBJECT, CASE_SAVED_OBJECT } from '../../../common/constants';
 
 import { createIncident, getDurationInSeconds, getUserProfiles } from './utils';
@@ -103,7 +97,7 @@ export const push = async (
   clientArgs: CasesClientArgs,
   casesClient: CasesClient,
   casesClientInternal: CasesClientInternal
-): Promise<CaseResponse> => {
+): Promise<Case> => {
   const {
     unsecuredSavedObjectsClient,
     services: {
@@ -282,7 +276,7 @@ export const push = async (
 
     /* End of update case with push information */
 
-    return CaseResponseRt.encode(
+    return CaseRt.encode(
       flattenCaseSavedObject({
         savedObject: {
           ...myCase,
diff --git a/x-pack/plugins/cases/server/client/cases/update.ts b/x-pack/plugins/cases/server/client/cases/update.ts
index f1f13c6ed362a9..dffc562d0415e8 100644
--- a/x-pack/plugins/cases/server/client/cases/update.ts
+++ b/x-pack/plugins/cases/server/client/cases/update.ts
@@ -25,15 +25,15 @@ import type {
   CaseAssignees,
   CaseAttributes,
   CasePatchRequest,
-  CaseResponse,
+  Case,
   CasesPatchRequest,
-  CasesResponse,
+  Cases,
   CommentAttributes,
   User,
 } from '../../../common/api';
 import {
   CasesPatchRequestRt,
-  CasesResponseRt,
+  CasesRt,
   CaseStatuses,
   CommentType,
   excess,
@@ -303,7 +303,7 @@ interface UpdateRequestWithOriginalCase {
 export const update = async (
   cases: CasesPatchRequest,
   clientArgs: CasesClientArgs
-): Promise<CasesResponse> => {
+): Promise<Cases> => {
   const {
     services: {
       caseService,
@@ -442,7 +442,7 @@ export const update = async (
           savedObject: mergeOriginalSOWithUpdatedSO(originalCase, updatedCase),
         }),
       ];
-    }, [] as CaseResponse[]);
+    }, [] as Case[]);
 
     await userActionService.creator.bulkCreateUpdateCase({
       originalCases: myCases.saved_objects,
@@ -458,7 +458,7 @@ export const update = async (
 
     await notificationService.bulkNotifyAssignees(casesAndAssigneesToNotifyForAssignment);
 
-    return CasesResponseRt.encode(returnUpdatedCase);
+    return CasesRt.encode(returnUpdatedCase);
   } catch (error) {
     const idVersions = cases.cases.map((caseInfo) => ({
       id: caseInfo.id,
diff --git a/x-pack/plugins/cases/server/client/cases/utils.ts b/x-pack/plugins/cases/server/client/cases/utils.ts
index 1288c2ecc48d7a..ecf5aaf4414479 100644
--- a/x-pack/plugins/cases/server/client/cases/utils.ts
+++ b/x-pack/plugins/cases/server/client/cases/utils.ts
@@ -15,7 +15,7 @@ import { isPushedUserAction } from '../../../common/utils/user_actions';
 import type {
   ActionConnector,
   CaseFullExternalService,
-  CaseResponse,
+  Case,
   CommentResponse,
   User,
   CaseAttributes,
@@ -34,7 +34,7 @@ import { getCaseViewPath } from '../../common/utils';
 import * as i18n from './translations';
 
 interface CreateIncidentArgs {
-  theCase: CaseResponse;
+  theCase: Case;
   userActions: CaseUserActionsDeprecatedResponse;
   connector: ActionConnector;
   alerts: CasesClientGetAlertsResponse;
@@ -106,7 +106,7 @@ interface CountAlertsInfo {
 }
 
 const getAlertsInfo = (
-  comments: CaseResponse['comments']
+  comments: Case['comments']
 ): { totalAlerts: number; hasUnpushedAlertComments: boolean } => {
   const countingInfo = { totalComments: 0, pushed: 0, totalAlerts: 0 };
 
@@ -129,7 +129,7 @@ const getAlertsInfo = (
 };
 
 const addAlertMessage = (params: {
-  theCase: CaseResponse;
+  theCase: Case;
   externalServiceComments: ExternalServiceComment[];
   spaceId: string;
   publicBaseUrl?: IBasePath['publicBaseUrl'];
@@ -238,7 +238,7 @@ export const formatComments = ({
   userProfiles,
   publicBaseUrl,
 }: {
-  theCase: CaseResponse;
+  theCase: Case;
   latestPushInfo: LatestPushInfo;
   userActions: CaseUserActionsDeprecatedResponse;
   spaceId: string;
@@ -275,7 +275,7 @@ export const formatComments = ({
 };
 
 export const addKibanaInformationToDescription = (
-  theCase: CaseResponse,
+  theCase: Case,
   spaceId: string,
   userProfiles?: Map<string, UserProfile>,
   publicBaseUrl?: IBasePath['publicBaseUrl']
@@ -307,7 +307,7 @@ export const addKibanaInformationToDescription = (
 };
 
 const addKibanaInformationToComments = (
-  comments: CaseResponse['comments'] = [],
+  comments: Case['comments'] = [],
   userProfiles?: Map<string, UserProfile>
 ): ExternalServiceComment[] =>
   comments.map((theComment) => {
@@ -328,7 +328,7 @@ const addKibanaInformationToComments = (
   });
 
 export const getEntity = (
-  entity: { createdBy: CaseResponse['created_by']; updatedBy: CaseResponse['updated_by'] },
+  entity: { createdBy: Case['created_by']; updatedBy: Case['updated_by'] },
   userProfiles?: Map<string, UserProfile>
 ): string => {
   return (
diff --git a/x-pack/plugins/cases/server/client/metrics/actions/actions.test.ts b/x-pack/plugins/cases/server/client/metrics/actions/actions.test.ts
index e8211662c18207..56c81a9a41d597 100644
--- a/x-pack/plugins/cases/server/client/metrics/actions/actions.test.ts
+++ b/x-pack/plugins/cases/server/client/metrics/actions/actions.test.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../../common/api';
+import type { Case } from '../../../../common/api';
 import { createCasesClientMock } from '../../mocks';
 import type { CasesClientArgs } from '../../types';
 import { loggingSystemMock } from '@kbn/core/server/mocks';
@@ -30,7 +30,7 @@ const constructorOptions = { caseId: 'test-id', casesClient: clientMock, clientA
 describe('Actions', () => {
   beforeAll(() => {
     getAuthorizationFilter.mockResolvedValue({});
-    clientMock.cases.get.mockResolvedValue({ id: '' } as unknown as CaseResponse);
+    clientMock.cases.get.mockResolvedValue({ id: '' } as unknown as Case);
   });
 
   beforeEach(() => {
diff --git a/x-pack/plugins/cases/server/client/metrics/alerts/count.test.ts b/x-pack/plugins/cases/server/client/metrics/alerts/count.test.ts
index 15209b16081940..9fa308f93049ee 100644
--- a/x-pack/plugins/cases/server/client/metrics/alerts/count.test.ts
+++ b/x-pack/plugins/cases/server/client/metrics/alerts/count.test.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../../common/api';
+import type { Case } from '../../../../common/api';
 import { createCasesClientMock } from '../../mocks';
 import type { CasesClientArgs } from '../../types';
 import { loggingSystemMock } from '@kbn/core/server/mocks';
@@ -32,7 +32,7 @@ const constructorOptions = { caseId: 'test-id', casesClient: clientMock, clientA
 describe('AlertsCount', () => {
   beforeAll(() => {
     getAuthorizationFilter.mockResolvedValue({});
-    clientMock.cases.get.mockResolvedValue({ id: 'test-id' } as unknown as CaseResponse);
+    clientMock.cases.get.mockResolvedValue({ id: 'test-id' } as unknown as Case);
   });
 
   beforeEach(() => {
diff --git a/x-pack/plugins/cases/server/client/metrics/all_cases/mttr.test.ts b/x-pack/plugins/cases/server/client/metrics/all_cases/mttr.test.ts
index a13346d2ecfab4..bff57ce82a176b 100644
--- a/x-pack/plugins/cases/server/client/metrics/all_cases/mttr.test.ts
+++ b/x-pack/plugins/cases/server/client/metrics/all_cases/mttr.test.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../../common/api';
+import type { Case } from '../../../../common/api';
 import { createCasesClientMock } from '../../mocks';
 import type { CasesClientArgs } from '../../types';
 import { loggingSystemMock } from '@kbn/core/server/mocks';
@@ -32,7 +32,7 @@ const constructorOptions = { casesClient: clientMock, clientArgs };
 describe('MTTR', () => {
   beforeAll(() => {
     getAuthorizationFilter.mockResolvedValue({});
-    clientMock.cases.get.mockResolvedValue({ id: '' } as unknown as CaseResponse);
+    clientMock.cases.get.mockResolvedValue({ id: '' } as unknown as Case);
   });
 
   beforeEach(() => {
diff --git a/x-pack/plugins/cases/server/client/metrics/get_case_metrics.test.ts b/x-pack/plugins/cases/server/client/metrics/get_case_metrics.test.ts
index 1fabee2893e069..8b089bd21d9391 100644
--- a/x-pack/plugins/cases/server/client/metrics/get_case_metrics.test.ts
+++ b/x-pack/plugins/cases/server/client/metrics/get_case_metrics.test.ts
@@ -8,7 +8,7 @@
 import { loggingSystemMock, savedObjectsClientMock } from '@kbn/core/server/mocks';
 
 import { getCaseMetrics } from './get_case_metrics';
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { CaseStatuses } from '../../../common/api';
 import type { CasesClientMock } from '../mocks';
 import { createCasesClientMock } from '../mocks';
@@ -164,7 +164,7 @@ function createMockClient() {
     return {
       created_at: '2021-11-23T19:59:43Z',
       closed_at: '2021-11-23T19:59:44Z',
-    } as unknown as CaseResponse;
+    } as unknown as Case;
   });
 
   client.attachments.getAllAlertsAttachToCase.mockImplementation(async () => {
diff --git a/x-pack/plugins/cases/server/client/typedoc_interfaces.ts b/x-pack/plugins/cases/server/client/typedoc_interfaces.ts
index 7234efdf5d3559..f67a1eff4631e5 100644
--- a/x-pack/plugins/cases/server/client/typedoc_interfaces.ts
+++ b/x-pack/plugins/cases/server/client/typedoc_interfaces.ts
@@ -17,14 +17,14 @@ import type {
   AllCommentsResponse,
   CasePostRequest,
   CaseResolveResponse,
-  CaseResponse,
+  Case,
   CasesConfigurePatch,
   CasesConfigureRequest,
   CasesConfigureResponse,
   CasesFindRequest,
   CasesFindResponse,
   CasesPatchRequest,
-  CasesResponse,
+  Cases,
   CaseUserActionsResponse,
   CommentsResponse,
   CasesBulkGetResponse,
@@ -38,9 +38,9 @@ import type {
 export interface ICasePostRequest extends CasePostRequest {}
 export interface ICasesFindRequest extends CasesFindRequest {}
 export interface ICasesPatchRequest extends CasesPatchRequest {}
-export interface ICaseResponse extends CaseResponse {}
+export interface ICaseResponse extends Case {}
 export interface ICaseResolveResponse extends CaseResolveResponse {}
-export interface ICasesResponse extends CasesResponse {}
+export interface ICasesResponse extends Cases {}
 export interface ICasesFindResponse extends CasesFindResponse {}
 export interface ICasesBulkGetResponse extends CasesBulkGetResponse {}
 
diff --git a/x-pack/plugins/cases/server/common/models/case_with_comments.ts b/x-pack/plugins/cases/server/common/models/case_with_comments.ts
index 2febbd22da77f3..d6fff56b0162f0 100644
--- a/x-pack/plugins/cases/server/common/models/case_with_comments.ts
+++ b/x-pack/plugins/cases/server/common/models/case_with_comments.ts
@@ -13,20 +13,14 @@ import type {
   SavedObjectsUpdateResponse,
 } from '@kbn/core/server';
 import type {
-  CaseResponse,
+  Case,
   CommentAttributes,
   CommentPatchRequest,
   CommentRequest,
   CommentRequestUserType,
   CommentRequestAlertType,
 } from '../../../common/api';
-import {
-  CaseResponseRt,
-  CaseStatuses,
-  CommentType,
-  ActionTypes,
-  Actions,
-} from '../../../common/api';
+import { CaseRt, CaseStatuses, CommentType, ActionTypes, Actions } from '../../../common/api';
 import { CASE_SAVED_OBJECT, MAX_DOCS_PER_PAGE } from '../../../common/constants';
 import type { CasesClientArgs } from '../../client';
 import type { RefreshSetting } from '../../services/types';
@@ -434,7 +428,7 @@ export class CaseCommentModel {
     };
   }
 
-  public async encodeWithComments(): Promise<CaseResponse> {
+  public async encodeWithComments(): Promise<Case> {
     try {
       const comments = await this.params.services.caseService.getAllCaseComments({
         id: this.caseInfo.id,
@@ -453,7 +447,7 @@ export class CaseCommentModel {
         ...this.formatForEncoding(comments.total),
       };
 
-      return CaseResponseRt.encode(caseResponse);
+      return CaseRt.encode(caseResponse);
     } catch (error) {
       throw createCaseError({
         message: `Failed encoding the commentable case, case id: ${this.caseInfo.id}: ${error}`,
diff --git a/x-pack/plugins/cases/server/common/utils.test.ts b/x-pack/plugins/cases/server/common/utils.test.ts
index 684fe426d7dc5c..c2ef8281a5887a 100644
--- a/x-pack/plugins/cases/server/common/utils.test.ts
+++ b/x-pack/plugins/cases/server/common/utils.test.ts
@@ -10,7 +10,7 @@ import { makeLensEmbeddableFactory } from '@kbn/lens-plugin/server/embeddable/ma
 import { OWNER_INFO, SECURITY_SOLUTION_OWNER } from '../../common/constants';
 import type {
   CaseConnector,
-  CaseResponse,
+  Case,
   CommentAttributes,
   CommentRequest,
   CommentRequestUserType,
@@ -256,7 +256,7 @@ describe('common utils', () => {
 
   describe('transformCases', () => {
     it('transforms correctly', () => {
-      const casesMap = new Map<string, CaseResponse>(
+      const casesMap = new Map<string, Case>(
         mockCases.map((obj) => {
           return [obj.id, flattenCaseSavedObject({ savedObject: obj, totalComment: 2 })];
         })
diff --git a/x-pack/plugins/cases/server/common/utils.ts b/x-pack/plugins/cases/server/common/utils.ts
index 083c412ace340e..e51ea67a9df1ee 100644
--- a/x-pack/plugins/cases/server/common/utils.ts
+++ b/x-pack/plugins/cases/server/common/utils.ts
@@ -29,7 +29,7 @@ import type { AlertInfo, FileAttachmentRequest } from './types';
 import type {
   CaseAttributes,
   CasePostRequest,
-  CaseResponse,
+  Case,
   CasesFindResponse,
   CommentAttributes,
   CommentRequest,
@@ -98,7 +98,7 @@ export const transformCases = ({
   perPage,
   total,
 }: {
-  casesMap: Map<string, CaseResponse>;
+  casesMap: Map<string, Case>;
   countOpenCases: number;
   countInProgressCases: number;
   countClosedCases: number;
@@ -125,7 +125,7 @@ export const flattenCaseSavedObject = ({
   comments?: Array<SavedObject<CommentAttributes>>;
   totalComment?: number;
   totalAlerts?: number;
-}): CaseResponse => ({
+}): Case => ({
   id: savedObject.id,
   version: savedObject.version ?? '0',
   comments: flattenCommentSavedObjects(comments),
diff --git a/x-pack/plugins/cases/server/connectors/jira/format.test.ts b/x-pack/plugins/cases/server/connectors/jira/format.test.ts
index 7ddabdf5e2ff13..acca9c7886ec21 100644
--- a/x-pack/plugins/cases/server/connectors/jira/format.test.ts
+++ b/x-pack/plugins/cases/server/connectors/jira/format.test.ts
@@ -5,14 +5,14 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { format } from './format';
 
 describe('Jira formatter', () => {
   const theCase = {
     tags: ['tag'],
     connector: { fields: { priority: 'High', issueType: 'Task', parent: null } },
-  } as CaseResponse;
+  } as Case;
 
   it('it formats correctly', async () => {
     const res = await format(theCase, []);
@@ -20,7 +20,7 @@ describe('Jira formatter', () => {
   });
 
   it('it formats correctly when fields do not exist ', async () => {
-    const invalidFields = { tags: ['tag'], connector: { fields: null } } as CaseResponse;
+    const invalidFields = { tags: ['tag'], connector: { fields: null } } as Case;
     const res = await format(invalidFields, []);
     expect(res).toEqual({ priority: null, issueType: null, parent: null, labels: theCase.tags });
   });
diff --git a/x-pack/plugins/cases/server/connectors/resilient/format.test.ts b/x-pack/plugins/cases/server/connectors/resilient/format.test.ts
index cd850bd28fe378..29ab88e09c388a 100644
--- a/x-pack/plugins/cases/server/connectors/resilient/format.test.ts
+++ b/x-pack/plugins/cases/server/connectors/resilient/format.test.ts
@@ -5,13 +5,13 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { format } from './format';
 
 describe('IBM Resilient formatter', () => {
   const theCase = {
     connector: { fields: { incidentTypes: ['2'], severityCode: '2' } },
-  } as CaseResponse;
+  } as Case;
 
   it('it formats correctly', async () => {
     const res = await format(theCase, []);
@@ -19,7 +19,7 @@ describe('IBM Resilient formatter', () => {
   });
 
   it('it formats correctly when fields do not exist ', async () => {
-    const invalidFields = { tags: ['a tag'], connector: { fields: null } } as CaseResponse;
+    const invalidFields = { tags: ['a tag'], connector: { fields: null } } as Case;
     const res = await format(invalidFields, []);
     expect(res).toEqual({ incidentTypes: null, severityCode: null });
   });
diff --git a/x-pack/plugins/cases/server/connectors/servicenow/itsm_format.test.ts b/x-pack/plugins/cases/server/connectors/servicenow/itsm_format.test.ts
index 8db9ba7df48595..0edec51ce4f486 100644
--- a/x-pack/plugins/cases/server/connectors/servicenow/itsm_format.test.ts
+++ b/x-pack/plugins/cases/server/connectors/servicenow/itsm_format.test.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { format } from './itsm_format';
 
 describe('ITSM formatter', () => {
@@ -14,7 +14,7 @@ describe('ITSM formatter', () => {
     connector: {
       fields: { severity: '2', urgency: '2', impact: '2', category: 'software', subcategory: 'os' },
     },
-  } as CaseResponse;
+  } as Case;
 
   it('it formats correctly', async () => {
     const res = await format(theCase, []);
@@ -26,7 +26,7 @@ describe('ITSM formatter', () => {
   });
 
   it('it formats correctly when fields do not exist ', async () => {
-    const invalidFields = { connector: { fields: null } } as CaseResponse;
+    const invalidFields = { connector: { fields: null } } as Case;
     const res = await format(invalidFields, []);
     expect(res).toEqual({
       severity: null,
diff --git a/x-pack/plugins/cases/server/connectors/servicenow/sir_format.test.ts b/x-pack/plugins/cases/server/connectors/servicenow/sir_format.test.ts
index 6697aad205b928..23d14ec6b2d75c 100644
--- a/x-pack/plugins/cases/server/connectors/servicenow/sir_format.test.ts
+++ b/x-pack/plugins/cases/server/connectors/servicenow/sir_format.test.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { format } from './sir_format';
 
 describe('SIR formatter', () => {
@@ -22,7 +22,7 @@ describe('SIR formatter', () => {
         priority: '2 - High',
       },
     },
-  } as CaseResponse;
+  } as Case;
 
   it('it formats correctly without alerts', async () => {
     const res = await format(theCase, []);
@@ -40,7 +40,7 @@ describe('SIR formatter', () => {
   });
 
   it('it formats correctly when fields do not exist ', async () => {
-    const invalidFields = { connector: { fields: null } } as CaseResponse;
+    const invalidFields = { connector: { fields: null } } as Case;
     const res = await format(invalidFields, []);
     expect(res).toEqual({
       dest_ip: [],
@@ -159,7 +159,7 @@ describe('SIR formatter', () => {
     const newCase = {
       ...theCase,
       connector: { fields: { ...theCase.connector.fields, destIp: false, malwareHash: false } },
-    } as CaseResponse;
+    } as Case;
 
     const res = await format(newCase, alerts);
     expect(res).toEqual({
diff --git a/x-pack/plugins/cases/server/connectors/swimlane/format.test.ts b/x-pack/plugins/cases/server/connectors/swimlane/format.test.ts
index d3500c5f9e18eb..116b0eef1027c7 100644
--- a/x-pack/plugins/cases/server/connectors/swimlane/format.test.ts
+++ b/x-pack/plugins/cases/server/connectors/swimlane/format.test.ts
@@ -5,14 +5,14 @@
  * 2.0.
  */
 
-import type { CaseResponse } from '../../../common/api';
+import type { Case } from '../../../common/api';
 import { format } from './format';
 
 describe('Swimlane formatter', () => {
   const theCase = {
     id: 'case-id',
     connector: { fields: null },
-  } as CaseResponse;
+  } as Case;
 
   it('it formats correctly', async () => {
     const res = await format(theCase, []);
diff --git a/x-pack/plugins/cases/server/connectors/types.ts b/x-pack/plugins/cases/server/connectors/types.ts
index b4cb6af0ddde9f..c1f1480d359b19 100644
--- a/x-pack/plugins/cases/server/connectors/types.ts
+++ b/x-pack/plugins/cases/server/connectors/types.ts
@@ -6,7 +6,7 @@
  */
 
 import type { Logger } from '@kbn/core/server';
-import type { CaseResponse, ConnectorMappingsAttributes } from '../../common/api';
+import type { Case, ConnectorMappingsAttributes } from '../../common/api';
 import type { CasesClientGetAlertsResponse } from '../client/alerts/types';
 import type { CasesClientFactory } from '../client/factory';
 import type { RegisterActionType } from '../types';
@@ -21,7 +21,7 @@ export interface RegisterConnectorsArgs extends GetActionTypeParams {
 }
 
 export interface ICasesConnector<TExternalServiceParams = {}> {
-  format: (theCase: CaseResponse, alerts: CasesClientGetAlertsResponse) => TExternalServiceParams;
+  format: (theCase: Case, alerts: CasesClientGetAlertsResponse) => TExternalServiceParams;
   getMapping: () => ConnectorMappingsAttributes[];
 }
 
diff --git a/x-pack/plugins/cases/server/services/cases/index.ts b/x-pack/plugins/cases/server/services/cases/index.ts
index c617bc9d221fde..48a0f0a089b524 100644
--- a/x-pack/plugins/cases/server/services/cases/index.ts
+++ b/x-pack/plugins/cases/server/services/cases/index.ts
@@ -28,7 +28,7 @@ import {
   MAX_DOCS_PER_PAGE,
 } from '../../../common/constants';
 import type {
-  CaseResponse,
+  Case,
   CommentAttributes,
   User,
   CaseAttributes,
@@ -53,6 +53,22 @@ import type { AggregationBuilder, AggregationResponse } from '../../client/metri
 import { createCaseError } from '../../common/error';
 import type { CaseSavedObject, CaseSavedObjectAttributes } from '../../common/types/case';
 import { CaseStatusSavedObject } from '../../common/types/case';
+import type {
+  GetCaseIdsByAlertIdArgs,
+  GetCaseIdsByAlertIdAggs,
+  FindCaseOptions,
+  CasesMapWithPageInfo,
+  DeleteCaseArgs,
+  GetCaseArgs,
+  GetCasesArgs,
+  FindCommentsArgs,
+  FindCaseCommentsArgs,
+  GetReportersArgs,
+  GetTagsArgs,
+  PostCaseArgs,
+  PatchCaseArgs,
+  PatchCasesArgs,
+} from './types';
 
 export class CasesService {
   private readonly log: Logger;
@@ -151,7 +167,7 @@ export class CasesService {
       caseIds: Array.from(casesMap.keys()),
     });
 
-    const casesWithComments = new Map<string, CaseResponse>();
+    const casesWithComments = new Map<string, Case>();
     for (const [id, caseInfo] of casesMap.entries()) {
       const { alerts, userComments } = commentTotals.get(id) ?? { alerts: 0, userComments: 0 };
 
diff --git a/x-pack/plugins/cases/server/services/cases/types.ts b/x-pack/plugins/cases/server/services/cases/types.ts
index 59fb5270425c63..1b63b660abb0ac 100644
--- a/x-pack/plugins/cases/server/services/cases/types.ts
+++ b/x-pack/plugins/cases/server/services/cases/types.ts
@@ -7,6 +7,7 @@
 
 import type { KueryNode } from '@kbn/es-query';
 import type { SavedObjectsClientContract, SavedObjectsFindOptions } from '@kbn/core/server';
+import type { Case } from '../../../common';
 import type { IndexRefresh } from '../types';
 import type { User } from '../../common/types/user';
 import type { CaseSavedObjectAttributes, CaseSavedObject } from '../../common/types/case';
@@ -61,7 +62,7 @@ export interface PatchCasesArgs extends IndexRefresh {
 }
 
 export interface CasesMapWithPageInfo {
-  casesMap: Map<string, CaseResponse>;
+  casesMap: Map<string, Case>;
   page: number;
   perPage: number;
   total: number;
diff --git a/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/find_cases.ts b/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/find_cases.ts
index 712ec4722d5007..9a29af9721bbce 100644
--- a/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/find_cases.ts
+++ b/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/find_cases.ts
@@ -9,12 +9,7 @@ import { v1 as uuidv1 } from 'uuid';
 
 import expect from '@kbn/expect';
 import { CASES_URL } from '@kbn/cases-plugin/common/constants';
-import {
-  CaseResponse,
-  CaseSeverity,
-  CaseStatuses,
-  CommentType,
-} from '@kbn/cases-plugin/common/api';
+import { Case, CaseSeverity, CaseStatuses, CommentType } from '@kbn/cases-plugin/common/api';
 import { FtrProviderContext } from '../../../../common/ftr_provider_context';
 
 import {
@@ -242,7 +237,7 @@ export default ({ getService }: FtrProviderContext): void => {
         const postedCase = await createCase(supertest, postCaseReq);
         // all fields that contain the UserRt definition must be included here (aka created_by, closed_by, and updated_by)
         // see https://github.com/elastic/kibana/issues/139503
-        const queryFields: Array<keyof CaseResponse | Array<keyof CaseResponse>> = [
+        const queryFields: Array<keyof Case | Array<keyof Case>> = [
           ['title', 'created_by', 'closed_by', 'updated_by'],
           ['title', 'description', 'created_by', 'closed_by', 'updated_by'],
         ];
@@ -500,7 +495,7 @@ export default ({ getService }: FtrProviderContext): void => {
         await deleteAllCaseItems(es);
       });
 
-      const createCasesWithTitleAsNumber = async (total: number): Promise<CaseResponse[]> => {
+      const createCasesWithTitleAsNumber = async (total: number): Promise<Case[]> => {
         const responsePromises = [];
         for (let i = 0; i < total; i++) {
           // this doesn't guarantee that the cases will be created in order that the for-loop executes,
diff --git a/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/patch_cases.ts b/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/patch_cases.ts
index c8239ba02cd3f8..ab3752e0489e8e 100644
--- a/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/patch_cases.ts
+++ b/x-pack/test/cases_api_integration/security_and_spaces/tests/common/cases/patch_cases.ts
@@ -11,7 +11,7 @@ import { ALERT_WORKFLOW_STATUS } from '@kbn/rule-data-utils';
 import { DETECTION_ENGINE_QUERY_SIGNALS_URL } from '@kbn/security-solution-plugin/common/constants';
 import {
   CaseSeverity,
-  CasesResponse,
+  Cases,
   CaseStatuses,
   CommentType,
   ConnectorTypes,
@@ -597,7 +597,7 @@ export default ({ getService }: FtrProviderContext): void => {
           );
 
           // does NOT updates alert status when the status is updated and syncAlerts=false
-          const updatedIndWithStatus: CasesResponse = (await setStatus({
+          const updatedIndWithStatus: Cases = (await setStatus({
             supertest,
             cases: [
               {
@@ -611,7 +611,7 @@ export default ({ getService }: FtrProviderContext): void => {
                 status: CaseStatuses['in-progress'],
               },
             ],
-          })) as CasesResponse;
+          })) as Cases;
 
           await es.indices.refresh({ index: defaultSignalsIndex });
 
@@ -730,7 +730,7 @@ export default ({ getService }: FtrProviderContext): void => {
             signals.get(signalsIndex2)?.get(signalIDInSecondIndex)?._source?.signal?.status
           ).to.be(CaseStatuses.open);
 
-          const updatedIndWithStatus: CasesResponse = (await setStatus({
+          const updatedIndWithStatus: Cases = (await setStatus({
             supertest,
             cases: [
               {
@@ -739,7 +739,7 @@ export default ({ getService }: FtrProviderContext): void => {
                 status: CaseStatuses.closed,
               },
             ],
-          })) as CasesResponse;
+          })) as Cases;
 
           await es.indices.refresh({ index: defaultSignalsIndex });
           await es.indices.refresh({ index: signalsIndex2 });
diff --git a/x-pack/test/functional/services/cases/api.ts b/x-pack/test/functional/services/cases/api.ts
index 743037fed22c5b..2322c8b798eb54 100644
--- a/x-pack/test/functional/services/cases/api.ts
+++ b/x-pack/test/functional/services/cases/api.ts
@@ -6,12 +6,7 @@
  */
 
 import pMap from 'p-map';
-import {
-  CasePostRequest,
-  CaseResponse,
-  CaseSeverity,
-  CaseStatuses,
-} from '@kbn/cases-plugin/common/api';
+import { CasePostRequest, Case, CaseSeverity, CaseStatuses } from '@kbn/cases-plugin/common/api';
 import {
   createCase as createCaseAPI,
   deleteAllCaseItems,
@@ -36,7 +31,7 @@ export function CasesAPIServiceProvider({ getService }: FtrProviderContext) {
   const supertestWithoutAuth = getService('supertestWithoutAuth');
 
   return {
-    async createCase(overwrites: Partial<CasePostRequest> = {}): Promise<CaseResponse> {
+    async createCase(overwrites: Partial<CasePostRequest> = {}): Promise<Case> {
       const caseData = {
         ...generateRandomCaseWithoutConnector(),
         ...overwrites,
@@ -66,7 +61,7 @@ export function CasesAPIServiceProvider({ getService }: FtrProviderContext) {
     }: {
       caseId: Parameters<typeof createComment>[0]['caseId'];
       params: Parameters<typeof createComment>[0]['params'];
-    }): Promise<CaseResponse> {
+    }): Promise<Case> {
       return createComment({ supertest: kbnSupertest, params, caseId });
     },
 
@@ -100,7 +95,7 @@ export function CasesAPIServiceProvider({ getService }: FtrProviderContext) {
       return suggestUserProfiles({ supertest: kbnSupertest, req: options });
     },
 
-    async getCase({ caseId }: OmitSupertest<Parameters<typeof getCase>[0]>): Promise<CaseResponse> {
+    async getCase({ caseId }: OmitSupertest<Parameters<typeof getCase>[0]>): Promise<Case> {
       return getCase({ supertest: kbnSupertest, caseId });
     },
 
diff --git a/x-pack/test/functional_with_es_ssl/apps/cases/group2/attachment_framework.ts b/x-pack/test/functional_with_es_ssl/apps/cases/group2/attachment_framework.ts
index 9b18dcbca8ebc9..a81f862b54b650 100644
--- a/x-pack/test/functional_with_es_ssl/apps/cases/group2/attachment_framework.ts
+++ b/x-pack/test/functional_with_es_ssl/apps/cases/group2/attachment_framework.ts
@@ -9,7 +9,7 @@ import type SuperTest from 'supertest';
 import {
   ExternalReferenceStorageType,
   CommentType,
-  CaseResponse,
+  Case,
   CommentRequest,
 } from '@kbn/cases-plugin/common/api';
 import { expect } from 'expect';
@@ -84,7 +84,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
    */
   describe('Attachment framework', () => {
     describe('External reference attachments', () => {
-      let caseWithAttachment: CaseResponse;
+      let caseWithAttachment: Case;
 
       before(async () => {
         caseWithAttachment = await createAttachmentAndNavigate({
@@ -180,7 +180,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
         },
       });
 
-      let caseWithAttachment: CaseResponse;
+      let caseWithAttachment: Case;
       let dataViewId = '';
 
       before(async () => {