diff --git a/x-pack/plugins/fleet/common/types/rest_spec/enrollment_api_key.ts b/x-pack/plugins/fleet/common/types/rest_spec/enrollment_api_key.ts
index e1509d551bdef..7fa724e5079c8 100644
--- a/x-pack/plugins/fleet/common/types/rest_spec/enrollment_api_key.ts
+++ b/x-pack/plugins/fleet/common/types/rest_spec/enrollment_api_key.ts
@@ -13,7 +13,10 @@ export interface GetEnrollmentAPIKeysRequest {
   query: ListWithKuery;
 }
 
-export type GetEnrollmentAPIKeysResponse = ListResult<EnrollmentAPIKey>;
+export type GetEnrollmentAPIKeysResponse = ListResult<EnrollmentAPIKey> & {
+  // deprecated in 8.x
+  list?: EnrollmentAPIKey[];
+};
 
 export interface GetOneEnrollmentAPIKeyRequest {
   params: {
diff --git a/x-pack/plugins/fleet/server/routes/enrollment_api_key/handler.ts b/x-pack/plugins/fleet/server/routes/enrollment_api_key/handler.ts
index cfce60b0f18f5..a38f5bdadc617 100644
--- a/x-pack/plugins/fleet/server/routes/enrollment_api_key/handler.ts
+++ b/x-pack/plugins/fleet/server/routes/enrollment_api_key/handler.ts
@@ -43,6 +43,7 @@ export const getEnrollmentApiKeysHandler: RequestHandler<
       spaceId: useSpaceAwareness ? getCurrentNamespace(soClient) : undefined,
     });
     const body: GetEnrollmentAPIKeysResponse = {
+      list: items, // deprecated
       items,
       total,
       page,
diff --git a/x-pack/plugins/fleet/server/routes/enrollment_api_key/index.ts b/x-pack/plugins/fleet/server/routes/enrollment_api_key/index.ts
index 58538ba18f359..e593bac3180fe 100644
--- a/x-pack/plugins/fleet/server/routes/enrollment_api_key/index.ts
+++ b/x-pack/plugins/fleet/server/routes/enrollment_api_key/index.ts
@@ -111,7 +111,10 @@ export const registerRoutes = (router: FleetAuthzRouter) => {
           request: GetEnrollmentAPIKeysRequestSchema,
           response: {
             200: {
-              body: () => ListResponseSchema(EnrollmentAPIKeySchema),
+              body: () =>
+                ListResponseSchema(EnrollmentAPIKeySchema).extends({
+                  list: schema.arrayOf(EnrollmentAPIKeySchema, { meta: { deprecated: true } }),
+                }),
             },
             400: {
               body: genericErrorResponse,
diff --git a/x-pack/test/fleet_api_integration/apis/enrollment_api_keys/crud.ts b/x-pack/test/fleet_api_integration/apis/enrollment_api_keys/crud.ts
index 24d1520d8d6f8..686532f8eae50 100644
--- a/x-pack/test/fleet_api_integration/apis/enrollment_api_keys/crud.ts
+++ b/x-pack/test/fleet_api_integration/apis/enrollment_api_keys/crud.ts
@@ -43,6 +43,8 @@ export default function (providerContext: FtrProviderContext) {
 
         expect(apiResponse.total).to.be(2);
         expect(apiResponse.items[0]).to.have.keys('id', 'api_key_id', 'name');
+        // Deprecated property list
+        expect(apiResponse.list[0]).to.have.keys('id', 'api_key_id', 'name');
         expect(apiResponse).to.have.keys('items');
       });