diff --git a/packages/backend-defaults/package.json b/packages/backend-defaults/package.json
index 93336fd6f8..1bdc94762e 100644
--- a/packages/backend-defaults/package.json
+++ b/packages/backend-defaults/package.json
@@ -20,8 +20,6 @@
   "license": "Apache-2.0",
   "exports": {
     ".": "./src/index.ts",
-    "./actions": "./src/entrypoints/actions/index.ts",
-    "./actionsRegistry": "./src/entrypoints/actionsRegistry/index.ts",
     "./auditor": "./src/entrypoints/auditor/index.ts",
     "./auth": "./src/entrypoints/auth/index.ts",
     "./cache": "./src/entrypoints/cache/index.ts",
@@ -41,18 +39,13 @@
     "./scheduler": "./src/entrypoints/scheduler/index.ts",
     "./urlReader": "./src/entrypoints/urlReader/index.ts",
     "./userInfo": "./src/entrypoints/userInfo/index.ts",
+    "./alpha": "./src/alpha/index.ts",
     "./package.json": "./package.json"
   },
   "main": "src/index.ts",
   "types": "src/index.ts",
   "typesVersions": {
     "*": {
-      "actions": [
-        "src/entrypoints/actions/index.ts"
-      ],
-      "actionsRegistry": [
-        "src/entrypoints/actionsRegistry/index.ts"
-      ],
       "auditor": [
         "src/entrypoints/auditor/index.ts"
       ],
@@ -110,6 +103,9 @@
       "userInfo": [
         "src/entrypoints/userInfo/index.ts"
       ],
+      "alpha": [
+        "src/alpha/index.ts"
+      ],
       "package.json": [
         "package.json"
       ]
diff --git a/packages/backend-defaults/report-actions.api.md b/packages/backend-defaults/report-actions.api.md
deleted file mode 100644
index 4c072af02a..0000000000
--- a/packages/backend-defaults/report-actions.api.md
+++ /dev/null
@@ -1,17 +0,0 @@
-## API Report File for "@backstage/backend-defaults"
-
-> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
-
-```ts
-import { ActionsService } from '@backstage/backend-plugin-api';
-import { ServiceFactory } from '@backstage/backend-plugin-api';
-
-// @public (undocumented)
-export const actionsServiceFactory: ServiceFactory<
-  ActionsService,
-  'plugin',
-  'singleton'
->;
-
-// (No @packageDocumentation comment for this package)
-```
diff --git a/packages/backend-defaults/report-actionsRegistry.api.md b/packages/backend-defaults/report-alpha.api.md
similarity index 69%
rename from packages/backend-defaults/report-actionsRegistry.api.md
rename to packages/backend-defaults/report-alpha.api.md
index d35bf4cef4..58277b5e1e 100644
--- a/packages/backend-defaults/report-actionsRegistry.api.md
+++ b/packages/backend-defaults/report-alpha.api.md
@@ -3,7 +3,8 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
-import { ActionsRegistryService } from '@backstage/backend-plugin-api';
+import { ActionsRegistryService } from '@backstage/backend-plugin-api/alpha';
+import { ActionsService } from '@backstage/backend-plugin-api/alpha';
 import { ServiceFactory } from '@backstage/backend-plugin-api';
 
 // @public (undocumented)
@@ -13,5 +14,12 @@ export const actionsRegistryServiceFactory: ServiceFactory<
   'singleton'
 >;
 
+// @public (undocumented)
+export const actionsServiceFactory: ServiceFactory<
+  ActionsService,
+  'plugin',
+  'singleton'
+>;
+
 // (No @packageDocumentation comment for this package)
 ```
diff --git a/packages/backend-defaults/src/CreateBackend.ts b/packages/backend-defaults/src/CreateBackend.ts
index 032978c806..4b201fded3 100644
--- a/packages/backend-defaults/src/CreateBackend.ts
+++ b/packages/backend-defaults/src/CreateBackend.ts
@@ -35,12 +35,12 @@ import { schedulerServiceFactory } from '@backstage/backend-defaults/scheduler';
 import { urlReaderServiceFactory } from '@backstage/backend-defaults/urlReader';
 import { userInfoServiceFactory } from '@backstage/backend-defaults/userInfo';
 import { eventsServiceFactory } from '@backstage/plugin-events-node';
-import { actionsRegistryServiceFactory } from './entrypoints/actionsRegistry';
-import { actionsServiceFactory } from './entrypoints/actions';
-
-export const defaultServiceFactories = [
+import {
   actionsRegistryServiceFactory,
   actionsServiceFactory,
+} from '@backstage/backend-defaults/alpha';
+
+export const defaultServiceFactories = [
   auditorServiceFactory,
   authServiceFactory,
   cacheServiceFactory,
@@ -61,6 +61,10 @@ export const defaultServiceFactories = [
   userInfoServiceFactory,
   urlReaderServiceFactory,
   eventsServiceFactory,
+
+  // alpha services
+  actionsRegistryServiceFactory,
+  actionsServiceFactory,
 ];
 
 /**
diff --git a/packages/backend-defaults/src/entrypoints/actions/DefaultActionsService.ts b/packages/backend-defaults/src/alpha/entrypoints/actions/DefaultActionsService.ts
similarity index 98%
rename from packages/backend-defaults/src/entrypoints/actions/DefaultActionsService.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actions/DefaultActionsService.ts
index 2421482f4c..d8847c2187 100644
--- a/packages/backend-defaults/src/entrypoints/actions/DefaultActionsService.ts
+++ b/packages/backend-defaults/src/alpha/entrypoints/actions/DefaultActionsService.ts
@@ -14,8 +14,6 @@
  * limitations under the License.
  */
 import {
-  ActionsService,
-  ActionsServiceAction,
   AuthService,
   BackstageCredentials,
   DiscoveryService,
@@ -24,6 +22,10 @@ import {
 } from '@backstage/backend-plugin-api';
 import { ResponseError } from '@backstage/errors';
 import { JsonObject } from '@backstage/types';
+import {
+  ActionsService,
+  ActionsServiceAction,
+} from '@backstage/backend-plugin-api/alpha';
 
 export class DefaultActionsService implements ActionsService {
   private constructor(
diff --git a/packages/backend-defaults/src/entrypoints/actions/actionsServiceFactory.test.ts b/packages/backend-defaults/src/alpha/entrypoints/actions/actionsServiceFactory.test.ts
similarity index 96%
rename from packages/backend-defaults/src/entrypoints/actions/actionsServiceFactory.test.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actions/actionsServiceFactory.test.ts
index c43945f1d5..af2fcb0c12 100644
--- a/packages/backend-defaults/src/entrypoints/actions/actionsServiceFactory.test.ts
+++ b/packages/backend-defaults/src/alpha/entrypoints/actions/actionsServiceFactory.test.ts
@@ -21,18 +21,20 @@ import {
   startTestBackend,
 } from '@backstage/backend-test-utils';
 import { actionsRegistryServiceFactory } from '../actionsRegistry';
-import { httpRouterServiceFactory } from '../httpRouter';
+import { httpRouterServiceFactory } from '../../../entrypoints/httpRouter';
 import { actionsServiceFactory } from './actionsServiceFactory';
 import { setupServer } from 'msw/node';
 import { rest } from 'msw';
 import {
-  ActionsServiceAction,
   coreServices,
   createBackendPlugin,
 } from '@backstage/backend-plugin-api';
 import { json } from 'express';
 import Router from 'express-promise-router';
 import request from 'supertest';
+import { ActionsServiceAction } from '@backstage/backend-plugin-api/alpha';
+import { actionsRegistryServiceRef } from '@backstage/backend-plugin-api/alpha';
+import { actionsServiceRef } from '@backstage/backend-plugin-api/alpha';
 
 const server = setupServer();
 
@@ -201,7 +203,7 @@ describe('actionsServiceFactory', () => {
           pluginId: 'plugin-with-action',
           register({ registerInit }) {
             registerInit({
-              deps: { actionsRegistry: coreServices.actionsRegistry },
+              deps: { actionsRegistry: actionsRegistryServiceRef },
               async init({ actionsRegistry }) {
                 actionsRegistry.register({
                   name: 'with-validation',
@@ -236,7 +238,7 @@ describe('actionsServiceFactory', () => {
           register({ registerInit }) {
             registerInit({
               deps: {
-                actionsService: coreServices.actions,
+                actionsService: actionsServiceRef,
                 router: coreServices.httpRouter,
                 httpAuth: coreServices.httpAuth,
               },
diff --git a/packages/backend-defaults/src/entrypoints/actions/actionsServiceFactory.ts b/packages/backend-defaults/src/alpha/entrypoints/actions/actionsServiceFactory.ts
similarity index 92%
rename from packages/backend-defaults/src/entrypoints/actions/actionsServiceFactory.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actions/actionsServiceFactory.ts
index 466cc02121..4325da7d13 100644
--- a/packages/backend-defaults/src/entrypoints/actions/actionsServiceFactory.ts
+++ b/packages/backend-defaults/src/alpha/entrypoints/actions/actionsServiceFactory.ts
@@ -16,12 +16,13 @@
 import { createServiceFactory } from '@backstage/backend-plugin-api';
 import { coreServices } from '@backstage/backend-plugin-api';
 import { DefaultActionsService } from './DefaultActionsService';
+import { actionsServiceRef } from '@backstage/backend-plugin-api/alpha';
 
 /**
  * @public
  */
 export const actionsServiceFactory = createServiceFactory({
-  service: coreServices.actions,
+  service: actionsServiceRef,
   deps: {
     discovery: coreServices.discovery,
     config: coreServices.rootConfig,
diff --git a/packages/backend-defaults/src/entrypoints/actions/index.ts b/packages/backend-defaults/src/alpha/entrypoints/actions/index.ts
similarity index 100%
rename from packages/backend-defaults/src/entrypoints/actions/index.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actions/index.ts
diff --git a/packages/backend-defaults/src/entrypoints/actionsRegistry/DefaultActionsRegistryService.ts b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/DefaultActionsRegistryService.ts
similarity index 98%
rename from packages/backend-defaults/src/entrypoints/actionsRegistry/DefaultActionsRegistryService.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/DefaultActionsRegistryService.ts
index bee3f7d565..2284935787 100644
--- a/packages/backend-defaults/src/entrypoints/actionsRegistry/DefaultActionsRegistryService.ts
+++ b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/DefaultActionsRegistryService.ts
@@ -15,8 +15,6 @@
  */
 
 import {
-  ActionsRegistryActionOptions,
-  ActionsRegistryService,
   AuthService,
   HttpAuthService,
   LoggerService,
@@ -26,6 +24,10 @@ import PromiseRouter from 'express-promise-router';
 import { Router, json } from 'express';
 import { z, AnyZodObject } from 'zod';
 import zodToJsonSchema from 'zod-to-json-schema';
+import {
+  ActionsRegistryActionOptions,
+  ActionsRegistryService,
+} from '@backstage/backend-plugin-api/alpha';
 import {
   ForwardedError,
   InputError,
diff --git a/packages/backend-defaults/src/entrypoints/actionsRegistry/actionsRegistryServiceFactory.test.ts b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/actionsRegistryServiceFactory.test.ts
similarity index 95%
rename from packages/backend-defaults/src/entrypoints/actionsRegistry/actionsRegistryServiceFactory.test.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/actionsRegistryServiceFactory.test.ts
index 2de6272365..79c103c284 100644
--- a/packages/backend-defaults/src/entrypoints/actionsRegistry/actionsRegistryServiceFactory.test.ts
+++ b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/actionsRegistryServiceFactory.test.ts
@@ -13,19 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import {
-  coreServices,
-  createBackendPlugin,
-} from '@backstage/backend-plugin-api';
+import { createBackendPlugin } from '@backstage/backend-plugin-api';
 import {
   mockCredentials,
   mockServices,
   startTestBackend,
 } from '@backstage/backend-test-utils';
-import { httpRouterServiceFactory } from '../httpRouter';
+import { httpRouterServiceFactory } from '../../../entrypoints/httpRouter';
 import request from 'supertest';
 import { actionsRegistryServiceFactory } from './actionsRegistryServiceFactory';
 import { InputError } from '@backstage/errors';
+import { actionsRegistryServiceRef } from '@backstage/backend-plugin-api/alpha';
 
 describe('actionsRegistryServiceFactory', () => {
   const defaultServices = [
@@ -43,7 +41,7 @@ describe('actionsRegistryServiceFactory', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actionsRegistry: coreServices.actionsRegistry,
+              actionsRegistry: actionsRegistryServiceRef,
             },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
@@ -80,7 +78,7 @@ describe('actionsRegistryServiceFactory', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actionsRegistry: coreServices.actionsRegistry,
+              actionsRegistry: actionsRegistryServiceRef,
             },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
@@ -118,7 +116,7 @@ describe('actionsRegistryServiceFactory', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actionsRegistry: coreServices.actionsRegistry,
+              actionsRegistry: actionsRegistryServiceRef,
             },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
@@ -187,7 +185,7 @@ describe('actionsRegistryServiceFactory', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actionsRegistry: coreServices.actionsRegistry,
+              actionsRegistry: actionsRegistryServiceRef,
             },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
@@ -235,7 +233,7 @@ describe('actionsRegistryServiceFactory', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actionsRegistry: coreServices.actionsRegistry,
+              actionsRegistry: actionsRegistryServiceRef,
             },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
@@ -290,7 +288,7 @@ describe('actionsRegistryServiceFactory', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actionsRegistry: coreServices.actionsRegistry,
+              actionsRegistry: actionsRegistryServiceRef,
             },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
@@ -349,7 +347,7 @@ describe('actionsRegistryServiceFactory', () => {
       register(reg) {
         reg.registerInit({
           deps: {
-            actionsRegistry: coreServices.actionsRegistry,
+            actionsRegistry: actionsRegistryServiceRef,
           },
           async init({ actionsRegistry }) {
             actionsRegistry.register({
diff --git a/packages/backend-defaults/src/entrypoints/actionsRegistry/actionsRegistryServiceFactory.ts b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/actionsRegistryServiceFactory.ts
similarity index 92%
rename from packages/backend-defaults/src/entrypoints/actionsRegistry/actionsRegistryServiceFactory.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/actionsRegistryServiceFactory.ts
index 85515a6046..8c19b8148c 100644
--- a/packages/backend-defaults/src/entrypoints/actionsRegistry/actionsRegistryServiceFactory.ts
+++ b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/actionsRegistryServiceFactory.ts
@@ -19,12 +19,13 @@ import {
   createServiceFactory,
 } from '@backstage/backend-plugin-api';
 import { DefaultActionsRegistryService } from './DefaultActionsRegistryService';
+import { actionsRegistryServiceRef } from '@backstage/backend-plugin-api/alpha';
 
 /**
  * @public
  */
 export const actionsRegistryServiceFactory = createServiceFactory({
-  service: coreServices.actionsRegistry,
+  service: actionsRegistryServiceRef,
   deps: {
     metadata: coreServices.pluginMetadata,
     httpRouter: coreServices.httpRouter,
diff --git a/packages/backend-defaults/src/entrypoints/actionsRegistry/index.ts b/packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/index.ts
similarity index 100%
rename from packages/backend-defaults/src/entrypoints/actionsRegistry/index.ts
rename to packages/backend-defaults/src/alpha/entrypoints/actionsRegistry/index.ts
diff --git a/packages/backend-defaults/src/alpha/index.ts b/packages/backend-defaults/src/alpha/index.ts
new file mode 100644
index 0000000000..13bb439acd
--- /dev/null
+++ b/packages/backend-defaults/src/alpha/index.ts
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export { actionsRegistryServiceFactory } from './entrypoints/actionsRegistry';
+export { actionsServiceFactory } from './entrypoints/actions';
diff --git a/packages/backend-plugin-api/package.json b/packages/backend-plugin-api/package.json
index 52c1c6a66a..41c38eb688 100644
--- a/packages/backend-plugin-api/package.json
+++ b/packages/backend-plugin-api/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "exports": {
     ".": "./src/index.ts",
-    "./alpha": "./src/alpha.ts",
+    "./alpha": "./src/alpha/index.ts",
     "./testUtils": "./src/testUtils.ts",
     "./package.json": "./package.json"
   },
@@ -29,7 +29,7 @@
   "typesVersions": {
     "*": {
       "alpha": [
-        "src/alpha.ts"
+        "src/alpha/index.ts"
       ],
       "testUtils": [
         "src/testUtils.ts"
diff --git a/packages/backend-plugin-api/report-alpha.api.md b/packages/backend-plugin-api/report-alpha.api.md
index d485e2132e..9be7a29ed5 100644
--- a/packages/backend-plugin-api/report-alpha.api.md
+++ b/packages/backend-plugin-api/report-alpha.api.md
@@ -3,7 +3,105 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
+import { AnyZodObject } from 'zod';
+import { BackstageCredentials } from '@backstage/backend-plugin-api';
+import { JsonObject } from '@backstage/types';
+import { JSONSchema7 } from 'json-schema';
+import { JsonValue } from '@backstage/types';
+import { LoggerService } from '@backstage/backend-plugin-api';
 import { ServiceRef } from '@backstage/backend-plugin-api';
+import { z } from 'zod';
+
+// @alpha (undocumented)
+export type ActionsRegistryActionContext<TInputSchema extends AnyZodObject> = {
+  input: z.infer<TInputSchema>;
+  logger: LoggerService;
+  credentials: BackstageCredentials;
+};
+
+// @alpha (undocumented)
+export type ActionsRegistryActionOptions<
+  TInputSchema extends AnyZodObject,
+  TOutputSchema extends AnyZodObject,
+> = {
+  name: string;
+  title: string;
+  description: string;
+  schema: {
+    input: (zod: typeof z) => TInputSchema;
+    output: (zod: typeof z) => TOutputSchema;
+  };
+  attributes?: {
+    destructive?: boolean;
+    idempotent?: boolean;
+    readOnly?: boolean;
+  };
+  action: (context: ActionsRegistryActionContext<TInputSchema>) => Promise<
+    z.infer<TOutputSchema> extends void
+      ? void
+      : {
+          output: z.infer<TOutputSchema>;
+        }
+  >;
+};
+
+// @alpha (undocumented)
+export interface ActionsRegistryService {
+  // (undocumented)
+  register<
+    TInputSchema extends AnyZodObject,
+    TOutputSchema extends AnyZodObject,
+  >(
+    options: ActionsRegistryActionOptions<TInputSchema, TOutputSchema>,
+  ): void;
+}
+
+// @alpha
+export const actionsRegistryServiceRef: ServiceRef<
+  ActionsRegistryService,
+  'plugin',
+  'singleton'
+>;
+
+// @alpha (undocumented)
+export interface ActionsService {
+  // (undocumented)
+  invoke(opts: {
+    id: string;
+    input?: JsonObject;
+    credentials: BackstageCredentials;
+  }): Promise<{
+    output: JsonValue;
+  }>;
+  // (undocumented)
+  list: (opts: { credentials: BackstageCredentials }) => Promise<{
+    actions: ActionsServiceAction[];
+  }>;
+}
+
+// @alpha (undocumented)
+export type ActionsServiceAction = {
+  id: string;
+  name: string;
+  title: string;
+  description: string;
+  schema: {
+    input: JSONSchema7;
+    output: JSONSchema7;
+  };
+  attributes: {
+    readOnly: boolean;
+    destructive: boolean;
+    idempotent: boolean;
+  };
+};
+
+// @alpha
+export const actionsServiceRef: ServiceRef<
+  ActionsService,
+  'plugin',
+  'singleton'
+>;
 
 // @alpha (undocumented)
 export type BackendFeatureMeta =
@@ -23,7 +121,7 @@ export interface InstanceMetadataService {
   getInstalledFeatures: () => BackendFeatureMeta[];
 }
 
-// @alpha
+// @alpha (undocumented)
 export const instanceMetadataServiceRef: ServiceRef<
   InstanceMetadataService,
   'plugin',
diff --git a/packages/backend-plugin-api/report.api.md b/packages/backend-plugin-api/report.api.md
index d5030adb9c..52843dec96 100644
--- a/packages/backend-plugin-api/report.api.md
+++ b/packages/backend-plugin-api/report.api.md
@@ -3,7 +3,6 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
-import { AnyZodObject } from 'zod';
 import { AuthorizePermissionRequest } from '@backstage/plugin-permission-common';
 import { AuthorizePermissionResponse } from '@backstage/plugin-permission-common';
 import { Config } from '@backstage/config';
@@ -13,7 +12,6 @@ import type { Handler } from 'express';
 import { HumanDuration } from '@backstage/types';
 import { isChildPath } from '@backstage/cli-common';
 import { JsonObject } from '@backstage/types';
-import { JSONSchema7 } from 'json-schema';
 import { JsonValue } from '@backstage/types';
 import { Knex } from 'knex';
 import { Permission } from '@backstage/plugin-permission-common';
@@ -27,84 +25,6 @@ import { QueryPermissionResponse } from '@backstage/plugin-permission-common';
 import { Readable } from 'stream';
 import type { Request as Request_2 } from 'express';
 import type { Response as Response_2 } from 'express';
-import { z } from 'zod';
-
-// @public (undocumented)
-export type ActionsRegistryActionContext<TInputSchema extends AnyZodObject> = {
-  input: z.infer<TInputSchema>;
-  logger: LoggerService;
-  credentials: BackstageCredentials;
-};
-
-// @public (undocumented)
-export type ActionsRegistryActionOptions<
-  TInputSchema extends AnyZodObject,
-  TOutputSchema extends AnyZodObject,
-> = {
-  name: string;
-  title: string;
-  description: string;
-  schema: {
-    input: (zod: typeof z) => TInputSchema;
-    output: (zod: typeof z) => TOutputSchema;
-  };
-  attributes?: {
-    destructive?: boolean;
-    idempotent?: boolean;
-    readOnly?: boolean;
-  };
-  action: (context: ActionsRegistryActionContext<TInputSchema>) => Promise<
-    z.infer<TOutputSchema> extends void
-      ? void
-      : {
-          output: z.infer<TOutputSchema>;
-        }
-  >;
-};
-
-// @public (undocumented)
-export interface ActionsRegistryService {
-  // (undocumented)
-  register<
-    TInputSchema extends AnyZodObject,
-    TOutputSchema extends AnyZodObject,
-  >(
-    options: ActionsRegistryActionOptions<TInputSchema, TOutputSchema>,
-  ): void;
-}
-
-// @public (undocumented)
-export interface ActionsService {
-  // (undocumented)
-  invoke(opts: {
-    id: string;
-    input?: JsonObject;
-    credentials: BackstageCredentials;
-  }): Promise<{
-    output: JsonValue;
-  }>;
-  // (undocumented)
-  list: (opts: { credentials: BackstageCredentials }) => Promise<{
-    actions: ActionsServiceAction[];
-  }>;
-}
-
-// @public (undocumented)
-export type ActionsServiceAction = {
-  id: string;
-  name: string;
-  title: string;
-  description: string;
-  schema: {
-    input: JSONSchema7;
-    output: JSONSchema7;
-  };
-  attributes: {
-    readOnly: boolean;
-    destructive: boolean;
-    idempotent: boolean;
-  };
-};
 
 // @public
 export interface AuditorService {
@@ -285,12 +205,6 @@ export type CacheServiceSetOptions = {
 // @public
 export namespace coreServices {
   const auth: ServiceRef<AuthService, 'plugin', 'singleton'>;
-  const actions: ServiceRef<ActionsService, 'plugin', 'singleton'>;
-  const actionsRegistry: ServiceRef<
-    ActionsRegistryService,
-    'plugin',
-    'singleton'
-  >;
   const userInfo: ServiceRef<UserInfoService, 'plugin', 'singleton'>;
   const cache: ServiceRef<CacheService, 'plugin', 'singleton'>;
   const rootConfig: ServiceRef<RootConfigService, 'root', 'singleton'>;
diff --git a/packages/backend-plugin-api/src/alpha/ActionsRegistryService.ts b/packages/backend-plugin-api/src/alpha/ActionsRegistryService.ts
new file mode 100644
index 0000000000..9a7820e354
--- /dev/null
+++ b/packages/backend-plugin-api/src/alpha/ActionsRegistryService.ts
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { z, AnyZodObject } from 'zod';
+import {
+  LoggerService,
+  BackstageCredentials,
+} from '@backstage/backend-plugin-api';
+
+/**
+ * @alpha
+ */
+export type ActionsRegistryActionContext<TInputSchema extends AnyZodObject> = {
+  input: z.infer<TInputSchema>;
+  logger: LoggerService;
+  credentials: BackstageCredentials;
+};
+
+/**
+ * @alpha
+ */
+export type ActionsRegistryActionOptions<
+  TInputSchema extends AnyZodObject,
+  TOutputSchema extends AnyZodObject,
+> = {
+  name: string;
+  title: string;
+  description: string;
+  schema: {
+    input: (zod: typeof z) => TInputSchema;
+    output: (zod: typeof z) => TOutputSchema;
+  };
+  attributes?: {
+    destructive?: boolean;
+    idempotent?: boolean;
+    readOnly?: boolean;
+  };
+  action: (
+    context: ActionsRegistryActionContext<TInputSchema>,
+  ) => Promise<
+    z.infer<TOutputSchema> extends void
+      ? void
+      : { output: z.infer<TOutputSchema> }
+  >;
+};
+
+/**
+ * @alpha
+ */
+export interface ActionsRegistryService {
+  register<
+    TInputSchema extends AnyZodObject,
+    TOutputSchema extends AnyZodObject,
+  >(
+    options: ActionsRegistryActionOptions<TInputSchema, TOutputSchema>,
+  ): void;
+}
diff --git a/packages/backend-plugin-api/src/alpha/ActionsService.ts b/packages/backend-plugin-api/src/alpha/ActionsService.ts
new file mode 100644
index 0000000000..528b6cea67
--- /dev/null
+++ b/packages/backend-plugin-api/src/alpha/ActionsService.ts
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { JsonObject, JsonValue } from '@backstage/types';
+import { JSONSchema7 } from 'json-schema';
+import { BackstageCredentials } from '@backstage/backend-plugin-api';
+
+/**
+ * @alpha
+ */
+export type ActionsServiceAction = {
+  id: string;
+  name: string;
+  title: string;
+  description: string;
+  schema: {
+    input: JSONSchema7;
+    output: JSONSchema7;
+  };
+  attributes: {
+    readOnly: boolean;
+    destructive: boolean;
+    idempotent: boolean;
+  };
+};
+
+/**
+ * @alpha
+ */
+export interface ActionsService {
+  list: (opts: {
+    credentials: BackstageCredentials;
+  }) => Promise<{ actions: ActionsServiceAction[] }>;
+  invoke(opts: {
+    id: string;
+    input?: JsonObject;
+    credentials: BackstageCredentials;
+  }): Promise<{ output: JsonValue }>;
+}
diff --git a/packages/backend-plugin-api/src/services/definitions/InstanceMetadataService.ts b/packages/backend-plugin-api/src/alpha/InstanceMetadataService.ts
similarity index 100%
rename from packages/backend-plugin-api/src/services/definitions/InstanceMetadataService.ts
rename to packages/backend-plugin-api/src/alpha/InstanceMetadataService.ts
diff --git a/packages/backend-plugin-api/src/alpha.ts b/packages/backend-plugin-api/src/alpha/index.ts
similarity index 60%
rename from packages/backend-plugin-api/src/alpha.ts
rename to packages/backend-plugin-api/src/alpha/index.ts
index 6e91e10671..5bb69eb4e2 100644
--- a/packages/backend-plugin-api/src/alpha.ts
+++ b/packages/backend-plugin-api/src/alpha/index.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 The Backstage Authors
+ * Copyright 2025 The Backstage Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,20 +14,21 @@
  * limitations under the License.
  */
 
-import { createServiceRef } from '@backstage/backend-plugin-api';
-
-/**
- * EXPERIMENTAL: Instance metadata service.
- *
- * @alpha
- */
-export const instanceMetadataServiceRef = createServiceRef<
-  import('./services/definitions/InstanceMetadataService').InstanceMetadataService
->({
-  id: 'core.instanceMetadata',
-});
-
 export type {
   BackendFeatureMeta,
   InstanceMetadataService,
-} from './services/definitions/InstanceMetadataService';
+} from './InstanceMetadataService';
+
+export type {
+  ActionsRegistryService,
+  ActionsRegistryActionOptions,
+  ActionsRegistryActionContext,
+} from './ActionsRegistryService';
+
+export type { ActionsService, ActionsServiceAction } from './ActionsService';
+
+export {
+  actionsRegistryServiceRef,
+  actionsServiceRef,
+  instanceMetadataServiceRef,
+} from './refs';
diff --git a/packages/backend-plugin-api/src/alpha/refs.ts b/packages/backend-plugin-api/src/alpha/refs.ts
new file mode 100644
index 0000000000..81996679f7
--- /dev/null
+++ b/packages/backend-plugin-api/src/alpha/refs.ts
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { createServiceRef } from '@backstage/backend-plugin-api';
+
+/**
+ * @alpha
+ */
+export const instanceMetadataServiceRef = createServiceRef<
+  import('./InstanceMetadataService').InstanceMetadataService
+>({
+  id: 'core.instanceMetadata',
+});
+
+/**
+ * Service for calling distributed actions
+ *
+ * See {@link ActionsService}
+ * and {@link https://backstage.io/docs/backend-system/core-services/actions | the service docs}
+ * for more information.
+ *
+ * @alpha
+ */
+export const actionsServiceRef = createServiceRef<
+  import('./ActionsService').ActionsService
+>({
+  id: 'alpha.core.actions',
+});
+
+/**
+ * Service for registering and managing distributed actions.
+ *
+ * See {@link ActionsRegistryService}
+ * and {@link https://backstage.io/docs/backend-system/core-services/actions-registry | the service docs}
+ * for more information.
+ *
+ * @alpha
+ */
+export const actionsRegistryServiceRef = createServiceRef<
+  import('./ActionsRegistryService').ActionsRegistryService
+>({
+  id: 'alpha.core.actionsRegistry',
+});
diff --git a/packages/backend-plugin-api/src/services/definitions/coreServices.ts b/packages/backend-plugin-api/src/services/definitions/coreServices.ts
index c5282368ac..8c8c6c0f82 100644
--- a/packages/backend-plugin-api/src/services/definitions/coreServices.ts
+++ b/packages/backend-plugin-api/src/services/definitions/coreServices.ts
@@ -35,36 +35,6 @@ export namespace coreServices {
     id: 'core.auth',
   });
 
-  /**
-   * Service for calling distributed actions
-   *
-   * See {@link ActionsService}
-   * and {@link https://backstage.io/docs/backend-system/core-services/actions | the service docs}
-   * for more information.
-   *
-   * @public
-   */
-  export const actions = createServiceRef<
-    import('./ActionsService').ActionsService
-  >({
-    id: 'core.actions',
-  });
-
-  /**
-   * Service for registering and managing distributed actions.
-   *
-   * See {@link ActionsRegistryService}
-   * and {@link https://backstage.io/docs/backend-system/core-services/actions-registry | the service docs}
-   * for more information.
-   *
-   * @public
-   */
-  export const actionsRegistry = createServiceRef<
-    import('./ActionsRegistryService').ActionsRegistryService
-  >({
-    id: 'core.actionsRegistry',
-  });
-
   /**
    * Authenticated user information retrieval.
    *
diff --git a/packages/backend-plugin-api/src/services/definitions/index.ts b/packages/backend-plugin-api/src/services/definitions/index.ts
index a01544b60f..c811a513a8 100644
--- a/packages/backend-plugin-api/src/services/definitions/index.ts
+++ b/packages/backend-plugin-api/src/services/definitions/index.ts
@@ -13,14 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-export type {
-  ActionsRegistryService,
-  ActionsRegistryActionOptions,
-  ActionsRegistryActionContext,
-} from './ActionsRegistryService';
-
-export type { ActionsService, ActionsServiceAction } from './ActionsService';
 export type {
   AuditorService,
   AuditorServiceCreateEventOptions,
diff --git a/packages/backend-test-utils/package.json b/packages/backend-test-utils/package.json
index cc47249a2d..0b5a4d7626 100644
--- a/packages/backend-test-utils/package.json
+++ b/packages/backend-test-utils/package.json
@@ -21,7 +21,8 @@
   "license": "Apache-2.0",
   "exports": {
     ".": "./src/index.ts",
-    "./package.json": "./package.json"
+    "./package.json": "./package.json",
+    "./alpha": "./src/alpha/index.ts"
   },
   "main": "src/index.ts",
   "types": "src/index.ts",
@@ -29,6 +30,9 @@
     "*": {
       "package.json": [
         "package.json"
+      ],
+      "alpha": [
+        "src/alpha/index.ts"
       ]
     }
   },
diff --git a/packages/backend-test-utils/report-alpha.api.md b/packages/backend-test-utils/report-alpha.api.md
new file mode 100644
index 0000000000..ccbf96c0c7
--- /dev/null
+++ b/packages/backend-test-utils/report-alpha.api.md
@@ -0,0 +1,85 @@
+## API Report File for "@backstage/backend-test-utils"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { ActionsRegistryActionOptions } from '@backstage/backend-plugin-api/alpha';
+import { ActionsRegistryService } from '@backstage/backend-plugin-api/alpha';
+import { ActionsService } from '@backstage/backend-plugin-api/alpha';
+import { ActionsServiceAction } from '@backstage/backend-plugin-api/alpha';
+import { AnyZodObject } from 'zod';
+import { BackstageCredentials } from '@backstage/backend-plugin-api';
+import { JsonObject } from '@backstage/types';
+import { JsonValue } from '@backstage/types';
+import { LoggerService } from '@backstage/backend-plugin-api';
+import { ServiceFactory } from '@backstage/backend-plugin-api';
+
+// @alpha (undocumented)
+export function actionsRegistryServiceMock(options?: {
+  logger: LoggerService;
+}): MockActionsRegistry;
+
+// @alpha (undocumented)
+export namespace actionsRegistryServiceMock {
+  const // (undocumented)
+    factory: () => ServiceFactory<
+      ActionsRegistryService,
+      'plugin',
+      'singleton'
+    >;
+  const // (undocumented)
+    mock: (
+      partialImpl?: Partial<ActionsRegistryService> | undefined,
+    ) => ServiceMock<ActionsRegistryService>;
+}
+
+// @alpha (undocumented)
+export namespace actionsServiceMock {
+  const // (undocumented)
+    factory: () => ServiceFactory<ActionsService, 'plugin', 'singleton'>;
+  const // (undocumented)
+    mock: (
+      partialImpl?: Partial<ActionsService> | undefined,
+    ) => ServiceMock<ActionsService>;
+}
+
+// @alpha
+export class MockActionsRegistry
+  implements ActionsRegistryService, ActionsService
+{
+  // (undocumented)
+  readonly actions: Map<string, ActionsRegistryActionOptions<any, any>>;
+  // (undocumented)
+  static create(opts: { logger: LoggerService }): MockActionsRegistry;
+  // (undocumented)
+  invoke(opts: {
+    id: string;
+    input?: JsonObject;
+    credentials?: BackstageCredentials;
+  }): Promise<{
+    output: JsonValue;
+  }>;
+  // (undocumented)
+  list(): Promise<{
+    actions: ActionsServiceAction[];
+  }>;
+  // (undocumented)
+  register<
+    TInputSchema extends AnyZodObject,
+    TOutputSchema extends AnyZodObject,
+  >(options: ActionsRegistryActionOptions<TInputSchema, TOutputSchema>): void;
+}
+
+// @alpha (undocumented)
+export type ServiceMock<TService> = {
+  factory: ServiceFactory<TService>;
+} & {
+  [Key in keyof TService]: TService[Key] extends (
+    ...args: infer Args
+  ) => infer Return
+    ? TService[Key] & jest.MockInstance<Return, Args>
+    : TService[Key];
+};
+
+// (No @packageDocumentation comment for this package)
+```
diff --git a/packages/backend-test-utils/report.api.md b/packages/backend-test-utils/report.api.md
index a9377e70fe..4853ca57c5 100644
--- a/packages/backend-test-utils/report.api.md
+++ b/packages/backend-test-utils/report.api.md
@@ -3,11 +3,6 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
-import { ActionsRegistryActionOptions } from '@backstage/backend-plugin-api';
-import { ActionsRegistryService } from '@backstage/backend-plugin-api';
-import { ActionsService } from '@backstage/backend-plugin-api';
-import { ActionsServiceAction } from '@backstage/backend-plugin-api';
-import { AnyZodObject } from 'zod';
 import { AuditorService } from '@backstage/backend-plugin-api';
 import { AuthorizeResult } from '@backstage/plugin-permission-common';
 import { AuthService } from '@backstage/backend-plugin-api';
@@ -29,7 +24,6 @@ import { ExtensionPoint } from '@backstage/backend-plugin-api';
 import { HttpAuthService } from '@backstage/backend-plugin-api';
 import { HttpRouterService } from '@backstage/backend-plugin-api';
 import { JsonObject } from '@backstage/types';
-import { JsonValue } from '@backstage/types';
 import Keyv from 'keyv';
 import { Knex } from 'knex';
 import { LifecycleService } from '@backstage/backend-plugin-api';
@@ -60,33 +54,6 @@ export interface CreateMockDirectoryOptions {
   mockOsTmpDir?: boolean;
 }
 
-// @public
-export class MockActionsRegistry
-  implements ActionsRegistryService, ActionsService
-{
-  // (undocumented)
-  readonly actions: Map<string, ActionsRegistryActionOptions<any, any>>;
-  // (undocumented)
-  static create(opts: { logger: LoggerService }): MockActionsRegistry;
-  // (undocumented)
-  invoke(opts: {
-    id: string;
-    input?: JsonObject;
-    credentials?: BackstageCredentials;
-  }): Promise<{
-    output: JsonValue;
-  }>;
-  // (undocumented)
-  list(): Promise<{
-    actions: ActionsServiceAction[];
-  }>;
-  // (undocumented)
-  register<
-    TInputSchema extends AnyZodObject,
-    TOutputSchema extends AnyZodObject,
-  >(options: ActionsRegistryActionOptions<TInputSchema, TOutputSchema>): void;
-}
-
 // @public (undocumented)
 export namespace mockCredentials {
   export function limitedUser(
@@ -195,32 +162,6 @@ export function mockErrorHandler(): ErrorRequestHandler<
 
 // @public
 export namespace mockServices {
-  // (undocumented)
-  export namespace actions {
-    const // (undocumented)
-      factory: () => ServiceFactory<ActionsService, 'plugin', 'singleton'>;
-    const // (undocumented)
-      mock: (
-        partialImpl?: Partial<ActionsService> | undefined,
-      ) => ServiceMock<ActionsService>;
-  }
-  // (undocumented)
-  export function actionsRegistry(options?: {
-    logger: LoggerService;
-  }): MockActionsRegistry;
-  // (undocumented)
-  export namespace actionsRegistry {
-    const // (undocumented)
-      factory: () => ServiceFactory<
-        ActionsRegistryService,
-        'plugin',
-        'singleton'
-      >;
-    const // (undocumented)
-      mock: (
-        partialImpl?: Partial<ActionsRegistryService> | undefined,
-      ) => ServiceMock<ActionsRegistryService>;
-  }
   // (undocumented)
   export namespace auditor {
     const // (undocumented)
diff --git a/packages/backend-test-utils/src/next/index.ts b/packages/backend-test-utils/src/alpha/index.ts
similarity index 96%
rename from packages/backend-test-utils/src/next/index.ts
rename to packages/backend-test-utils/src/alpha/index.ts
index 572fb3a9e7..d891744260 100644
--- a/packages/backend-test-utils/src/next/index.ts
+++ b/packages/backend-test-utils/src/alpha/index.ts
@@ -14,5 +14,4 @@
  * limitations under the License.
  */
 
-export * from './wiring';
 export * from './services';
diff --git a/packages/backend-test-utils/src/alpha/services/ActionsRegistryServiceMock.ts b/packages/backend-test-utils/src/alpha/services/ActionsRegistryServiceMock.ts
new file mode 100644
index 0000000000..faf89b393a
--- /dev/null
+++ b/packages/backend-test-utils/src/alpha/services/ActionsRegistryServiceMock.ts
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { mockServices } from '../../services';
+import { LoggerService } from '@backstage/backend-plugin-api';
+import { MockActionsRegistry } from './MockActionsRegistry';
+import { simpleMock } from './simpleMock';
+import {
+  ActionsRegistryService,
+  actionsRegistryServiceRef,
+} from '@backstage/backend-plugin-api/alpha';
+import { actionsRegistryServiceFactory } from '@backstage/backend-defaults/alpha';
+
+/**
+ * @alpha
+ */
+export function actionsRegistryServiceMock(options?: {
+  logger: LoggerService;
+}): MockActionsRegistry {
+  return MockActionsRegistry.create({
+    logger: options?.logger ?? mockServices.logger.mock(),
+  });
+}
+
+/**
+ * @alpha
+ */
+export namespace actionsRegistryServiceMock {
+  export const factory = () => actionsRegistryServiceFactory;
+
+  export const mock = simpleMock<ActionsRegistryService>(
+    actionsRegistryServiceRef,
+    () => ({
+      register: jest.fn(),
+    }),
+  );
+}
diff --git a/packages/backend-test-utils/src/alpha/services/ActionsServiceMock.ts b/packages/backend-test-utils/src/alpha/services/ActionsServiceMock.ts
new file mode 100644
index 0000000000..63abff4c37
--- /dev/null
+++ b/packages/backend-test-utils/src/alpha/services/ActionsServiceMock.ts
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { simpleMock } from './simpleMock';
+import {
+  ActionsService,
+  actionsServiceRef,
+} from '@backstage/backend-plugin-api/alpha';
+import { actionsServiceFactory } from '@backstage/backend-defaults/alpha';
+
+/**
+ * @alpha
+ */
+export namespace actionsServiceMock {
+  export const factory = () => actionsServiceFactory;
+
+  export const mock = simpleMock<ActionsService>(actionsServiceRef, () => ({
+    invoke: jest.fn(),
+    list: jest.fn(),
+  }));
+}
diff --git a/packages/backend-test-utils/src/next/services/MockActionsRegistry.test.ts b/packages/backend-test-utils/src/alpha/services/MockActionsRegistry.test.ts
similarity index 89%
rename from packages/backend-test-utils/src/next/services/MockActionsRegistry.test.ts
rename to packages/backend-test-utils/src/alpha/services/MockActionsRegistry.test.ts
index e4556cb89e..f604689c63 100644
--- a/packages/backend-test-utils/src/next/services/MockActionsRegistry.test.ts
+++ b/packages/backend-test-utils/src/alpha/services/MockActionsRegistry.test.ts
@@ -17,15 +17,19 @@ import {
   coreServices,
   createBackendPlugin,
 } from '@backstage/backend-plugin-api';
-import { startTestBackend } from '../wiring';
-import { mockServices } from './mockServices';
-import { mockCredentials } from './mockCredentials';
+import { startTestBackend } from '../../wiring';
+import { actionsRegistryServiceMock } from './ActionsRegistryServiceMock';
+import { mockCredentials } from '../../services';
 import { Router } from 'express';
 import supertest from 'supertest';
+import {
+  actionsRegistryServiceRef,
+  actionsServiceRef,
+} from '@backstage/backend-plugin-api/alpha';
 
 describe('MockActionsRegistry', () => {
   it('should be able to register and invoke actions', async () => {
-    const registry = mockServices.actionsRegistry();
+    const registry = actionsRegistryServiceMock();
 
     registry.register({
       name: 'my-demo-action',
@@ -53,7 +57,7 @@ describe('MockActionsRegistry', () => {
   });
 
   it('should throw an error when the input is invalid to the action', async () => {
-    const registry = mockServices.actionsRegistry();
+    const registry = actionsRegistryServiceMock();
 
     registry.register({
       name: 'my-demo-action',
@@ -72,7 +76,7 @@ describe('MockActionsRegistry', () => {
   });
 
   it('should throw an error when the action is not found', async () => {
-    const registry = mockServices.actionsRegistry();
+    const registry = actionsRegistryServiceMock();
 
     await expect(registry.invoke({ id: 'test' })).rejects.toThrow(
       'Action "test" not found, available actions: none',
@@ -80,7 +84,7 @@ describe('MockActionsRegistry', () => {
   });
 
   it('should throw an error when the action is not found with recommended actions', async () => {
-    const registry = mockServices.actionsRegistry();
+    const registry = actionsRegistryServiceMock();
 
     registry.register({
       name: 'my-demo-action',
@@ -99,7 +103,7 @@ describe('MockActionsRegistry', () => {
   });
 
   it('should throw an error when the output is invalid', async () => {
-    const registry = mockServices.actionsRegistry();
+    const registry = actionsRegistryServiceMock();
 
     registry.register({
       name: 'my-demo-action',
@@ -119,7 +123,7 @@ describe('MockActionsRegistry', () => {
   });
 
   it('should list the actions correctly', async () => {
-    const registry = mockServices.actionsRegistry();
+    const registry = actionsRegistryServiceMock();
 
     registry.register({
       name: 'my-demo-action',
@@ -165,13 +169,13 @@ describe('MockActionsRegistry', () => {
     });
   });
 
-  describe('mockServices.actions + mockService.actionsRegistry', () => {
+  describe('actionsRegistryServiceMock + mockService.actionsRegistry', () => {
     it('should be able to register and invoke actions', async () => {
       const pluginWithAction = createBackendPlugin({
         pluginId: 'my-plugin',
         register(reg) {
           reg.registerInit({
-            deps: { actionsRegistry: coreServices.actionsRegistry },
+            deps: { actionsRegistry: actionsRegistryServiceRef },
             async init({ actionsRegistry }) {
               actionsRegistry.register({
                 name: 'test',
@@ -196,7 +200,7 @@ describe('MockActionsRegistry', () => {
         register(reg) {
           reg.registerInit({
             deps: {
-              actions: coreServices.actions,
+              actions: actionsServiceRef,
               router: coreServices.httpRouter,
             },
             async init({ actions, router }) {
diff --git a/packages/backend-test-utils/src/next/services/MockActionsRegistry.ts b/packages/backend-test-utils/src/alpha/services/MockActionsRegistry.ts
similarity index 97%
rename from packages/backend-test-utils/src/next/services/MockActionsRegistry.ts
rename to packages/backend-test-utils/src/alpha/services/MockActionsRegistry.ts
index 62d940515b..49c80b7a3d 100644
--- a/packages/backend-test-utils/src/next/services/MockActionsRegistry.ts
+++ b/packages/backend-test-utils/src/alpha/services/MockActionsRegistry.ts
@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 import {
-  ActionsRegistryActionOptions,
-  ActionsRegistryService,
-  ActionsService,
-  ActionsServiceAction,
   BackstageCredentials,
   LoggerService,
 } from '@backstage/backend-plugin-api';
@@ -25,7 +21,13 @@ import { ForwardedError, InputError, NotFoundError } from '@backstage/errors';
 import { JsonObject, JsonValue } from '@backstage/types';
 import { z, AnyZodObject } from 'zod';
 import zodToJsonSchema from 'zod-to-json-schema';
-import { mockCredentials } from './mockCredentials';
+import { mockCredentials } from '../../services';
+import {
+  ActionsRegistryActionOptions,
+  ActionsRegistryService,
+  ActionsService,
+  ActionsServiceAction,
+} from '@backstage/backend-plugin-api/alpha';
 
 /**
  * A mock implementation of the ActionsRegistryService and ActionsService that can be used in tests.
@@ -58,7 +60,7 @@ import { mockCredentials } from './mockCredentials';
  * expect(result).toEqual({ output: { name: 'test' } });
  * ```
  *
- * @public
+ * @alpha
  */
 export class MockActionsRegistry
   implements ActionsRegistryService, ActionsService
diff --git a/packages/backend-test-utils/src/alpha/services/index.ts b/packages/backend-test-utils/src/alpha/services/index.ts
new file mode 100644
index 0000000000..ca9b3f23a0
--- /dev/null
+++ b/packages/backend-test-utils/src/alpha/services/index.ts
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export { actionsRegistryServiceMock } from './ActionsRegistryServiceMock';
+export { MockActionsRegistry } from './MockActionsRegistry';
+export { actionsServiceMock } from './ActionsServiceMock';
+export { type ServiceMock } from './simpleMock';
diff --git a/packages/backend-test-utils/src/alpha/services/simpleMock.ts b/packages/backend-test-utils/src/alpha/services/simpleMock.ts
new file mode 100644
index 0000000000..d07b143f7a
--- /dev/null
+++ b/packages/backend-test-utils/src/alpha/services/simpleMock.ts
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {
+  createServiceFactory,
+  ServiceFactory,
+  ServiceRef,
+} from '@backstage/backend-plugin-api';
+
+/** @alpha */
+export type ServiceMock<TService> = {
+  factory: ServiceFactory<TService>;
+} & {
+  [Key in keyof TService]: TService[Key] extends (
+    ...args: infer Args
+  ) => infer Return
+    ? TService[Key] & jest.MockInstance<Return, Args>
+    : TService[Key];
+};
+
+/** @internal */
+export function simpleMock<TService>(
+  ref: ServiceRef<TService, any>,
+  mockFactory: () => jest.Mocked<TService>,
+): (partialImpl?: Partial<TService>) => ServiceMock<TService> {
+  return partialImpl => {
+    const mock = mockFactory();
+    if (partialImpl) {
+      for (const [key, impl] of Object.entries(partialImpl)) {
+        if (typeof impl === 'function') {
+          (mock as any)[key].mockImplementation(impl);
+        } else {
+          (mock as any)[key] = impl;
+        }
+      }
+    }
+    return Object.assign(mock, {
+      factory: createServiceFactory({
+        service: ref,
+        deps: {},
+        factory: () => mock,
+      }),
+    }) as ServiceMock<TService>;
+  };
+}
diff --git a/packages/backend-test-utils/src/index.ts b/packages/backend-test-utils/src/index.ts
index d8e0e2c4a6..7cc4546415 100644
--- a/packages/backend-test-utils/src/index.ts
+++ b/packages/backend-test-utils/src/index.ts
@@ -24,5 +24,6 @@ export * from './cache';
 export * from './database';
 export * from './msw';
 export * from './filesystem';
-export * from './next';
+export * from './services';
+export * from './wiring';
 export { mockErrorHandler } from './util';
diff --git a/packages/backend-test-utils/src/next/services/MockAuthService.test.ts b/packages/backend-test-utils/src/services/MockAuthService.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockAuthService.test.ts
rename to packages/backend-test-utils/src/services/MockAuthService.test.ts
diff --git a/packages/backend-test-utils/src/next/services/MockAuthService.ts b/packages/backend-test-utils/src/services/MockAuthService.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockAuthService.ts
rename to packages/backend-test-utils/src/services/MockAuthService.ts
diff --git a/packages/backend-test-utils/src/next/services/MockEventsService.test.ts b/packages/backend-test-utils/src/services/MockEventsService.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockEventsService.test.ts
rename to packages/backend-test-utils/src/services/MockEventsService.test.ts
diff --git a/packages/backend-test-utils/src/next/services/MockEventsService.ts b/packages/backend-test-utils/src/services/MockEventsService.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockEventsService.ts
rename to packages/backend-test-utils/src/services/MockEventsService.ts
diff --git a/packages/backend-test-utils/src/next/services/MockHttpAuthService.test.ts b/packages/backend-test-utils/src/services/MockHttpAuthService.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockHttpAuthService.test.ts
rename to packages/backend-test-utils/src/services/MockHttpAuthService.test.ts
diff --git a/packages/backend-test-utils/src/next/services/MockHttpAuthService.ts b/packages/backend-test-utils/src/services/MockHttpAuthService.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockHttpAuthService.ts
rename to packages/backend-test-utils/src/services/MockHttpAuthService.ts
diff --git a/packages/backend-test-utils/src/next/services/MockPermissionsService.test.ts b/packages/backend-test-utils/src/services/MockPermissionsService.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockPermissionsService.test.ts
rename to packages/backend-test-utils/src/services/MockPermissionsService.test.ts
diff --git a/packages/backend-test-utils/src/next/services/MockPermissionsService.ts b/packages/backend-test-utils/src/services/MockPermissionsService.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockPermissionsService.ts
rename to packages/backend-test-utils/src/services/MockPermissionsService.ts
diff --git a/packages/backend-test-utils/src/next/services/MockRootLoggerService.test.ts b/packages/backend-test-utils/src/services/MockRootLoggerService.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockRootLoggerService.test.ts
rename to packages/backend-test-utils/src/services/MockRootLoggerService.test.ts
diff --git a/packages/backend-test-utils/src/next/services/MockRootLoggerService.ts b/packages/backend-test-utils/src/services/MockRootLoggerService.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockRootLoggerService.ts
rename to packages/backend-test-utils/src/services/MockRootLoggerService.ts
diff --git a/packages/backend-test-utils/src/next/services/MockUserInfoService.test.ts b/packages/backend-test-utils/src/services/MockUserInfoService.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockUserInfoService.test.ts
rename to packages/backend-test-utils/src/services/MockUserInfoService.test.ts
diff --git a/packages/backend-test-utils/src/next/services/MockUserInfoService.ts b/packages/backend-test-utils/src/services/MockUserInfoService.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/MockUserInfoService.ts
rename to packages/backend-test-utils/src/services/MockUserInfoService.ts
diff --git a/packages/backend-test-utils/src/next/services/index.ts b/packages/backend-test-utils/src/services/index.ts
similarity index 83%
rename from packages/backend-test-utils/src/next/services/index.ts
rename to packages/backend-test-utils/src/services/index.ts
index 347c50aaee..73f179ca41 100644
--- a/packages/backend-test-utils/src/next/services/index.ts
+++ b/packages/backend-test-utils/src/services/index.ts
@@ -13,6 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-export { mockServices, type ServiceMock } from './mockServices';
+export { mockServices } from './mockServices';
 export { mockCredentials } from './mockCredentials';
-export { type MockActionsRegistry } from './MockActionsRegistry';
+export { type ServiceMock } from './simpleMock';
diff --git a/packages/backend-test-utils/src/next/services/mockCredentials.test.ts b/packages/backend-test-utils/src/services/mockCredentials.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/mockCredentials.test.ts
rename to packages/backend-test-utils/src/services/mockCredentials.test.ts
diff --git a/packages/backend-test-utils/src/next/services/mockCredentials.ts b/packages/backend-test-utils/src/services/mockCredentials.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/mockCredentials.ts
rename to packages/backend-test-utils/src/services/mockCredentials.ts
diff --git a/packages/backend-test-utils/src/next/services/mockServices.test.ts b/packages/backend-test-utils/src/services/mockServices.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/services/mockServices.test.ts
rename to packages/backend-test-utils/src/services/mockServices.test.ts
diff --git a/packages/backend-test-utils/src/next/services/mockServices.ts b/packages/backend-test-utils/src/services/mockServices.ts
similarity index 90%
rename from packages/backend-test-utils/src/next/services/mockServices.ts
rename to packages/backend-test-utils/src/services/mockServices.ts
index a44bf912e7..06bf8f9a29 100644
--- a/packages/backend-test-utils/src/next/services/mockServices.ts
+++ b/packages/backend-test-utils/src/services/mockServices.ts
@@ -55,10 +55,8 @@ import { MockRootLoggerService } from './MockRootLoggerService';
 import { MockUserInfoService } from './MockUserInfoService';
 import { mockCredentials } from './mockCredentials';
 import { MockEventsService } from './MockEventsService';
-import { actionsServiceFactory } from '@backstage/backend-defaults/actions';
-import { actionsRegistryServiceFactory } from '@backstage/backend-defaults/actionsRegistry';
 import { MockPermissionsService } from './MockPermissionsService';
-import { MockActionsRegistry } from './MockActionsRegistry';
+import { simpleMock } from './simpleMock';
 
 /** @internal */
 function createLoggerMock() {
@@ -95,43 +93,6 @@ function simpleFactoryWithOptions<
     ((...options: TOptions) => ServiceFactory<TService, TScope>);
 }
 
-/** @public */
-export type ServiceMock<TService> = {
-  factory: ServiceFactory<TService>;
-} & {
-  [Key in keyof TService]: TService[Key] extends (
-    ...args: infer Args
-  ) => infer Return
-    ? TService[Key] & jest.MockInstance<Return, Args>
-    : TService[Key];
-};
-
-/** @internal */
-function simpleMock<TService>(
-  ref: ServiceRef<TService, any>,
-  mockFactory: () => jest.Mocked<TService>,
-): (partialImpl?: Partial<TService>) => ServiceMock<TService> {
-  return partialImpl => {
-    const mock = mockFactory();
-    if (partialImpl) {
-      for (const [key, impl] of Object.entries(partialImpl)) {
-        if (typeof impl === 'function') {
-          (mock as any)[key].mockImplementation(impl);
-        } else {
-          (mock as any)[key] = impl;
-        }
-      }
-    }
-    return Object.assign(mock, {
-      factory: createServiceFactory({
-        service: ref,
-        deps: {},
-        factory: () => mock,
-      }),
-    }) as ServiceMock<TService>;
-  };
-}
-
 /**
  * Mock implementations of the core services, to be used in tests.
  *
@@ -553,28 +514,6 @@ export namespace mockServices {
       search: jest.fn(),
     }));
   }
-  export namespace actions {
-    export const factory = () => actionsServiceFactory;
-    export const mock = simpleMock(coreServices.actions, () => ({
-      list: jest.fn(),
-      invoke: jest.fn(),
-    }));
-  }
-
-  export function actionsRegistry(options?: {
-    logger: LoggerService;
-  }): MockActionsRegistry {
-    return MockActionsRegistry.create({
-      logger: options?.logger ?? mockServices.logger.mock(),
-    });
-  }
-
-  export namespace actionsRegistry {
-    export const factory = () => actionsRegistryServiceFactory;
-    export const mock = simpleMock(coreServices.actionsRegistry, () => ({
-      register: jest.fn(),
-    }));
-  }
 
   /**
    * Creates a functional mock implementation of the
diff --git a/packages/backend-test-utils/src/services/simpleMock.ts b/packages/backend-test-utils/src/services/simpleMock.ts
new file mode 100644
index 0000000000..484969f235
--- /dev/null
+++ b/packages/backend-test-utils/src/services/simpleMock.ts
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {
+  createServiceFactory,
+  ServiceFactory,
+  ServiceRef,
+} from '@backstage/backend-plugin-api';
+
+/** @public */
+export type ServiceMock<TService> = {
+  factory: ServiceFactory<TService>;
+} & {
+  [Key in keyof TService]: TService[Key] extends (
+    ...args: infer Args
+  ) => infer Return
+    ? TService[Key] & jest.MockInstance<Return, Args>
+    : TService[Key];
+};
+
+/** @internal */
+export function simpleMock<TService>(
+  ref: ServiceRef<TService, any>,
+  mockFactory: () => jest.Mocked<TService>,
+): (partialImpl?: Partial<TService>) => ServiceMock<TService> {
+  return partialImpl => {
+    const mock = mockFactory();
+    if (partialImpl) {
+      for (const [key, impl] of Object.entries(partialImpl)) {
+        if (typeof impl === 'function') {
+          (mock as any)[key].mockImplementation(impl);
+        } else {
+          (mock as any)[key] = impl;
+        }
+      }
+    }
+    return Object.assign(mock, {
+      factory: createServiceFactory({
+        service: ref,
+        deps: {},
+        factory: () => mock,
+      }),
+    }) as ServiceMock<TService>;
+  };
+}
diff --git a/packages/backend-test-utils/src/util/errorHandler.ts b/packages/backend-test-utils/src/util/errorHandler.ts
index f534823f50..79f4d8fd04 100644
--- a/packages/backend-test-utils/src/util/errorHandler.ts
+++ b/packages/backend-test-utils/src/util/errorHandler.ts
@@ -15,7 +15,7 @@
  */
 
 import { MiddlewareFactory } from '@backstage/backend-defaults/rootHttpRouter';
-import { mockServices } from '../next';
+import { mockServices } from '../services';
 
 /**
  * A mock for error handler middleware that can be used in router tests.
diff --git a/packages/backend-test-utils/src/next/wiring/ServiceFactoryTester.test.ts b/packages/backend-test-utils/src/wiring/ServiceFactoryTester.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/wiring/ServiceFactoryTester.test.ts
rename to packages/backend-test-utils/src/wiring/ServiceFactoryTester.test.ts
diff --git a/packages/backend-test-utils/src/next/wiring/ServiceFactoryTester.ts b/packages/backend-test-utils/src/wiring/ServiceFactoryTester.ts
similarity index 97%
rename from packages/backend-test-utils/src/next/wiring/ServiceFactoryTester.ts
rename to packages/backend-test-utils/src/wiring/ServiceFactoryTester.ts
index 83a6a42307..2b49abc88f 100644
--- a/packages/backend-test-utils/src/next/wiring/ServiceFactoryTester.ts
+++ b/packages/backend-test-utils/src/wiring/ServiceFactoryTester.ts
@@ -20,7 +20,7 @@ import { defaultServiceFactories } from './TestBackend';
 // This is a relative import in order to make sure that the implementation is duplicated
 // rather than leading to an import from @backstage/backend-app-api.
 // eslint-disable-next-line @backstage/no-relative-monorepo-imports
-import { ServiceRegistry } from '../../../../backend-app-api/src/wiring/ServiceRegistry';
+import { ServiceRegistry } from '../../../backend-app-api/src/wiring/ServiceRegistry';
 
 /**
  * Options for {@link ServiceFactoryTester}.
diff --git a/packages/backend-test-utils/src/next/wiring/TestBackend.test.ts b/packages/backend-test-utils/src/wiring/TestBackend.test.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/wiring/TestBackend.test.ts
rename to packages/backend-test-utils/src/wiring/TestBackend.test.ts
diff --git a/packages/backend-test-utils/src/next/wiring/TestBackend.ts b/packages/backend-test-utils/src/wiring/TestBackend.ts
similarity index 97%
rename from packages/backend-test-utils/src/next/wiring/TestBackend.ts
rename to packages/backend-test-utils/src/wiring/TestBackend.ts
index 84042aedd8..cdfa1fc695 100644
--- a/packages/backend-test-utils/src/next/wiring/TestBackend.ts
+++ b/packages/backend-test-utils/src/wiring/TestBackend.ts
@@ -31,7 +31,7 @@ import express from 'express';
 import {
   InternalBackendFeature,
   InternalBackendRegistrations,
-} from '../../../../backend-plugin-api/src/wiring/types';
+} from '../../../backend-plugin-api/src/wiring/types';
 import {
   DefaultRootHttpRouter,
   ExtendedHttpServer,
@@ -40,6 +40,10 @@ import {
   createHttpServer,
 } from '@backstage/backend-defaults/rootHttpRouter';
 import { HostDiscovery } from '@backstage/backend-defaults/discovery';
+import {
+  actionsRegistryServiceMock,
+  actionsServiceMock,
+} from '../alpha/services';
 
 /** @public */
 export interface TestBackendOptions<TExtensionPoints extends any[]> {
@@ -84,8 +88,10 @@ export const defaultServiceFactories = [
   mockServices.userInfo.factory(),
   mockServices.urlReader.factory(),
   mockServices.events.factory(),
-  mockServices.actionsRegistry.factory(),
-  mockServices.actions.factory(),
+
+  // Alpha services
+  actionsRegistryServiceMock.factory(),
+  actionsServiceMock.factory(),
 ];
 
 /**
diff --git a/packages/backend-test-utils/src/next/wiring/index.ts b/packages/backend-test-utils/src/wiring/index.ts
similarity index 100%
rename from packages/backend-test-utils/src/next/wiring/index.ts
rename to packages/backend-test-utils/src/wiring/index.ts