diff --git a/packages/backend-app-api/api-report.md b/packages/backend-app-api/api-report.md
new file mode 100644
index 0000000000..8c64858310
--- /dev/null
+++ b/packages/backend-app-api/api-report.md
@@ -0,0 +1,15 @@
+## API Report File for "@backstage/backend-app-api"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { AnyServiceFactory } from '@backstage/backend-plugin-api';
+import { BackendRegistrable } from '@backstage/backend-plugin-api';
+
+// Warning: (ae-forgotten-export) The symbol "CreateBackendOptions" needs to be exported by the entry point index.d.ts
+// Warning: (ae-forgotten-export) The symbol "Backend" needs to be exported by the entry point index.d.ts
+// Warning: (ae-missing-release-tag) "createBackend" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
+//
+// @public (undocumented)
+export function createBackend(options?: CreateBackendOptions): Backend;
+```
diff --git a/packages/backend-app-api/package.json b/packages/backend-app-api/package.json
index fe2d517086..ab88009d64 100644
--- a/packages/backend-app-api/package.json
+++ b/packages/backend-app-api/package.json
@@ -33,7 +33,9 @@
     "clean": "backstage-cli package clean",
     "start": "backstage-cli package start"
   },
-  "dependencies": {},
+  "dependencies": {
+    "@backstage/backend-plugin-api": "^0.0.0"
+  },
   "devDependencies": {
     "@backstage/cli": "^0.17.2-next.0"
   },
diff --git a/packages/backend-app-api/src/index.ts b/packages/backend-app-api/src/index.ts
index 1888a9b037..33aca2b291 100644
--- a/packages/backend-app-api/src/index.ts
+++ b/packages/backend-app-api/src/index.ts
@@ -20,4 +20,4 @@
  * @packageDocumentation
  */
 
-export {};
+export { createBackend } from './wiring/types';
diff --git a/packages/backend-app-api/src/wiring/BackendInitializer.ts b/packages/backend-app-api/src/wiring/BackendInitializer.ts
new file mode 100644
index 0000000000..8c2f2714c4
--- /dev/null
+++ b/packages/backend-app-api/src/wiring/BackendInitializer.ts
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2022 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 { BackendRegistrable, ServiceRef } from '@backstage/backend-plugin-api';
+import { BackendRegisterInit, ApiHolder } from './types';
+
+export class BackendInitializer {
+  #started = false;
+  #extensions = new Map<BackendRegistrable, unknown>();
+  // #stops = [];
+  #registerInits = new Array<BackendRegisterInit>();
+  #apis = new Map<ServiceRef<unknown>, unknown>();
+  #apiHolder: ApiHolder;
+
+  constructor(apiHolder: ApiHolder) {
+    this.#apiHolder = apiHolder;
+  }
+
+  async #getInitDeps(
+    deps: { [name: string]: ServiceRef<unknown> },
+    pluginId: string,
+  ) {
+    return Object.fromEntries(
+      await Promise.all(
+        Object.entries(deps).map(async ([name, apiRef]) => [
+          name,
+          this.#apis.get(apiRef) ||
+            (await this.#apiHolder.get(apiRef)!(pluginId)),
+        ]),
+      ),
+    );
+  }
+
+  add<TOptions>(extension: BackendRegistrable, options?: TOptions) {
+    if (this.#started) {
+      throw new Error(
+        'extension can not be added after the backend has started',
+      );
+    }
+    this.#extensions.set(extension, options);
+  }
+
+  async start(): Promise<void> {
+    console.log(`Starting backend`);
+    if (this.#started) {
+      throw new Error('Backend has already started');
+    }
+    this.#started = true;
+
+    for (const [extension] of this.#extensions) {
+      const provides = new Set<ServiceRef<unknown>>();
+
+      let registerInit: BackendRegisterInit | undefined = undefined;
+
+      console.log('Registering', extension.id);
+      extension.register({
+        registerExtensionPoint: (api, impl) => {
+          if (registerInit) {
+            throw new Error('registerInitApi called after registerInit');
+          }
+          if (this.#apis.has(api)) {
+            throw new Error(`API ${api.id} already registered`);
+          }
+          this.#apis.set(api, impl);
+          provides.add(api);
+        },
+        registerInit: registerOptions => {
+          if (registerInit) {
+            throw new Error('registerInit must only be called once');
+          }
+          registerInit = {
+            id: extension.id,
+            provides,
+            consumes: new Set(Object.values(registerOptions.deps)),
+            deps: registerOptions.deps,
+            init: registerOptions.init as BackendRegisterInit['init'],
+          };
+        },
+      });
+
+      if (!registerInit) {
+        throw new Error(
+          `registerInit was not called by register in ${extension.id}`,
+        );
+      }
+
+      this.#registerInits.push(registerInit);
+    }
+
+    this.validateSetup();
+
+    const orderedRegisterResults = this.#resolveInitOrder(this.#registerInits);
+
+    for (const registerInit of orderedRegisterResults) {
+      // TODO: DI
+      const deps = await this.#getInitDeps(registerInit.deps, registerInit.id);
+      await registerInit.init(deps);
+      // Maybe return stop? or lifecycle API
+      // this.#stops.push();
+    }
+  }
+
+  // async stop(): Promise<void> {
+  //   for (const stop of this.#stops) {
+  //     await stop.stop();
+  //   }
+  // }
+
+  private validateSetup() {}
+
+  #resolveInitOrder(registerInits: Array<BackendRegisterInit>) {
+    let registerInitsToOrder = registerInits.slice();
+    const orderedRegisterInits = new Array<BackendRegisterInit>();
+
+    // TODO: Validate duplicates
+
+    while (registerInitsToOrder.length > 0) {
+      const toRemove = new Set<unknown>();
+
+      for (const registerInit of registerInitsToOrder) {
+        const unInitializedDependents = Array.from(
+          registerInit.provides,
+          // eslint-disable-next-line no-loop-func
+        ).filter(r =>
+          registerInitsToOrder.some(
+            init => init !== registerInit && init.consumes.has(r),
+          ),
+        );
+
+        if (unInitializedDependents.length === 0) {
+          orderedRegisterInits.push(registerInit);
+          toRemove.add(registerInit);
+        }
+      }
+
+      registerInitsToOrder = registerInitsToOrder.filter(r => !toRemove.has(r));
+    }
+    return orderedRegisterInits;
+  }
+}
diff --git a/packages/backend-app-api/src/wiring/BackstageBackend.ts b/packages/backend-app-api/src/wiring/BackstageBackend.ts
new file mode 100644
index 0000000000..ae27c4ee05
--- /dev/null
+++ b/packages/backend-app-api/src/wiring/BackstageBackend.ts
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2022 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 {
+  BackendRegistrable,
+  AnyServiceFactory,
+} from '@backstage/backend-plugin-api';
+import { BackendInitializer } from './BackendInitializer';
+import { CoreApiRegistry } from './CoreApiRegistry';
+import { Backend } from './types';
+
+export class BackstageBackend implements Backend {
+  #coreApis: CoreApiRegistry;
+  #initializer: BackendInitializer;
+
+  constructor(apiFactories: AnyServiceFactory[]) {
+    this.#coreApis = new CoreApiRegistry(apiFactories);
+    this.#initializer = new BackendInitializer(this.#coreApis);
+  }
+
+  add(extension: BackendRegistrable): void {
+    this.#initializer.add(extension);
+  }
+
+  async start(): Promise<void> {
+    await this.#initializer.start();
+  }
+
+  // async stop(): Promise<void> {
+  //   await this.#initializer.stop();
+  // }
+}
diff --git a/packages/backend-app-api/src/wiring/CoreApiRegistry.ts b/packages/backend-app-api/src/wiring/CoreApiRegistry.ts
new file mode 100644
index 0000000000..a144fc448d
--- /dev/null
+++ b/packages/backend-app-api/src/wiring/CoreApiRegistry.ts
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2022 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 {
+  AnyServiceFactory,
+  ServiceRef,
+  FactoryFunc,
+} from '@backstage/backend-plugin-api';
+
+export class CoreApiRegistry {
+  readonly #implementations: Map<string, Map<string, unknown>>;
+  readonly #factories: Map<string, AnyServiceFactory>;
+
+  constructor(factories: AnyServiceFactory[]) {
+    this.#factories = new Map(factories.map(f => [f.service.id, f]));
+    this.#implementations = new Map();
+  }
+
+  get<T>(ref: ServiceRef<T>): FactoryFunc<T> | undefined {
+    const factory = this.#factories.get(ref.id);
+    if (!factory) {
+      return undefined;
+    }
+
+    return async (pluginId: string): Promise<T> => {
+      if (this.#implementations.has(ref.id)) {
+        if (this.#implementations.get(ref.id)!.has(pluginId)) {
+          return this.#implementations.get(ref.id)!.get(pluginId) as T;
+        }
+        this.#implementations.set(ref.id, new Map<string, unknown>());
+      } else {
+        this.#implementations.set(ref.id, new Map());
+      }
+
+      const factoryDeps = Object.fromEntries(
+        Object.entries(factory.deps).map(([name, apiRef]) => [
+          name,
+          this.get(apiRef)!, // TODO: throw
+        ]),
+      );
+
+      const factoryFunc = await factory.factory(factoryDeps);
+      const implementation = await factoryFunc(pluginId);
+
+      this.#implementations.set(
+        ref.id,
+        this.#implementations.get(ref.id)!.set(pluginId, implementation),
+      );
+
+      return implementation as T;
+    };
+  }
+}
diff --git a/packages/backend-app-api/src/wiring/types.ts b/packages/backend-app-api/src/wiring/types.ts
index cf600ba1d0..44640cbc07 100644
--- a/packages/backend-app-api/src/wiring/types.ts
+++ b/packages/backend-app-api/src/wiring/types.ts
@@ -14,14 +14,35 @@
  * limitations under the License.
  */
 
-export interface BackendApp {
-  add(registrable: BackendRegistrable): void;
+import {
+  BackendRegistrable,
+  AnyServiceFactory,
+  ServiceRef,
+  FactoryFunc,
+} from '@backstage/backend-plugin-api';
+import { BackstageBackend } from './BackstageBackend';
+
+export interface Backend {
+  add(extension: BackendRegistrable): void;
+  start(): Promise<void>;
+}
+
+export interface BackendRegisterInit {
+  id: string;
+  consumes: Set<ServiceRef<unknown>>;
+  provides: Set<ServiceRef<unknown>>;
+  deps: { [name: string]: ServiceRef<unknown> };
+  init: (deps: { [name: string]: unknown }) => Promise<void>;
 }
 
 interface CreateBackendOptions {
   apis: AnyServiceFactory[];
 }
 
+export type ApiHolder = {
+  get<T>(api: ServiceRef<T>): FactoryFunc<T> | undefined;
+};
+
 export function createBackend(options?: CreateBackendOptions): Backend {
   return new BackstageBackend(options?.apis ?? []);
 }
diff --git a/packages/backend-plugin-api/package.json b/packages/backend-plugin-api/package.json
index 967ae734ee..ccda227018 100644
--- a/packages/backend-plugin-api/package.json
+++ b/packages/backend-plugin-api/package.json
@@ -33,7 +33,9 @@
     "clean": "backstage-cli package clean",
     "start": "backstage-cli package start"
   },
-  "dependencies": {},
+  "dependencies": {
+    "@backstage/config": "^1.0.1"
+  },
   "devDependencies": {
     "@backstage/cli": "^0.17.2-next.0"
   },
diff --git a/packages/backend-plugin-api/src/index.ts b/packages/backend-plugin-api/src/index.ts
index da51896950..e82218ca69 100644
--- a/packages/backend-plugin-api/src/index.ts
+++ b/packages/backend-plugin-api/src/index.ts
@@ -21,3 +21,5 @@
  */
 
 export * from './wiring';
+export * from './services/system/types';
+export * from './services/definitions';
diff --git a/packages/backend-plugin-api/src/services/definitions/configApiRef.ts b/packages/backend-plugin-api/src/services/definitions/configApiRef.ts
new file mode 100644
index 0000000000..cca1445079
--- /dev/null
+++ b/packages/backend-plugin-api/src/services/definitions/configApiRef.ts
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2022 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 { Config } from '@backstage/config';
+import { createServiceRef } from '../system/types';
+
+export const configApiRef = createServiceRef<Config>({
+  id: 'core.config',
+});
diff --git a/packages/backend-plugin-api/src/services/definitions/httpRouterApiRef.ts b/packages/backend-plugin-api/src/services/definitions/httpRouterApiRef.ts
new file mode 100644
index 0000000000..d54ebd36bf
--- /dev/null
+++ b/packages/backend-plugin-api/src/services/definitions/httpRouterApiRef.ts
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 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 '../system/types';
+
+export interface HttpRouterApi {
+  get(path: string): void;
+}
+
+export const httpRouterApiRef = createServiceRef<HttpRouterApi>({
+  id: 'core.httpRouter',
+});
diff --git a/packages/backend-plugin-api/src/services/definitions/types.ts b/packages/backend-plugin-api/src/services/definitions/index.ts
similarity index 66%
rename from packages/backend-plugin-api/src/services/definitions/types.ts
rename to packages/backend-plugin-api/src/services/definitions/index.ts
index 8e85e1198d..b11b2f8c4e 100644
--- a/packages/backend-plugin-api/src/services/definitions/types.ts
+++ b/packages/backend-plugin-api/src/services/definitions/index.ts
@@ -14,31 +14,6 @@
  * limitations under the License.
  */
 
-interface Logger {
-  log(message: string): void;
-  child(fields: { [name: string]: string }): Logger;
-}
-
-interface ConfigApi {
-  getString(key: string): string;
-}
-
-interface HttpRouterApi {
-  get(path: string): void;
-}
-
-export const loggerApiRef = createServiceRef<Logger>({
-  id: 'core.logger',
-});
-
-export const configApiRef = createServiceRef<ConfigApi>({
-  id: 'core.config',
-});
-
-export const httpRouterApiRef = createServiceRef<HttpRouterApi>({
-  id: 'core.apiRouter',
-});
-
 // export type PluginEnvironment = {
 //   logger: Logger;
 //   cache: PluginCacheManager;
@@ -50,3 +25,9 @@ export const httpRouterApiRef = createServiceRef<HttpRouterApi>({
 //   permissions: PermissionEvaluator | PermissionAuthorizer;
 //   scheduler: PluginTaskScheduler;
 // };
+
+export { configApiRef } from './configApiRef';
+export { httpRouterApiRef } from './httpRouterApiRef';
+export type { HttpRouterApi } from './httpRouterApiRef';
+export { loggerApiRef } from './loggerApiRef';
+export type { Logger } from './loggerApiRef';
diff --git a/packages/backend-plugin-api/src/services/definitions/loggerApiRef.ts b/packages/backend-plugin-api/src/services/definitions/loggerApiRef.ts
new file mode 100644
index 0000000000..348ffc9cf4
--- /dev/null
+++ b/packages/backend-plugin-api/src/services/definitions/loggerApiRef.ts
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2022 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 '../system/types';
+
+export interface Logger {
+  log(message: string): void;
+  child(fields: { [name: string]: string }): Logger;
+}
+
+export const loggerApiRef = createServiceRef<Logger>({
+  id: 'core.logger',
+});
diff --git a/packages/backend-plugin-api/src/services/system/types.ts b/packages/backend-plugin-api/src/services/system/types.ts
index 4b6b284a1d..86ad8d42f0 100644
--- a/packages/backend-plugin-api/src/services/system/types.ts
+++ b/packages/backend-plugin-api/src/services/system/types.ts
@@ -14,17 +14,56 @@
  * limitations under the License.
  */
 
+/**
+ * TODO
+ *
+ * @public
+ */
 export interface ServiceRef<T> {
   id: string;
+
+  /**
+   * Utility for getting the type of the service, using `typeof serviceRef.T`.
+   * Attempting to actually read this value will result in an exception.
+   */
   T: T;
+
+  toString(): string;
+
   $$ref: 'service';
 }
 
+type TypesToServiceRef<T> = { [key in keyof T]: ServiceRef<T[key]> };
+type DepsToDepFactories<T> = {
+  [key in keyof T]: (pluginId: string) => Promise<T[key]>;
+};
+
+export type FactoryFunc<Impl> = (pluginId: string) => Promise<Impl>;
+
+export type ServiceFactory<
+  TApi,
+  TImpl extends TApi,
+  TDeps extends { [name in string]: unknown },
+> = {
+  service: ServiceRef<TApi>;
+  deps: TypesToServiceRef<TDeps>;
+  factory(deps: DepsToDepFactories<TDeps>): Promise<FactoryFunc<TImpl>>;
+};
+
+export type AnyServiceFactory = ServiceFactory<
+  unknown,
+  unknown,
+  { [key in string]: unknown }
+>;
+
 export function createServiceRef<T>(options: { id: string }): ServiceRef<T> {
   return {
     id: options.id,
     get T(): T {
-      throw Error('NO T');
+      throw new Error(`tried to read ServiceRef.T of ${this}`);
+    },
+    toString() {
+      return `serviceRef{${options.id}}`;
     },
     $$ref: 'service', // TODO: declare
   };
diff --git a/packages/backend-plugin-api/src/wiring/index.ts b/packages/backend-plugin-api/src/wiring/index.ts
index 259fe2b2ea..9340dc8fa9 100644
--- a/packages/backend-plugin-api/src/wiring/index.ts
+++ b/packages/backend-plugin-api/src/wiring/index.ts
@@ -14,4 +14,5 @@
  * limitations under the License.
  */
 
-export { BackendRegistrable } from './types';
+export type { BackendRegistrable } from './types';
+export * from './types';
diff --git a/packages/backend-plugin-api/src/wiring/types.ts b/packages/backend-plugin-api/src/wiring/types.ts
index 32a5afba0c..746d47b355 100644
--- a/packages/backend-plugin-api/src/wiring/types.ts
+++ b/packages/backend-plugin-api/src/wiring/types.ts
@@ -14,9 +14,25 @@
  * limitations under the License.
  */
 
+import { ServiceRef } from '../services/system/types';
+
+/**
+ * TODO
+ *
+ * @public
+ */
 export interface ExtensionPoint<T> {
   id: string;
+
+  /**
+   * Utility for getting the type of the extension point, using `typeof
+   * extensionPoint.T`. Attempting to actually read this value will result in an
+   * exception.
+   */
   T: T;
+
+  toString(): string;
+
   $$ref: 'extension-point';
 }
 
@@ -26,7 +42,10 @@ export function createExtensionPoint<T>(options: {
   return {
     id: options.id,
     get T(): T {
-      throw Error('NO T');
+      throw new Error(`tried to read ExtensionPoint.T of ${this}`);
+    },
+    toString() {
+      return `extensionPoint{${options.id}}`;
     },
     $$ref: 'extension-point', // TODO: declare
   };
diff --git a/packages/backend/package.json b/packages/backend/package.json
index df6fe5ec3b..7604f1e609 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -26,6 +26,8 @@
     "build-image": "docker build ../.. -f Dockerfile --tag example-backend"
   },
   "dependencies": {
+    "@backstage/backend-plugin-api": "^0.0.0",
+    "@backstage/backend-app-api": "^0.0.0",
     "@backstage/backend-common": "^0.14.1-next.2",
     "@backstage/backend-tasks": "^0.3.3-next.2",
     "@backstage/catalog-client": "^1.0.4-next.1",
diff --git a/packages/backend/src/next/index.ts b/packages/backend/src/next/index.ts
new file mode 100644
index 0000000000..221332f6ba
--- /dev/null
+++ b/packages/backend/src/next/index.ts
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2022 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 { createBackend } from '@backstage/backend-app-api';
+import {
+  createBackendModule,
+  createBackendPlugin,
+  createServiceRef,
+} from '@backstage/backend-plugin-api';
+// import { catalogPlugin } from '@backstage/plugin-catalog-backend';
+// import { scaffolderPlugin } from '@backstage/plugin-scaffolder-backend';
+
+interface CatalogProcessor {
+  process(): void;
+}
+
+interface CatalogProcessingInitApi {
+  addProcessor(processor: CatalogProcessor): void;
+}
+
+export const catalogProcessingInitApiRef =
+  createServiceRef<CatalogProcessingInitApi>({
+    id: 'catalog.processing',
+  });
+
+class CatalogExtensionPointImpl implements CatalogProcessingInitApi {
+  #processors = new Array<CatalogProcessor>();
+
+  addProcessor(processor: CatalogProcessor): void {
+    this.#processors.push(processor);
+  }
+
+  get processors() {
+    return this.#processors;
+  }
+}
+
+export const catalogPlugin = createBackendPlugin({
+  id: 'catalog',
+  register(env) {
+    const processingExtensions = new CatalogExtensionPointImpl();
+    // plugins depending on this API will be initialized before this plugins init method is executed.
+    env.registerExtensionPoint(
+      catalogProcessingInitApiRef,
+      processingExtensions,
+    );
+
+    env.registerInit({
+      deps: {
+        // logger: loggerApiRef,
+      },
+      async init() {
+        console.log('I HAZ', processingExtensions.processors[0].process());
+        console.log('I AM le CATALOG!');
+        // logger.log('HELLO!');
+      },
+    });
+  },
+});
+
+export const scaffolderCatalogExtension = createBackendModule({
+  moduleId: 'boop',
+  pluginId: 'catalog',
+  register(env) {
+    env.registerInit({
+      deps: {
+        catalogProcessingInitApi: catalogProcessingInitApiRef,
+      },
+      async init({ catalogProcessingInitApi }) {
+        catalogProcessingInitApi.addProcessor({
+          process() {
+            console.log('Running scaffolder processor');
+          },
+        });
+      },
+    });
+  },
+});
+
+const backend = createBackend({
+  apis: [],
+});
+
+// backend.add(scaffolderPlugin());
+backend.add(catalogPlugin({}));
+backend.add(scaffolderCatalogExtension({}));
+backend.start();
diff --git a/yarn.lock b/yarn.lock
index e35aee85fb..fe5ff8cb76 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1557,6 +1557,126 @@
     lodash "^4.17.21"
     uuid "^8.0.0"
 
+"@backstage/cli@^0.17.2-next.0":
+  version "0.17.2"
+  resolved "https://registry.npmjs.org/@backstage/cli/-/cli-0.17.2.tgz#2387b8d24d8af4828b84baaa62e6b444ec4330e6"
+  integrity sha512-stRJWmokD7SXnclZ1dsVfA1stUP4PQPkbi3GkwY1zM84y4M20dU+YHde7MrTILMPnhMY+16WdTdfbeqLfXOJrw==
+  dependencies:
+    "@backstage/cli-common" "^0.1.9"
+    "@backstage/config" "^1.0.1"
+    "@backstage/config-loader" "^1.1.2"
+    "@backstage/errors" "^1.0.0"
+    "@backstage/release-manifests" "^0.0.4"
+    "@backstage/types" "^1.0.0"
+    "@hot-loader/react-dom-v16" "npm:@hot-loader/react-dom@^16.0.2"
+    "@hot-loader/react-dom-v17" "npm:@hot-loader/react-dom@^17.0.2"
+    "@manypkg/get-packages" "^1.1.3"
+    "@octokit/request" "^5.4.12"
+    "@rollup/plugin-commonjs" "^22.0.0"
+    "@rollup/plugin-json" "^4.1.0"
+    "@rollup/plugin-node-resolve" "^13.0.0"
+    "@rollup/plugin-yaml" "^3.1.0"
+    "@spotify/eslint-config-base" "^13.0.0"
+    "@spotify/eslint-config-react" "^13.0.0"
+    "@spotify/eslint-config-typescript" "^13.0.0"
+    "@sucrase/jest-plugin" "^2.1.1"
+    "@sucrase/webpack-loader" "^2.0.0"
+    "@svgr/plugin-jsx" "6.2.x"
+    "@svgr/plugin-svgo" "6.2.x"
+    "@svgr/rollup" "6.2.x"
+    "@svgr/webpack" "6.2.x"
+    "@types/webpack-env" "^1.15.2"
+    "@typescript-eslint/eslint-plugin" "^5.9.0"
+    "@typescript-eslint/parser" "^5.9.0"
+    "@yarnpkg/lockfile" "^1.1.0"
+    "@yarnpkg/parsers" "^3.0.0-rc.4"
+    bfj "^7.0.2"
+    buffer "^6.0.3"
+    chalk "^4.0.0"
+    chokidar "^3.3.1"
+    commander "^9.1.0"
+    css-loader "^6.5.1"
+    diff "^5.0.0"
+    esbuild "^0.14.10"
+    esbuild-loader "^2.18.0"
+    eslint "^8.6.0"
+    eslint-config-prettier "^8.3.0"
+    eslint-formatter-friendly "^7.0.0"
+    eslint-plugin-deprecation "^1.3.2"
+    eslint-plugin-import "^2.25.4"
+    eslint-plugin-jest "^26.1.2"
+    eslint-plugin-jsx-a11y "^6.5.1"
+    eslint-plugin-monorepo "^0.3.2"
+    eslint-plugin-react "^7.28.0"
+    eslint-plugin-react-hooks "^4.3.0"
+    eslint-webpack-plugin "^3.1.1"
+    express "^4.17.1"
+    fork-ts-checker-webpack-plugin "^7.0.0-alpha.8"
+    fs-extra "10.1.0"
+    glob "^7.1.7"
+    global-agent "^3.0.0"
+    handlebars "^4.7.3"
+    html-webpack-plugin "^5.3.1"
+    inquirer "^8.2.0"
+    jest "^27.5.1"
+    jest-css-modules "^2.1.0"
+    jest-runtime "^27.5.1"
+    jest-transform-yaml "^1.0.0"
+    json-schema "^0.4.0"
+    lodash "^4.17.21"
+    mini-css-extract-plugin "^2.4.2"
+    minimatch "5.1.0"
+    node-fetch "^2.6.7"
+    node-libs-browser "^2.2.1"
+    npm-packlist "^5.0.0"
+    ora "^5.3.0"
+    postcss "^8.1.0"
+    process "^0.11.10"
+    react-dev-utils "^12.0.0-next.60"
+    react-hot-loader "^4.13.0"
+    recursive-readdir "^2.2.2"
+    replace-in-file "^6.0.0"
+    rollup "^2.60.2"
+    rollup-plugin-dts "^4.0.1"
+    rollup-plugin-esbuild "^4.7.2"
+    rollup-plugin-postcss "^4.0.0"
+    rollup-pluginutils "^2.8.2"
+    run-script-webpack-plugin "^0.0.14"
+    semver "^7.3.2"
+    style-loader "^3.3.1"
+    sucrase "^3.20.2"
+    tar "^6.1.2"
+    terser-webpack-plugin "^5.1.3"
+    util "^0.12.3"
+    webpack "^5.66.0"
+    webpack-dev-server "^4.7.3"
+    webpack-node-externals "^3.0.0"
+    yaml "^1.10.0"
+    yml-loader "^2.1.0"
+    yn "^4.0.0"
+    zod "^3.11.6"
+
+"@backstage/config-loader@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.npmjs.org/@backstage/config-loader/-/config-loader-1.1.2.tgz#72cb0d7b2647f5a646bb279360bc34732e06521f"
+  integrity sha512-c5ZO7xDJn609DBIsYAWGE5kgh+7SPYUmG2ADtVX9SbXaql3VCafGlhc2hAZQa/O12W04qi3GgwGg0bqSFmx5uw==
+  dependencies:
+    "@backstage/cli-common" "^0.1.9"
+    "@backstage/config" "^1.0.1"
+    "@backstage/errors" "^1.0.0"
+    "@backstage/types" "^1.0.0"
+    "@types/json-schema" "^7.0.6"
+    ajv "^8.10.0"
+    chokidar "^3.5.2"
+    fs-extra "10.1.0"
+    json-schema "^0.4.0"
+    json-schema-merge-allof "^0.8.1"
+    json-schema-traverse "^1.0.0"
+    node-fetch "^2.6.7"
+    typescript-json-schema "^0.53.0"
+    yaml "^1.9.2"
+    yup "^0.32.9"
+
 "@backstage/core-components@^0.9.0", "@backstage/core-components@^0.9.5":
   version "0.9.5"
   resolved "https://registry.npmjs.org/@backstage/core-components/-/core-components-0.9.5.tgz#5a0b34867aaee0549bfa67b39a69c09588fa3c7a"
@@ -5555,7 +5675,7 @@
   dependencies:
     "@rollup/pluginutils" "^3.0.8"
 
-"@rollup/plugin-node-resolve@^13.0.6":
+"@rollup/plugin-node-resolve@^13.0.0", "@rollup/plugin-node-resolve@^13.0.6":
   version "13.3.0"
   resolved "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-13.3.0.tgz#da1c5c5ce8316cef96a2f823d111c1e4e498801c"
   integrity sha512-Lus8rbUo1eEcnS4yTFKLZrVumLPY+YayBdWXgFSHYhTT2iJbMhoaaBL3xl5NCdeRytErGr8tZ0L71BMRmnlwSw==
@@ -20504,6 +20624,11 @@ path-case@^3.0.4:
     dot-case "^3.0.4"
     tslib "^2.0.3"
 
+path-equal@1.1.2:
+  version "1.1.2"
+  resolved "https://registry.npmjs.org/path-equal/-/path-equal-1.1.2.tgz#260e7c449c4c2022f68cc5fa6e617e892858250d"
+  integrity sha512-p5kxPPwCdbf5AdXzT1bUBJomhgBlEjRBavYNr1XUpMFIE4Hnf2roueCMXudZK5tnaAu1tTmp3GPzqwJK45IHEA==
+
 path-equal@^1.1.2:
   version "1.2.2"
   resolved "https://registry.npmjs.org/path-equal/-/path-equal-1.2.2.tgz#fa2997f0a829de22ec8f5f86461ca5590d49b832"
@@ -23028,6 +23153,11 @@ run-parallel@^1.1.9:
   resolved "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.9.tgz#c9dd3a7cf9f4b2c4b6244e173a6ed866e61dd679"
   integrity sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==
 
+run-script-webpack-plugin@^0.0.14:
+  version "0.0.14"
+  resolved "https://registry.npmjs.org/run-script-webpack-plugin/-/run-script-webpack-plugin-0.0.14.tgz#fe2362b32c1dab7a8af7a6f1246fc043690cedd7"
+  integrity sha512-DXe6lzzEVXjBr/74zd4m4yOfmz5P6GMjzhQxDDsViOmwG7cap8UCE6RgD5rT7zf4wM83a+ToHnpB3v4efUv5IA==
+
 run-script-webpack-plugin@^0.1.0:
   version "0.1.1"
   resolved "https://registry.npmjs.org/run-script-webpack-plugin/-/run-script-webpack-plugin-0.1.1.tgz#dad3114be32eb864d2160306e4d9c52a2c1cfd59"
@@ -25311,6 +25441,20 @@ typedarray@^0.0.6:
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typescript-json-schema@^0.53.0:
+  version "0.53.1"
+  resolved "https://registry.npmjs.org/typescript-json-schema/-/typescript-json-schema-0.53.1.tgz#9204547f3e145169b40928998366ff6d28b81d32"
+  integrity sha512-Hg+RnOKUd38MOzC0rDft03a8xvwO+gCcj1F77smw2tCoZYQpFoLtrXWBGdvCX+REliko5WYel2kux17HPFqjLQ==
+  dependencies:
+    "@types/json-schema" "^7.0.9"
+    "@types/node" "^16.9.2"
+    glob "^7.1.7"
+    path-equal "1.1.2"
+    safe-stable-stringify "^2.2.0"
+    ts-node "^10.2.1"
+    typescript "~4.6.0"
+    yargs "^17.1.1"
+
 typescript-json-schema@^0.54.0:
   version "0.54.0"
   resolved "https://registry.npmjs.org/typescript-json-schema/-/typescript-json-schema-0.54.0.tgz#b3fc42ad90df6a0f6ab57571ebc8b4d41125df4f"