diff --git a/api/src/app.ts b/api/src/app.ts
index 9b4a05f7d44..7f85f830d0c 100644
--- a/api/src/app.ts
+++ b/api/src/app.ts
@@ -21,6 +21,7 @@ import jwtAuthz from './plugins/fastify-jwt-authz';
 import security from './plugins/security';
 import sessionAuth from './plugins/session-auth';
 import { settingRoutes } from './routes/settings';
+import { deprecatedEndpoints } from './routes/deprecated-endpoints';
 import { auth0Routes, devLoginCallback } from './routes/auth';
 import { testMiddleware } from './middleware';
 import prismaPlugin from './db/prisma';
@@ -121,6 +122,7 @@ export const build = async (
     void fastify.register(devLoginCallback, { prefix: '/auth' });
   }
   void fastify.register(settingRoutes);
+  void fastify.register(deprecatedEndpoints);
 
   return fastify;
 };
diff --git a/api/src/routes/deprecated-endpoints.test.ts b/api/src/routes/deprecated-endpoints.test.ts
new file mode 100644
index 00000000000..a62195cc386
--- /dev/null
+++ b/api/src/routes/deprecated-endpoints.test.ts
@@ -0,0 +1,33 @@
+import request from 'supertest';
+
+import { build } from '../app';
+import { endpoints } from './deprecated-endpoints';
+
+describe('Deprecated endpoints', () => {
+  let fastify: undefined | Awaited<ReturnType<typeof build>>;
+
+  beforeAll(async () => {
+    fastify = await build();
+    await fastify.ready();
+  }, 20000);
+
+  afterAll(async () => {
+    await fastify?.close();
+  });
+
+  endpoints.forEach(([endpoint, method]) => {
+    test(`${method} ${endpoint} returns 410 status code with "info" message`, async () => {
+      const response = await request(fastify?.server)[
+        method.toLowerCase() as 'get' | 'post'
+      ](endpoint);
+
+      expect(response.status).toBe(410);
+      expect(response.body).toStrictEqual({
+        message: {
+          type: 'info',
+          message: 'Please reload the app, this feature is no longer available.'
+        }
+      });
+    });
+  });
+});
diff --git a/api/src/routes/deprecated-endpoints.ts b/api/src/routes/deprecated-endpoints.ts
new file mode 100644
index 00000000000..51d73270c37
--- /dev/null
+++ b/api/src/routes/deprecated-endpoints.ts
@@ -0,0 +1,49 @@
+import {
+  FastifyPluginCallbackTypebox,
+  Type
+} from '@fastify/type-provider-typebox';
+
+type Endpoints = [string, 'GET' | 'POST'][];
+
+export const endpoints: Endpoints = [
+  ['/refetch-user-completed-challenges', 'POST'],
+  ['/certificate/verify-can-claim-cert', 'GET'],
+  ['/api/github', 'GET']
+];
+
+export const deprecatedEndpoints: FastifyPluginCallbackTypebox = (
+  fastify,
+  _options,
+  done
+) => {
+  endpoints.forEach(([endpoint, method]) => {
+    fastify.route({
+      method,
+      url: endpoint,
+      schema: {
+        response: {
+          410: Type.Object({
+            message: Type.Object({
+              type: Type.Literal('info'),
+              message: Type.Literal(
+                'Please reload the app, this feature is no longer available.'
+              )
+            })
+          })
+        }
+      },
+      handler: async (_req, reply) => {
+        void reply.status(410);
+        return {
+          message: {
+            type: 'info',
+            message:
+              'Please reload the app, this feature is no longer available.'
+          }
+        } as const;
+      }
+    });
+  });
+
+  done();
+};