diff --git a/server/lib/prosody/config.ts b/server/lib/prosody/config.ts
index e8fdfe20..e6c21ffa 100644
--- a/server/lib/prosody/config.ts
+++ b/server/lib/prosody/config.ts
@@ -1,6 +1,6 @@
 import * as fs from 'fs'
 import * as path from 'path'
-import { pluginName } from '../helpers'
+import { pluginName, getBaseRouter } from '../helpers'
 
 type LogMode = 'debug' | 'info'
 
@@ -114,15 +114,15 @@ async function getProsodyConfig (options: RegisterServerOptions): Promise<Prosod
 
   const mucModules: ProsodyModuleConfig[] = []
 
-  // mucModules.push({
-  //   module: 'muc_http_defaults',
-  //   options: [
-  //     {
-  //       name: 'muc_create_api_url',
-  //       value: '' // FIXME
-  //     }
-  //   ]
-  // })
+  mucModules.push({
+    module: 'muc_http_defaults',
+    options: [
+      {
+        name: 'muc_create_api_url',
+        value: options.peertubeHelpers.config.getWebserverUrl() + getBaseRouter() + 'api/room'
+      }
+    ]
+  })
 
   const mucModulesEnabled: string = mucModules.map(m => '    "' + m.module + '";').join('\n')
   const mucModulesOptions: string = mucModules.map(m => {
diff --git a/server/lib/routers/api.ts b/server/lib/routers/api.ts
new file mode 100644
index 00000000..d61ff1da
--- /dev/null
+++ b/server/lib/routers/api.ts
@@ -0,0 +1,43 @@
+import type { Router, Request, Response, NextFunction } from 'express'
+
+// See here for description: https://modules.prosody.im/mod_muc_http_defaults.html
+interface RoomDefaults {
+  name: string
+  description: string
+  // language: string
+  // persistent: boolean
+  public: boolean
+  // members_only: boolean
+  // allow_member_invites: boolean
+  // public_jids: boolean
+  subject: string
+  // changesubject: boolean
+  // // historylength: number
+  // moderated: boolean
+  // archiving: boolean
+  // affiliations: RoomAffiliation[]
+}
+
+async function initApiRouter (options: RegisterServerOptions): Promise<Router> {
+  const { peertubeHelpers, getRouter } = options
+  const router = getRouter()
+  const logger = peertubeHelpers.logger
+
+  router.get('/room', async (_req: Request, res: Response, _next: NextFunction) => {
+    logger.info('Requesting room information for room ...')
+    // TODO: check if room is legit and fill informations
+    const roomDefaults: RoomDefaults = {
+      name: 'name_of_the_room',
+      description: 'room description',
+      public: false,
+      subject: 'subject'
+    }
+    res.json(roomDefaults)
+  })
+
+  return router
+}
+
+export {
+  initApiRouter
+}
diff --git a/server/lib/routers/index.ts b/server/lib/routers/index.ts
index 15b3a5c3..a4972627 100644
--- a/server/lib/routers/index.ts
+++ b/server/lib/routers/index.ts
@@ -1,6 +1,7 @@
 import type { NextFunction, Request, Response } from 'express'
 import { initWebchatRouter } from './webchat'
 import { initSettingsRouter } from './settings'
+import { initApiRouter } from './api'
 
 async function initRouters (options: RegisterServerOptions): Promise<void> {
   const { getRouter } = options
@@ -10,6 +11,7 @@ async function initRouters (options: RegisterServerOptions): Promise<void> {
 
   router.use('/webchat', await initWebchatRouter(options))
   router.use('/settings', await initSettingsRouter(options))
+  router.use('/api', await initApiRouter(options))
 }
 
 export {