Telegram OpenID API Test

Express backend · Authorization Code + PKCE · HTTP-only session

Session Checking...

Actions

BotFather URL
Cookie app_session
Origin

Response


        

      


      

        
Lesson API examples

        

          
// Public: no authentication required
const lessons = await fetch('/lessons')
  .then((response) => response.json());

          
// Private: sends the app_session cookie
const lesson = await fetch('/lesson/1', {
  credentials: 'include',
}).then((response) => response.json());