Codeforces: OpenID Connect

Revision en4, by kuviman, 2025-08-14 21:43:52

Hello everyone!

Today we announce that Codeforces now supports OpenID Connect — authentication protocol based on the OAuth 2.0. This allows third-party websites to implement logging in with Codeforces.

If you want to implement this for yourself, create an OAuth app in API settings.

Codeforces includes user's handle, current rating and avatar url as part of the id token.

Let us know if you hit any issues!

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en5 English kuviman 2025-08-15 00:48:34 0 (published)
en4 English kuviman 2025-08-14 21:43:52 75
en3 English kuviman 2025-08-14 21:16:49 446
en2 English kuviman 2025-08-14 21:10:11 1 Tiny change: '![](/predown' -> '![ ](/predown'
en1 English kuviman 2025-08-14 21:09:53 96 Initial revision (saved to drafts)