# OAuth - Callback URLs

| service | callback URL (after the server URL) |
| ---------- | ----------------------------------- |
| bitbucket | `/auth/bitbucket/callback` |
| facebook | `/auth/facebook/callback` |
| twitter | `/auth/twitter/callback` |
| github | `/auth/github/callback` |
| gitlab | `/auth/gitlab/callback` |
| mattermost | `/auth/mattermost/callback` |
| dropbox | `/auth/dropbox/callback` |
| google | `/auth/google/callback` |
| saml | `/auth/saml/callback` |

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###### tags: `CodiMD` `Docs`