X (formerly Twitter)
Allows users to authenticate using their X credentials
Preparation
The following placeholders will be used:
authentik.companyis the FQDN of the authentik install.
X
You will need to create a new project, and OAuth credentials in the X Developer console.
- Visit https://developer.X.com/ to create a new App
 - Select an environment fitting to your use-case
 - Give the app a name, for example authentik
 - Finish setting up the app by clicking App settings. Any of the API keys on this screen are not used by authentik.
 - Click the Set up button
 

- Enable OAuth 2.0
 - Set Type of App to Web
 - Set Callback URI / Redirect URL to 
https://authentik.company/source/oauth/callback/X/ - Set Website URL to 
https://authentik.company 

- Confirm with Save
 - Copy and store Client ID and Client Secret for later
 
authentik
- 
Under Directory -> Federation & Social login Click Create X OAuth Source
 - 
Name: Choose a name (For the example I use Google)
 - 
Slug: X (If you choose a different slug the URLs will need to be updated to reflect the change)
 - 
Consumer Key: Your Client ID from step 25
 - 
Consumer Secret: Your Client Secret from step 25
 
note
For more details on how-to have the new source display on the Login Page see here.