Strava

Register your OAuth2 app in api settings page:

https://strava.com/settings/api

In this page you will get your key and secret

Development callback URL (only the domain is required on strava.com/settings/api)

http://example.com/accounts/strava/login/callback/

For more information: Strava auth documentation: https://developers.strava.com/docs/authentication/ API documentation: https://developers.strava.com/docs/reference/