Wso2 Registered Callback Does Not Match With | The Provided Url

If you have spent any time configuring Single Sign-On (SSO) or OAuth2 in WSO2 Identity Server (IS) or API Manager (APIM), you have likely encountered this frustrating red error message: "Registered Callback Does Not Match with the Provided URL." You stare at your screen. You check the URL. You know it is correct. Yet, WSO2 refuses to play ball.

https://app.example.com/v1/auth/callback Enter the pattern using the regexp prefix: If you have spent any time configuring Single

When in doubt, use Regex for callbacks that have variable query parameters, and always double-check for trailing slashes. If you have spent any time configuring Single

Have you found a bizarre callback mismatch scenario not listed here? Let me know in the comments below If you have spent any time configuring Single