API Service Invalid Redirect URI

The redirect URI provided in the OAuth flow is invalid or not registered.

Understanding OAuth and Redirect URIs

OAuth is a widely used authorization framework that allows third-party services to exchange user information without exposing credentials. A critical component of OAuth is the redirect URI, which is used to redirect users back to your application after they have authenticated with the OAuth provider.

Identifying the Symptom: Invalid Redirect URI

When dealing with OAuth, you might encounter an error message stating 'Invalid Redirect URI'. This typically occurs during the authentication process, where the OAuth provider cannot validate the redirect URI provided by your application.

Common Error Message

The error message might look like this: Error: invalid_request - The redirect URI is not registered or is invalid.

Exploring the Issue: Why Does This Happen?

The 'Invalid Redirect URI' error arises when the redirect URI specified in your OAuth request does not match any of the URIs registered with your OAuth provider. This mismatch can occur due to typos, incorrect URI configurations, or missing registrations.

Understanding Redirect URI Requirements

Redirect URIs must be exact matches with the registered URIs. Even minor discrepancies, such as trailing slashes or mismatched protocols (HTTP vs. HTTPS), can cause this error.

Steps to Resolve the Invalid Redirect URI Issue

Resolving this issue involves verifying and correcting the redirect URI configuration. Follow these steps:

Step 1: Verify Registered Redirect URIs

Log in to your OAuth provider's developer console and navigate to the application settings. Check the list of registered redirect URIs and ensure that the URI you are using in your application is listed.

Step 2: Correct the Redirect URI in Your Application

In your application's OAuth configuration, ensure that the redirect URI matches exactly with one of the registered URIs. Pay attention to details such as protocol (HTTP/HTTPS), domain, path, and any query parameters.

Step 3: Update and Test

After making the necessary corrections, update your application configuration and test the OAuth flow again. Ensure that the authentication process completes without errors.

Additional Resources

By following these steps and ensuring your redirect URIs are correctly configured, you can resolve the 'Invalid Redirect URI' error and ensure a smooth OAuth authentication process for your users.

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