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Stytch Callback URL Mismatch

The callback URL does not match the one registered in the Stytch dashboard.

Understanding Stytch and Its Purpose

Stytch is a modern authentication provider designed to simplify the process of integrating secure authentication mechanisms into applications. It offers a suite of APIs that enable developers to implement passwordless authentication, multi-factor authentication, and other security features with ease. By leveraging Stytch, developers can focus on building their core application features without worrying about the complexities of authentication.

Identifying the Symptom: Callback URL Mismatch

One common issue developers encounter when using Stytch is the 'Callback URL Mismatch' error. This error typically manifests when attempting to authenticate users, and the application fails to redirect correctly after the authentication process. The error message may appear in your application logs or as an error response from the Stytch API.

Exploring the Issue: What Causes Callback URL Mismatch?

The 'Callback URL Mismatch' error occurs when the callback URL specified in your application's authentication request does not match the URL registered in the Stytch dashboard. This mismatch can happen due to typos, incorrect environment configurations, or changes in the application's URL structure that were not updated in the Stytch dashboard.

Common Scenarios Leading to Mismatch

  • Typos in the callback URL during configuration.
  • Changes in the application's domain or path that are not reflected in the Stytch settings.
  • Using different callback URLs for development and production environments without updating the Stytch dashboard accordingly.

Steps to Fix the Callback URL Mismatch

Resolving the 'Callback URL Mismatch' error involves ensuring that the callback URL in your application matches the one configured in the Stytch dashboard. Follow these steps to address the issue:

Step 1: Verify the Callback URL in Your Application

Check the callback URL specified in your application's authentication request. Ensure it is correctly formatted and matches the intended URL for redirection after authentication.

Step 2: Update the Stytch Dashboard

Log in to your Stytch dashboard and navigate to the application settings. Locate the section where callback URLs are configured and verify that the registered URL matches the one used in your application.

Step 3: Handle Environment-Specific URLs

If your application uses different URLs for development, staging, and production environments, ensure that each environment's callback URL is registered in the Stytch dashboard. You can add multiple callback URLs to accommodate different environments.

Step 4: Test the Configuration

After updating the callback URL settings, test the authentication flow to ensure the issue is resolved. Monitor the application logs and Stytch API responses to confirm that the error no longer occurs.

Additional Resources

For more information on configuring callback URLs and handling authentication errors, refer to the Stytch Documentation. If you continue to experience issues, consider reaching out to Stytch Support for further assistance.

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