Troubleshooting: Redirect_uri does not match client settings
Problem:
On occasion, you may experience an error in Canvas Badges/Credentials. If you encounter the following error, it's likely your Canvas admin needs to create a developer key to connect to the specified Canvas Credentials server.
while(1);{"error":"invalid_request","error_description":"redirect_uri does not match client settings"}
This issue typically applies to self-hosted instances of Canvas.