Auth0 Support Center - Callback URL Mismatch Error “{URL} is not in the list of allowed callback URLs”

Callback URL Mismatch Error “{URL} is not in the list of allowed callback URLs”

Sep 10, 2025

Overview

When attempting to login to a new application, an error appears that states:

{URL} is not in the list of allowed callback URLs.

This article details how to get past this error.

Applies To

Callback URL
Applications

Cause

This error occurs if the value of the redirect_uri parameter in the /authorize request does not match one of the Allowed Callback URLs configured for the application.

Solution

To resolve this error, complete the following steps:

Go to the Dashboard and then to the Application page.
In Application Settings, scroll down to the Application URIs section.
Enter the URL value of the redirect_uri parameter in the Allowed Callback URLs field.

Review the following video for a visual demonstration of resolving this error.