If you're a developer, you must make HTTP requests to the *.truelayer.com
endpoints in your backend.
If those requests are made in the browser (front-end), you should get an error like this:
Solution
- Ensure that HTTP requests to
*.truelayer.com
are made in the backend so that no tokens are intercepted. - Check if there are any extensions in the browser that are changing HTTP requests, such as this one.