service · inferred from evidence
Allowed Callback URLs
A configuration setting in Auth0 for permitted callback URLs in OAuth flows.
- 401 Unauthorized from /oauth/token (Failed exchange) following the React quickstart
Check the application type in your Auth0 dashboard: for auth0-spa-js it must be a Single Page Application. A machine-to-machine app cannot be converted to another type, so create a new SPA application and use its client ID; reporters confir