# Errors > Example error response ```json { "error": "Unauthorized", "description": "Invalid or missing Bearer token Authentication header" } ``` The Arctic Core API uses the [HTTP status codes](httpstatuses.com) list. Here is some additional explenations for some of the HTTP status codes. Error Code | Meaning ---------- | ------- 401 | Unauthorized -- Your Vendor token is incorrect or missing. 403 | Forbidden -- Your Vendor token doesn't have the proper permissions for the action.