3 results
2026-04-27 Troubleshooting Webhook Delivery
Webhook is not being delivered

When a webhook does not arrive: narrow it down with a test send and the delivery log, then check the active flag, subscribed events, connection and signature.

2026-04-27 Troubleshooting 403 401 Permissions Scopes
403/401 is returned (permissions and scopes)

How to isolate the cause when an API call returns 401 or 403. Explains the typical cases: invalid token, insufficient scope, no store access permission, and User-scope review not passed.

2026-04-27 Troubleshooting Token Authentication OAuth
Cannot obtain a token (authentication error)

How to narrow down a 400 or 401 from the token endpoint, with the fix for each error and error_description, including invalid_client and invalid_grant.