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
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.
2026-04-27
Troubleshooting
Plan
Developer portal
The developer portal is not shown while on the Free plan
What to check when the ReceiptRoller developer portal is not shown. Explains what to do when your plan is Free, switching business accounts, and the timing of when the display updates.