23 results
(Page 2 of 2)
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
API
Error codes
Retry
HTTP status
Error codes and retry guidance
The status codes and error body shapes the ReceiptRoller API returns, token endpoint errors, and which failures to retry and how.
2026-06-11
API
OAuth
Reservations
Slots
Menus
Tables
Status
Android
iOS
Using the Reservations API
How to read, create, change, move and update the status of reservations, generate slots, and read menus, settings, tables and monthly counts.