Register call reports an approved transaction to the regional tax authority. The timing of the call and how failures are handled depend on the payment flow.
Single Sale
Price known at card presentation. Register fires after Sale approval, before dispensing.
Authorization + Settlement
Separate authorization and settlement calls. Register fires after Settlement, after dispensing.
Cash
Register fires after a confirmed cash sale.
Next steps
Void
Un-register a transaction when a product is not dispensed.
Retry & Timeout Handling
Configure retry behavior and timeout handling for failed registrations.
Request & Response Reference
Full field definitions and response codes for all endpoints.