FAQ — frequently asked questions

The questions that come up most often during integration and after launch, with short answers and links to the detailed sections. This is also where the questions that depend not on the API but on the contract, the acquirer or accounting live: those tend to get stuck between support and your manager.

• One-time payments — signature, callbacks, invoice deduplication, going live.
• Subscriptions — signature, activation channels, callbacks and the charging cycle.
• Limits, receipts and reconciliation — acquirer and operator limits, fiscalisation, reconciliation reports, network allowlists.