PSPs, acquiring and payments
Integration of payment service providers (PSPs), acquiring and payment channels: e-commerce, POS, tap-to-phone, links and buttons.
Ask about this service- Technical decisions
- Authorization, confirmation, reversals, settlement and reconciliation. We review how the channel and provider connect with sales, accounting and customer support.
- Our work
- The payment flow map, application programming interfaces (APIs), event notifications (webhooks) and error handling. We coordinate requirements and testing with providers and technical teams.
- What we validate
- Approved, declined and pending payments; duplicate notifications, refunds and reconciliation differences. Tests cover scenarios supported by each provider.