Inside Pix: payment requests, QR codes, confirmation, refunds, and webhooks
Understand Pix payment requests, QR codes, txid, EndToEndId, confirmation, refunds, webhooks, and reconciliation for a robust commercial integration.
Chargebacks: disputes, evidence, prevention, and the post-sale lifecycle
Understand chargebacks, dispute reasons, evidence, representment, prevention, reconciliation, and how risk continues after capture.
Partial authorization, partial capture, and multiple captures: when the final amount changes
Understand partial authorization, partial capture, multiple captures, authorization adjustments, and how to model amounts that change throughout a payment.
Gateway, PSP, acquirer, and sub-acquirer: who does what in payments
Understand the differences between gateways, PSPs, acquirers, and sub-acquirers and where each role fits into payment architecture.
Payment transaction states: authorization, capture, cancellation, reversal, and refunds
Understand a payment transaction’s lifecycle, the differences between authorization, capture, cancellation, and refunds, and why intermediate states matter.