Payment reconciliation: how to verify that sales, captures, and settlement match
Learn how to reconcile orders, charges, captures, fees, refunds, and settlements to explain financial discrepancies with a traceable record.
Payments on Black Friday 2026: what to test before peak sales
Prepare payments for Black Friday with load, Pix, card, timeout, and webhook tests, plus recovery and reconciliation criteria.
Payment decline codes: soft declines, hard declines, and technical errors
Understand soft declines, hard declines, and technical failures, and classify them to guide retries, authentication, routing, and customer experience.
Payment observability: finding where and why a transaction failed
Logs, metrics, traces, and states for investigating failures, latency, and performance in multi-PSP payment infrastructure.
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.
Payment webhooks: preventing duplicate events and inconsistent states
Learn to authenticate, deduplicate, and process payment webhooks with idempotency, retries, ordering, and observability.