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Product updates, payment architecture notes and practical guides from the Pay Engineers team.

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Browse all published posts from the team.

All Payment infrastructure (6) Regulation & compliance (5) Product & strategy (4) Security & risk (3) Engineering (4)

Regulation & compliance

Open banking readiness for product teams

Consent UX, AIS data quality and PIS failure modes you should design for from day one, not retrofit after launch. A practical guide to normalising ASPSP quirks, handling partial failures gracefully, and expanding coverage without breaking success rates.

29/06/2026 5 min 962 0

Product & strategy

White-label payments: brand speed without architecture debt

White-label suites let banks and platforms launch quickly under their own brand, but poorly scoped programmes create coupling that is very hard to reverse later. We explain how to demand clear tenancy boundaries and design a genuine path to deeper ownership.

28/06/2026 5 min 4,813 0

Engineering

Migrating between PSPs without a big-bang cutover

Big-bang PSP cutovers are how outages happen, and traffic-shifting migrations with clear rollback plans consistently outperform weekend deploys. We explain dual-running, cohort-based migration and the credential isolation that keeps a provider switch low-drama for merchants.

27/06/2026 5 min 419 0

Payment infrastructure

Cross-border payouts: corridor design before code

Global payouts fail predictably when teams try to support every country on day one instead of ranking corridors deliberately by volume, margin and compliance complexity. We explain how to select partners per corridor and design orchestration that scales without rewriting your core ledger.

24/06/2026 5 min 2,031 0