Blog

Security & risk

Fraud rules that do not destroy good customers

Naive velocity checks and blunt rule sets punish loyal, high-intent customers precisely during the sales peaks that matter most. We look at behavioural signals, allow-lists, graduated step-ups and the case management operations that make fraud a product, not a firefight.

09/07/2026 5 min 947 0

Featured

Payment infrastructure

Marketplace split payments without losing your licence narrative

Escrow, seller KYC and settlement timing are the three pillars of compliant platform payments. We explain how sub-merchant profiles, dispute freezes and transparent T&Cs keep marketplaces from quietly drifting into unlicensed money transmission.

08/07/2026 5 min 3,972 0

Regulation & compliance

PCI DSS scope reduction through tokenisation

How deliberate architecture choices shrink the cardholder data environment and turn PCI compliance from an annual scramble into a sustainable programme. We cover hosted fields, network tokens, vaults and the segmentation work that actually reduces your SAQ burden.

07/07/2026 5 min 1,506 0

Engineering

API design principles for merchant integrations

Resource naming, signed webhooks and genuinely usable sandbox credentials do more to reduce support load than any amount of documentation polish. We cover the painful integration paths — partial captures, late refunds, disputed chargebacks — that separate great payment APIs from merely functional ones.

06/07/2026 5 min 1,089 0

Payment infrastructure

SoftPOS in 2026: opportunities and certification realities

Tap-to-pay on commercial off-the-shelf devices is accelerating fast, but scheme mandates and PCI constraints still shape every delivery timeline. We look at attestation, kernel certification and the fallback UX that separates a real programme from a demo.

05/07/2026 5 min 3,284 0

Product & strategy

Checkout conversion: the quiet compounder

Latency, local method coverage and disciplined retry logic quietly outperform flashy checkout redesigns almost every time we measure it. We explain how to instrument payment-specific funnel metrics and why treating checkout as reliability work beats treating it as design work.

04/07/2026 5 min 1,284 0

Featured

Regulation & compliance

Building a licence dossier that engineers can support

Regulators ask for more than policies — they ask how your systems actually enforce them. We explain how architecture packs, data-flow maps and control matrices shorten Q&A cycles, and why compliance and engineering must write the dossier together.

03/07/2026 5 min 1,981 0

Engineering

Observability for payment systems

Infrastructure metrics alone consistently miss payment reality: authorisation rates by BIN country, 3DS challenge success and settlement file freshness tell a very different story than CPU graphs. We explain how to trace across acquirer dependencies and alert on customer impact instead of noise.

02/07/2026 5 min 2,721 0

Security & risk

Operational resilience for payment APIs

Idempotency, timeouts and circuit breakers are the difference between a degraded acquirer and a cascading outage. We explain what "safe retry" actually means, why ambiguous payment states destroy merchant trust, and how to bake resilience in from the first sprint.

01/07/2026 5 min 776 0