All briefings
Articles — Page 5
148 briefings on payments, fintech, and AI money infrastructure.
Visa Reason Codes: The Complete VCR Map (2026)
Complete reference for Visa Claims Resolution codes — all four categories, workflow assignment, filing deadlines, and 2024–2026 consolidations.
May 18, 2026
Authorized Push Payment Fraud and the Real-Time Rail Liability Problem
APP fraud exploits real-time rail irrevocability. UK mandatory reimbursement live since October 2024 means operators face direct liability on both sides.
May 17, 2026
Stripe vs Square: An Operator's Decision Framework
Stripe dominates online and SaaS; Square dominates card-present retail and SMB. Here's how to choose based on your business model, not feature checklists.
May 17, 2026
DORA for Payment Operators: EU Digital Operational Resilience
DORA has applied since January 2025. Payment institutions, e-money institutions, and AISPs are all in scope. What compliance actually requires in production.
May 16, 2026
Least-Cost Routing: Sending Payments to the Cheapest Eligible Rail
LCR is an RBA mandate for dual-network debit cards in Australia. Cost-based routing across card, A2A, and domestic scheme rails: the math and implementation.
May 15, 2026
The MDR Stack: Reading Your Processing Statement Line by Line
MDR is a five-layer stack, not a single fee. What each layer is, who pays whom, what's negotiable, and how to decompose your own processing statement.
May 15, 2026
AI Agents and Payment APIs: MCP, Stripe Agent Toolkit, and Mastercard
MCP, Stripe Agent Toolkit, Visa TAP, and Mastercard Agentic Tokens: four-layer stack covering protocol, PSP, and network layers for agentic commerce operators.
May 14, 2026
AI in Merchant Onboarding: KYB Automation, Risk Scoring, and Approvals
ML compresses merchant onboarding from days to minutes. Document AI, UBO extraction, risk scoring, and straight-through processing logic at PSPs and PayFacs.
May 14, 2026
SEPA Credit Transfer, Instant, and Direct Debit: Operator Guide
SEPA payments explained for operators: SCT, SCT Inst, and SDD Direct Debit, with scheme coverage, timing, fees, and merchant use cases.
May 14, 2026
Subscription Rails: eGIRO, UPI AutoPay, SEPA SDD, Pix Automático
PayNow can't pull recurring. UPI AutoPay tripled in one year. Pix Automático launched June 2025. What each market's recurring billing rail delivers.
May 14, 2026