Insights from the payment frontier
EngineeringHow Instant Settlements Changed Our Cash Flow Forever
Moving from T+2 to same-day settlements cut our working capital requirements by 60% and fundamentally changed how we think about treasury management.
SecurityBuilding a Fraud Detection System That Actually Works
Most fraud systems optimize for catch rate. We optimized for merchant revenue — because blocking legitimate customers costs more than the fraud itself.
ProductDesigning an API That Finance Teams Actually Understand
We rewrote our entire API surface after watching three CFOs try to read our documentation. The result was fewer support tickets and faster integration.
CompliancePCI DSS 4.0: What Changed and What You Need to Do
The new PCI DSS 4.0 standard introduces 64 new requirements. Here is what actually matters for your payment integration and what Meridian handles for you.
EngineeringScaling Payment Processing to 1 Billion Transactions
The architecture decisions we made at 10K transactions per day that saved us when we hit 10M. A technical deep-dive into distributed payment processing.