Developer Guides
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Card BIN Routing: The Routing Decision Your PSP Doesn’t Show You
Your PSP routes by BIN without telling you. Here’s what card BIN routing actually controls and how to make those decisions deliberate.
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Payments Gateway Failover: What Happens When Your Processor Goes Down
Payments gateway failover keeps transactions flowing when a processor goes down. Health-check thresholds, active-active vs. active-passive tradeoffs, and the token-portability problem most teams miss.
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Third-Party Payment Gateway vs. Direct PSP Integration
Direct PSP integration and third-party payment gateways solve different problems and create different constraints. A breakdown of integration time, PCI scope, failover behavior, and lock-in risk so you can pick the right model.