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How to build multi-PSP redundancy that works in production: intelligent payment routing rules, failover testing, and what breaks without them.

Creative briefs, deep dives, and case studies oh my!

Manual payment processing costs businesses $12-40 per transaction and creates errors in 39% of invoices. Payment workflow automation reduces these costs by 70-90% while eliminating the operational burden that keeps engineering teams from building your core product.
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PCI DSS v4.0 changed ecommerce PCI compliance significantly, with new script management requirements and revised SAQ A eligibility criteria effective in 2025. This guide covers compliance levels, SAQ types, scope reduction through tokenization, and documentation requirements for annual assessments.
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