GUIDES
Buyer's guides for evaluating a payment gateway
Background reading on how gateways, pricing, integration, and compliance actually work — independent of any one platform, and referenced throughout our NMI and USAePay coverage.
- How to choose a payment gateway
The evaluation checklist worth working through before signing with any gateway.
- Payment gateway integration guide
What API, hosted-fields, and virtual terminal integrations actually involve.
- PCI compliance for gateway users
What PCI DSS requires of merchants, ISVs, and resellers sitting on top of a gateway.
- How gateway pricing really works
Buy rates, markups, and revenue share, explained in plain terms.
- Best payment gateways for small business, and how to think about the choice
Where NMI- and USAePay-style white-label gateways fit next to direct-to-merchant options.