Payment Gateway

Why choose National Merchants Payment Gateway

Our gateway combines enterprise security, pragmatic pricing, reliable routing, and developer-first tools so merchants can accept payments everywhere customers pay.

Request a Demo Talk to Sales

Uptime and routing you can trust

Redundant routing and intelligent failover keep transactions moving even during service disruptions. Our routing optimizes authorization success and reduces latency.

PCI-ready security

End-to-end encryption, tokenization, and support for Level 1 PCI requirements protect cardholder data and reduce compliance scope for merchants.

Developer-friendly APIs

Well-documented REST APIs, webhooks, SDKs, and sandbox environments make integration fast and predictable for web, mobile, and POS systems.

Transparent pricing and billing

Clear fee structures, consolidated statements, and flexible settlement options help you manage processing costs and cash flow without surprises.

Omnichannel support

Accept payments in-person, online, via mobile, invoices, and recurring billing with a single gateway and unified reporting.

Onboarding and migration help

We assist with gateway migration, tokenization of existing customers, and reducing downtime during cutover so you keep selling while switching providers.

Integration and support

From initial integration to ongoing optimization, our team and technical docs are available to help you move faster and keep payments stable.

Sandbox and testing

Test your flows with a fully featured sandbox and verifiable test scenarios before going live.

Webhooks and alerts

Real-time event hooks and monitoring reduce manual reconciliation and speed issue resolution.

Dedicated support

Our merchant success and technical teams provide onboarding, troubleshooting, and account reviews so you always have a partner for payments.

Start with a review

Tell us about your business and payment needs â€” weâ€™ll recommend gateway configuration, pricing, and integration steps that reduce risk and speed time-to-revenue.

Request a Gateway Review Get Technical Documentation