Integrated with 90% of Eligible Software
FRP payment solutions work with the platforms you're already running — no rip-and-replace required. Gateways like Authorize.Net and USAePay, terminals from Dejavoo and Valor, WordPress and QuickBooks, and hundreds more.
Works With Your Stack
Gateways, smart terminals, POS systems, eCommerce platforms, and accounting tools — FRP connects to the payment infrastructure you already use, plus hundreds of vertical software platforms. Featured integrations have dedicated pages.
MX Merchant
All-in-one merchant platform — virtual terminal, invoicing, recurring billing, and reporting in one dashboard.
Ask about MX Merchant →USAePay
Trusted payment gateway for eCommerce, retail, and mobile — tokenization, fraud tools, and developer APIs.
Ask about USAePay →Authorize.Net
The most widely used gateway on the web — hosted checkout, virtual terminal, and recurring payments.
Ask about Authorize.Net →Dejavoo
Countertop, wireless, and Android smart terminals — EMV, NFC, and SPIn cloud integration.
Ask about Dejavoo →Valor PayTech
Smart terminals and SoftPOS with real-time reporting, dual pricing support, and remote management.
Ask about Valor →Square
Running on Square today? We'll show you a side-by-side on real costs and make switching painless — data, hardware, and all.
Compare your Square costs →WordPress
WooCommerce and WordPress payments — secure checkout, subscriptions, and transparent pricing for your site.
Ask about WordPress →QuickBooks
Cards and ACH with automatic reconciliation in QuickBooks — no double entry, often below built-in payment rates.
QuickBooks payments →Wayne Reaves
Exclusive integration partner — payments built directly into the Wayne Reaves DMS for auto dealers.
Wayne Reaves payments →Hundreds More
Gateways, POS systems, shopping carts, and vertical software — 90%+ of eligible platforms are supported.
Ask about yours →Payment Integrations FAQ
What business software does Flat Rate Processing integrate payments with?
Can I add card and ACH acceptance inside my existing system without changing platforms?
Do payments reconcile automatically with my accounting software?
Do you support industry-specific software like auto dealer DMS?
Do I need a developer or technical help to set up an integration?
Does integrating payments change how or when I get funded?
Don't See Your Software?
We integrate with 90%+ of eligible platforms. Tell us what you run and we'll confirm the integration path — usually within one business day.
Ask About Your Software