Certified, fully customizable payment apps on the latest PCI 7.x terminals, EMV L3 certification on a guaranteed SLA, and the engineers who’ve shipped it since 2014. Start this quarter, not next year.
PAXSTORE
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Pick the outcome you need. Each one comes with a fixed scope, a fixed timeline and the engineers who’ve shipped it before.
Certified on a clock, not a guess. One program, one date, one owner, with a guaranteed 20-week certification SLA* backed by penalties Omni carries. Tooling and licensing included.
Get on the clock →A fully customizable, certified payment application for PAX, Sunmi and Verifone, including the latest PCI 7.x certified terminals. Your brand and workflows change without recertifying.
Start selling sooner →PayFlex on PAX’s latest PCI 7.x certified terminals, with complete no-touch provisioning and deployment from PAXSTORE to reduce your operational burden, all in a simple per-terminal pricing model.
Explore PAX Edge →Senior payments engineers on your roadmap: L3 app and kernel work, remote key injection, and the hard parts of moving a retail fleet forward.
Put our engineers on it →Direct host integrations, starting with Fiserv RapidConnect in production today, plus gateway connections built to your platform’s own specification.
Connect your host →Test cards, payment testing and certification tools, from the exclusive North American reseller for ICC Solutions (UK). Whatever your test lab needs, we’ve got you covered.
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Certification delays kill launches. FastFlex gives you one program, one date and one owner, so your EMV L3 certification finishes when we say it will.

Stop renting someone else’s terminal app. PayFlex is a fully customizable, certified payment application that runs on PAX, Sunmi and Verifone, including the latest PCI 7.x certified terminals, giving your roadmap the next several years of runway to grab market share.

PAX Edge puts PayFlex on PAX’s latest PCI 7.x certified terminals, giving your roadmap the next several years of runway to grab market share. New PTS 6 submissions closed in June 2026, so the next fleet you deploy should be 7.x.


Waiting on test cards stalls certification before it starts. As the exclusive North American reseller for ICC Solutions (UK), OmniPay Store ships the test cards and certification tools your team needs, backed by the engineers who run certifications every week.
Put senior payments engineers on your roadmap this quarter, not after another round of hiring.
Custom EMV L3 application and kernel work that gets proprietary hardware certified and selling.
Keys injected remotely, for any processor and any terminal, without shipping devices to a key injection facility.
Host and gateway integrations mapped to each acquirer’s specification, tested and certified.
Moving enterprise retail payment stacks forward without disrupting stores, from SDKs to L3/L4 support.
Have a payments roadmap that’s slipping? Let’s get it back on track.
Explore all services →A free 30-minute discovery with our engineers. You leave with a scoped plan, a fixed price and a date.
Your branded PayFlex build, integration or engineering work, running in your lab in as little as 30 days.*
EMV L3 certification with your acquirer, run end to end by FastFlex on a guaranteed 20-week SLA.*
No-touch rollout to your fleet through PAXSTORE or your terminal management system.
We do one thing: enterprise payments. We solve in one call what generalist firms take months to diagnose.
We’ve run this playbook for 13 years. We start executing in your environment from day one.
Fixed scope, fixed price, fixed timeline. You get deployment-ready results, not a stack of hourly invoices.
Book a free discovery with our engineers. You’ll leave with a scope, a price and a date, whether you need a certified app, a certification or both.
We’ll email it to you right away, and a PAX & Omni specialist will follow up within one business day.
The PAX Edge spec sheet is on its way to . A PAX & Omni specialist will follow up within one business day.