PaymentExpress Developer Portal

Online Payments

The public PaymentExpress API combined with our modern customer-facing online platform provides a powerful method for your users to complete online transactions for anything from DMV renewals to property tax payments.

In Person Payments

Take over-the-counter (OTC) payments in your office from your constituents? Easily integrate PaymentExpress OTC checkout into your system of record to make taking credit card payments simple.

Post-Payment Operations

From payment lookups and reversals through our simple API, payment postbacks, and daily reconciliation files, we make keeping your payment history in sync easy.

Hosted Checkout

Whether for Online or In Person payments, PaymentExpress provides an online checkout handoff experience to allow your payments to be completed in our payment portals.

Embedded Checkout

Don't want to hand the user off? No problem! We also provide widgets that make it easy to embed our checkout process right in your application.

Direct Payments

Just want to collect all the details and hand the payment off to us behind the scenes? This option is also available and makes for a deep integration into the PaymentExpress platform.