Developer Portal

Other API's

For access to API downloads, please sign in or register.

Heartland SDKs & APIs

Documentation and code samples for using the Heartland SDK set which wraps PAX, Heartland Payment Application (HPA) and Secure Submit for card not present.

SOAP/XML API with multi-region access capability featuring credit, debit, eCheck/ACH, gift, rewards, EMV, E3 Encryption, tokenization, and more.

The Heartland host message spececification and core payment switch

Powerful API for Billers, with comprehensive convenience fee handling.

The Heartland Payroll API is designed to transform your applications basic time tracking into a complete payroll system.

POS message interface specification for integrating a terminal to Heartland.

Card association bin ranges supported by one or more of Heartland networks.

Not sure which option to pick?

Contact us for help!

Looking for API Sandbox Keys?Register and receive your keys immediately.