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    Developer Guide

    To receive real time updates about our production and sandbox environments, we recommend that you subscribe to our status io page here:

    https://status.usaepay.com

    You can receive emails about interruptions in performance as well as planned maintenance.

    APIs

    • Rest API
    • Pay.js (previously Client JS)
    • Payment Engine Terminal API
    • Soap API
    • Transaction API

    REST API SDKS

    • PHP)
    • .NET)
    • Python

    SOAP API SDKS

    • PHP 5 (Built-in SoapClient)
    • PHP 5 (Pear Library)
    • Visual Basic (.Net)
    • Visual Basic 2010 (.Net 4.0)
    • C# (.Net)
    • Java (JAX-WS)
    • Ruby

    Transaction API SDKs

    • C
    • Java
    • JavaScript
    • jQuery
    • .Net
    • Perl
    • PHP
    • Ruby

    Mobile Library

    • USAePay-iOS UI Library

    Developer Portal

    • Home
    • Company Profile
    • Endpoints
    • Devices and Servers
    • Users
    • Request Sandbox Account

    Reference

    • ACH Format Codes
    • AVS Result Codes
    • Card Level Codes
    • CVV Result Codes
    • Currency Codes
    • End to End Encryption
    • Error Codes
    • Existing Debt
    • Gift Card Processing
    • High Availability
    • Invoice Terms
    • Level 3 Processing
    • Multi-Currency Processing
    • Public Keys
    • Sandbox System
    • Transaction Status Codes
    • Test Cards
    • Test ACH Data
    • Timeouts
    • Tokenization
    • Transaction Codes
    • Transaction Key vs. ID
    • Unit of Measure Codes
    • Verify By Visa/MasterCard Secure Code

    © 2020 USAePay

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