Gateway API Library

• ★ First Data Payeezy Gateway Web Service API Reference Guide
• Dynamic Currency Conversion ("DCC") and Dynamic Pricing ("DP") Merchant Rate and Card Rate API
• 32 Character Password
• API Security - HMAC Hash
• First Data Payeezy Gateway Web Service Transaction Search and Reporting API
• First Data Payeezy Gateway Web Service API Error Numbers and Descriptions
• API Java Library
• C# REST Sample Code For Use with v12 & higher
• Payeezy Gateway℠ Web Service API Sample Code - Perl
• Payeezy Gateway Web Service API Sample Code