The Heartland PHP Sample Code by Secure Submit demonstrates how to pay for invoice, sign up for recurring payments, and integrate PayPal. Point of sale, master pass, and tokenize available as resources.
Mertech has announced its latest SaaSification tool: THRIFTLY.IO. THRIFTLY allows developers to maintain the functionality of legacy Windows apps, but provide API access to such apps for easier consumption in mobile and cloud-based formats. No additional coding for API setup is needed with THRIFTLY.