The Ontraport API integrates and customizes business data into applications, aiming to automate customer information flow. It is available as REST architecture in XML and JSON formats and accessible with Api Key. Ontraport is a marketing and business platform for entrepreneurs.
Seventeen APIs have been added to the ProgrammableWeb directory in categories including Shipping, Tools, Email and Language. One highlight today is the Unbill billing API which lets developers make payments on behalf users. Here's a rundown of the latest additions and how developers can benefit.