Payment Savvy, payment processor known for its no-cost-to-biller model, launched an Open API. The API integrates with many software packages across industries. Payment Savvy finds the API strategy will complement its convenience fee model which makes makes doing business with Payment Savvy easy.
Our API directory now includes 56 billing APIs. The newest is the Merchee API. The most popular, in terms of mashups, is the Stripe API. We list 5 Stripe mashups. Below you'll find some more stats from the directory, including the entire list of billing APIs.