Our API directory now includes 35 invoicing APIs. The newest is the CashFlows API. The most popular, in terms of mashups, is the PayPal API. We list 33 PayPal mashups. Below you'll find some more stats from the directory, including the entire list of invoicing APIs.
OpenJaw Technologies, a leading online technology partner for the world's biggest travel brands, has launched the OpenJaw Tribe Developer Community which provides developers access to the OpenJaw t-Retail Platform as well as to a variety of tools and resources that help simplify the integration of the platform into third-party applications.