The Insightly Java SDK by Insightly currently in Beta stage, interacts with the API to access customer relationship management features, including contacts, events, organizations, opportunities, and projects.
Our API directory now includes 63 CRM APIs. The newest is the PingGiant API. The most popular, in terms of mashups, is the Salesforce API. We list 44 Salesforce mashups. Below you'll find some more stats from the directory, including the entire list of CRM APIs.