The Streak Ruby SDK by Kristof allows to communicate with the API to implement customer relationship management features into gmail inbox. Usage demonstrates how to access with key & create, load, edit and delete resources.
PowerInbox’s original attempt to save e-mail required that users install PowerInbox alongside their email client. Although users enjoyed the app functionality within their inbox, the bothersome step of installing PowerInbox limited adoption. PowerInbox has removed the install step with the launch of its open API: Connect API.
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.