FullContact has announced the CardShark API. The CardShark API allows users to "to send images of business cards to FullContact, and...receive back a response containing transcribed structured contact data." The advantage the API method of optical character recognition over competitors lies in the ability to send contacts to devices and applications beyond the device that captured the initial picture.
Our API directory now includes 37 campaign APIs. The newest is the Experian CheetahMail API. The most popular, in terms of mashups, is the LaunchBit API. We list 1 LaunchBit mashup. Below you'll find some more stats from the directory, including the entire list of campaign APIs.