The Streak API integrates its client relationship management (CRM) platform into other applications like MailChimps and Wufoo. The API's webpage reveals that it requires an API key and uses HTTP Basic Auth. The request format supports Create, retrieve, update, and delete (CRUD) with response in JSON. The purpose of the API is to manage CRM relationships through your application.
The free evening newspaper The London Paper made headlines itself last week, for two seemingly contradictory reasons. First, New Media Age reported the paper is launching an API. Then, further reports said it will cease publishing in less than a month.
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.