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.
Rpost made its name in the compliance space through its Rpost API and core products: email proof, privacy, and electronic signatures. Rpost’s core offering won a customer list full of household names across many industries, both public and private (Whole Foods, AT&T, and Civpol to name a few). Rpost now aims to bring its compliance strategy to all internet transactions via RPost Cloud.