Our API directory now includes 199 email APIs. The newest is the Uptime Robot API. The most popular, in terms of mashups, is the SendGrid API. We list 10 SendGrid mashups. Below you’ll find some more stats from the directory, including the entire list of email APIs.
There are a growing range of open web service APIs providing email-related services, whether that’s for sending bulk emails, managing email marketing campaigns, validating email addresses, sending blog posts as emails or provisioning hosted email services. As of now, we have 16 email-related APIs listed here on ProgrammableWeb. Many of these are natural extensions of [...]