MailTracker provides real-time email tracking services that let users know when, where, on what devices, for how long, and how many times their emails have been viewed. MailTracker can provide such information for Gmail, Yahoo!, Google Apps Business, Hotmail, and custom SMTP accounts. Users can integrate with MailTracker via API. Sign up for early API access at http://answerbook.us4.list-manage.com/subscribe?u=5584699568f85ff97bdbd4fc3&id=37c24ae803
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.