PostageApp makes it easy design, deliver, and manage emails from web apps. Use HTML and CSS for email templates, customize and personalize email content with message variables, and learn about engagement with email analytics.
The API uses a RESTful interface to send messages and responses are formatted in JSON. Developer libraries are also available for Ruby on Rails, PHP, CakePHP, CodeIgniter, and Node.JS, along with many third-party created plugins for other languages and frameworks.
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.