The Yahoo! Mail C# sample code by Yahoo! demonstrates how to communicate with web service. It requires
Yahoo! Mail WSDL. The Yahoo! Mail API uses OAuth as authentication method. Developers who have worked in the past with this API, can contact Yahoo! to migrate their projects to IMAP. Send e-mail to firstname.lastname@example.org
Out of a beige windowless office in Chicago comes a product that just might revolutionize what you thought was possible on the web. X-Stream.ly is a pure play API service offering low-latency high throughput real time messaging with no server side coding required. The x-stream.ly API is a pretty competitive offering in the real time API space.
SimpleTexting, text marketing service, offers its full suite of text services via its SMS API. Developers can integrate SMS capabilities within third party apps to better engage customers. Whether developers want to send or receive texts, update contact lists, or take advantage of SimpleTexting's other features, the SMS API provides simple access to a robust service.