The ClickSend SDK in CSharp is available to use the HTTP API with the goal to integrate SMS messaging into websites and applications. With this service, users can send SMS, receive SMS, and track the status of messages. Useful to follow-up, notify clients, and create reminders.
Twilio introduced a new Fax API in Beta. The API allows connected apps to both send and receive faxes to and from legacy fax machines. While the API might seem counterintuitive, the business reality of today's marketplace continues to see many businesses across industries rely on fax communication.