The CLX API integrates large scale messaging into applications. It is available in HTTP REST architecture with JSON as protocol and token as the authentication method. The API allows developers to send one message to multiple recipients, send texts with 160 characters max, collect frequent recipients into groups, schedule messages for a later time, and parameterize each message.
Sixteen more APIs have been added to the ProgrammableWeb directory in categories such as Education, Authentication, and Machine Learning. Highlights include an API for personalizing user experiences and an API for adding branding to videos and other content. Here's a rundown of the latest additions.