Vonage has launched the Nexmo Messages API and Nexmo Dispatch API. The Messages API allows businesses to integrate social chat services with applications using a single API. The Dispatch API allows developers to add a fallback mechanism if the first message for a specific chat channel fails.
Twilio has introduced the Twilio Proxy API, a new API for building private text and voice conversations between customers and mobile workers. The company also announced the new Twilio Engagement Cloud, a suite of Declarative APIs with additional business process and logic built in.