The Zendesk Zopim Android SDK by Zendesk allows to embed live chat between users and agents, leave offline messages when representatives are not available, send and receive files, provide feedback, and e-mail a transcript of the conversation. See more of the Zendesk Chat properties at https://fast.wistia.net/embed/iframe/z07jgq4w96?popover=true
Twilio has announced the Twilio API for WhatsApp which allows developers to integrate with applications nearly every messaging channel via one Twilio Messaging API. Among the messaging channels the API supports are SMS, MMS, Facebook Messenger, RCS, LINE and the newly added API for WhatsApp.
Sendbird, a popular communications infrastructure platform, has announced a new tier of API access that targets developers and provides free use of the company’s Sendbird Chat API. Additionally, the company has committed to keeping this access plan free forever.
Stride, the team communications solution Atlassian launched in September, today announced new features designed to make it "an even more powerful communications solution." These features include new API capabilities that enable developers to build custom apps and messaging bots.