8x8 CPaaS is the communications API business of 8x8, managed through the 8x8 Connect portal. It covers SMS, messaging apps, voice, video and verification APIs, plus Converse, an omnichannel inbox for WhatsApp, email and Facebook Messenger.
Pay as you go with no contract, starting with 100 free messages on 8x8 Connect. A subscription plan has a US$500 monthly minimum, and enterprise pricing is custom. Per-country SMS rates are shown inside 8x8 Connect.
8x8 CPaaS has no iMessage; it reaches phones through SMS, RCS and chat apps such as WhatsApp. Linq sends iMessage from real phone numbers with RCS and SMS fallback, for a flat fee from $260 a month with no per-message fees, while 8x8 bills per message. 8x8 offers voice APIs such as IVR and voice messaging, while Linq's API docs say its API does not place or answer calls.
Businesses sending high-volume SMS, WhatsApp and verification messages that also want voice and video APIs from one provider.