Whapi.Cloud - Integrate WhatsApp without limits to your own services or apps! Groups & Buttons, Technical support & Guides. API works stably and does not crash during updates. Whapi.Cloud is Developer-friendly REST API for WhatsApp integration

TapTalk.io - TapTalk.io is a complete in-app chat SDK and messaging API - Easy integration and customizeable.

WATI - No-code chatbot builder for WhatsApp Business

Applozic - Chat API & In-App Messaging SDK for Mobile & Web Apps Innovate fast, save development cost and delight users with a scalable, secure and customizable Chat

edna.io - Start communicating with customers on WhatsApp Business, Apple Business Chat, Viber for Business, Web & Mobile App Chat

Chat by Stream - Build and ship in app messaging in a few hours