Best messaging api AI tools

WhatAgent is a no-code AI tool that automates customer service and appointment scheduling on WhatsApp. It deploys an intelligent agent to operate 24/7, respond to inquiries, manage bookings, and send reminders, all configured easily in minutes by uploading business documents.

CometChat provides a complete communication platform with in-app chat, voice, and video call SDKs & APIs. It also offers a full-stack solution for deploying, monitoring, and evolving user-facing AI agents and copilots, all built on a secure, scalable, and compliant infrastructure.

Sent is a unified messaging API platform that enables developers and businesses to communicate with customers across multiple channels like SMS, WhatsApp, iMessage, RCS, and Viber through a single API. It uses AI-powered intelligent routing to optimize delivery, significantly reduce costs, and simplify cross-channel communication, providing a first-class developer experience.

An AI-powered in-app chat SDK and API that enables businesses to integrate seamless, feature-rich chat functionalities into their mobile and web applications. Enhance user engagement, provide instant customer support, and build communities with customizable chatbots and live chat.

Termii is a cross-channel messaging and customer engagement platform that enables businesses to verify, authenticate, and communicate with customers globally via SMS, WhatsApp, voice, and email.