Zernio WhatsApp API

In plain words

Zernio WhatsApp API provides developers with a single integration to access WhatsApp Business capabilities including messaging, broadcasts, in-chat forms, and voice calls that route to AI agents or chatbots. Supporting numbers in 53 countries, it offers REST APIs, SDKs, CLI tools, and a hosted MCP server for building WhatsApp applications. The service includes group chat functionality and charges zero markup on usage costs.

written from the facts on this page · September 2026

From the sources

You knew Zernio as the API for social media. Now it does WhatsApp too, the whole thing. Connect a number and you've got the entire WhatsApp Business API behind it: messaging and broadcasts, in-chat forms, calls you can route to AI agents, chatbots, group chats, and numbers in 53 countries. Whatever you need to build on WhatsApp, it's one integration. Made for developers and the agents they build: REST, SDKs, CLI, and a hosted MCP server. Official WhatsApp Business API. Zero markup on usage.

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