Conversation-based pricing has changed. See Pricing to learn how our new conversation-based pricing model works.

In addition, visibility of metric_types have changed effective July 1, 2023. Please see the Conversation Analytics table for more details.

On-Premises API

Your business can host the On-Premises API on your own servers.

Documentation Contents


Learn about the On-Premises API and making calls to the WhatsApp servers.

Get Started

Learn how to set up the On-Premises API, register your phone number, update your settings, and send a test message.


Learn how to send messages, sell products and services, set up and maintain your client, and more.


A list of all endpoints for the On-Premises API.


Get notifications related to your messages and their status.


Frequently asked questions related to the On-Premises API.


Learn how to solve problems you may encounter while using the API.

Error Codes

Understand how error messages are structured and see all available error codes.