To get access to the WhatsApp business API to start developing,please read each of these before performing an installation.
Getting Started — Quick outline of how to get started and next steps
Network Requirements — Network requirements necessary for the WhatsApp Business API client to connect to WhatsApp servers
Phone Number — Verify and register your business’s phone number
Verified Name — Display your business’s name when talking to your customers
Volumes — Securely store WhatsApp data while using Docker
Installation and Upgrading — Installation scripts and guide to get the WhatsApp Business API client running
HTTPS Setup — Set up and use HTTPS endpoints
Users endpoint — Create, manage, and use access tokens and user accounts for added security
Backup and Restore Settings — How to backup and restore your WhatsApp Business API client
Deploying WhatsApp on AWS — Create an Amazon Web Services cloud to run the WhatsApp Business API client
Rate Limits — WhatsApp Business API endpoint rate limits scenarios
Understanding How to Get Opt-in for WhatsApp — How to present your users with opt-in for messaging
Postman Collection — Import our WAE Developer Collection into Postman to quickly test the WhatsApp Business API
Now you will get access to WhatsApp API after service launching. Please ,note that at first you need to register your business.