WhatsApp API guides

Practical, copy-paste guides for building on the Weai WhatsApp API.

• How to use a WhatsApp API without Meta approval

  Get a working WhatsApp API in minutes without the WhatsApp Business API application: link your own phone, call REST endpoints, stream events.

• Send a WhatsApp message with curl, Node.js or Python

  Copy-paste examples to send WhatsApp text, images and documents over a REST API with curl, Node.js fetch and Python requests, using a Weai instance.

• Receive WhatsApp messages in realtime over WebSocket

  Stream incoming WhatsApp messages and connection changes live with a Socket.IO v4 client: setup, event names and a Node.js example. No polling.