🔹 Step 1. WhatsApp Cloud API
Requirements:
Facebook Developer Account
Verified Business
Phone number (not already on WhatsApp)
Steps:
Go to: https://developers.facebook.com�
Create App → Select Business App
Add WhatsApp product
Get:
Access Token
Phone Number ID
Webhook URL
🔹 Step 2: Create Backend (Core System)
You need a backend to:
Receive messages (webhook)
Process logic (AI / rules)
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