Probable Causes
- Preventing unauthorized SIM-swap hijacking
- Mandatory security requirement for Cloud API registration
Account Health & Verification
200 OK
How to Enable 2-Step Verification for WhatsApp Business API Numbers
Two-step verification adds a security barrier preventing rogue attempts to register your business phone number on consumer devices.
Step-by-Step Resolution
Recommended Fix Protocol:
Set up a 6-digit PIN via the POST /register API endpoint or inside Meta Business Manager > WhatsApp Accounts > Phone Numbers > Two-Step Verification.
Technical Example / Code Payload:
curl -X POST 'https://graph.facebook.com/v20.0/{phone-number-id}/register' \
-H 'Authorization: Bearer YOUR_TOKEN' \
-d '{"messaging_product":"whatsapp","pin":"849201"}'
Quick Answers
Frequently Asked Questions
What happens if I forget the 6-digit PIN?+
You can reset the PIN in Meta Business Manager using your verified administrator email.
Is 2FA required for high messaging tiers?+
Yes. Meta prioritizes accounts with active 2FA for tier upgrades.
Need Technical Help?
Resolve WhatsApp API Issues Fast with NY Digital
Our certified Meta API engineering team helps Indian enterprises diagnose webhook bugs, unblock banned numbers, and scale messaging limits safely.
Speak with Our Engineering Team