Meta API Error Codes Error 133010 400 Bad Request

WhatsApp Error 133010: Phone Number Not Registered — Resolution Guide

Error 133010 indicates that the phone number ID passed in the API endpoint is not active or has not completed two-step registration on Meta Cloud API.

Probable Causes

The phone number has not been registered using the POST /register API endpoint with a 6-digit PIN
The phone number was deleted from Meta Business Manager or migrated to another WABA
Passing incorrect Phone Number ID instead of WhatsApp Business Account ID

Step-by-Step Resolution

Recommended Fix Protocol:

Send an authenticated POST request to https://graph.facebook.com/v20.0/{phone-number-id}/register with your 6-digit PIN to activate the number on Cloud API.

Technical Example / Code Payload:

curl -X POST \ 'https://graph.facebook.com/v20.0/YOUR_PHONE_NUMBER_ID/register' \ -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \ -H 'Content-Type: application/json' \ -d '{"messaging_product": "whatsapp", "pin": "123456"}'

Quick Answers

Frequently Asked Questions

Where do I find my Phone Number ID?+

In Meta Business Manager > WhatsApp Accounts > Phone Numbers. Note that Phone Number ID is distinct from your WABA ID.

Can a consumer WhatsApp number be registered directly?+

No. The phone number must be deleted from the WhatsApp consumer mobile app first before registering on Cloud API.

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