Meta Tech ProviderWhatsApp error codes
WhatsApp error 133010: Number not registered on WhatsApp's platform
Your WhatsApp Business account. What it means, how to fix it, and whether to retry.
What it means
WhatsApp error 133010 means your business number isn't registered on the WhatsApp Business Platform, so nothing can be sent from it. Register or reconnect the number.
WhatsApp's title for it
“Phone number not registered” (133010)
Whose problem it is
Your WhatsApp Business account
Why it happens
- The number was connected but registration didn't finish.
- The number was deregistered or moved.
How to fix error 133010
- Reconnect the number in your WhatsApp platform so it's registered again.
Should you retry?
After the number is registered.
How to prevent it
- Don't sign the number in to the WhatsApp app while it's on the API — a number can only be in one place.
Common questions
Can I use the same number on the WhatsApp app and the API?
No. A number can be on the WhatsApp Business Platform or the app, not both at once.
How ThinnestAI shows it
On ThinnestAI every message WhatsApp doesn't deliver shows WhatsApp's own message first — word for word, with its code — and what it means underneath, on the broadcast and in the inbox. Undelivered messages aren't charged. See the WhatsApp Business API.