WhatsApp Error 133010: Phone number not registered

What this means#

The phone number has not been registered on the WhatsApp Business Platform.

Why it happens#

• Attempting to use a number that hasn't completed registration.

How to resolve it#

Register the phone number on the platform before sending messages with it.

Learn more#

See Meta's official reference for WhatsApp error code 133010.

Still stuck?#

If the error persists after trying the steps above, note the exact error code (133010) and reach out to support with the message details — the code tells us exactly what WhatsApp rejected.