1 min readUpdated Oct 5, 2026troubleshooting, error code, whatsapp
WhatsApp Error 131021: Recipient and sender numbers match
The sender and recipient phone numbers are the same.
What this means
The sender and recipient phone numbers are the same.
Why it happens
- The request attempted to send a message to your own business number.
How to resolve it
Use a different recipient phone number.
Learn more
See Meta's official reference for WhatsApp error code 131021.
Still stuck?
If the error persists after trying the steps above, note the exact error code (131021) and reach out to support with the message details — the code tells us exactly what WhatsApp rejected.
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