Fix a Failed Message by Provider
Every failed message shows an error hint with the provider's code. Pick your provider's tab for its common codes.
SMS Suppliers
Open Settings → Custom SMS Suppliers. If a supplier such as seven (+49) lost its Verified chip, use Send Test SMS again. Check the webhook URL and status map if messages show as sent but never delivered.
REJECTED_SOURCE: the sender is not allowed for that country; register it or use another sender. REJECTED_NOT_ENOUGH_CREDITS: top up your Infobip balance. UNDELIVERABLE_NOT_DELIVERED: the handset could not be reached; try a fallback channel. EXPIRED: the phone was off for too long; resend.
131047: more than 24 hours since the customer's last message; send an approved template. 132001: the template does not exist in that language; check the template name and language. 131026: the number cannot receive WhatsApp; use another channel. 190: the token expired; reconnect in Settings → Senders & Numbers.
63016: outside the WhatsApp 24-hour window; send a Content template. 21610: the recipient replied STOP; do not message them. 21211: the number is invalid; check its format. 20003: wrong Account SID or Auth Token; reconnect in Settings → Senders & Numbers.
Steps at a glance
- Open the Failed MessageClick the error hint on the message.
- Check the Provider BadgeSee which provider sent it.
- Find the CodeLook up the code under that provider below.
- Apply the Fix and ResendFix the cause, then resend.
Frequently asked
Where Do I See the Error Code?
In the error hint on the failed message.
Why Does WhatsApp Fail After 24 Hours?
Outside the 24-hour window only approved templates can be sent.
What If the Code Is Not Listed?
Run Test Messaging, then contact support with the code.
A +49 SMS Through Seven Failed. What Now?
Check seven still shows Verified in Settings → Custom SMS Suppliers and that your routing rule for +49 points to it.
Apply this to your own deployment
This guide describes decisions we make on live platforms. Tell us your channels, systems and region and we will map it to an architecture outline, a provisioning plan and an indicative commercial model — usually within one business day.