WhatsApp Business API errors: what each code means

Account and payment errors

• 131042An error related to the payment method. All template sends fail until billing is fixed. Guia completo
• 131031The account is restricted or disabled for policy reasons, or Meta could not verify some data. Guia completo
• 130497The account is restricted from messaging users in certain countries. Guia completo

Template errors

• 132001The template does not exist in the specified language, or has not been approved. Guia completo

Delivery errors on the customer side

• 131026Not delivered. The recipient may not be on WhatsApp, may not have accepted the latest terms, or may be on an outdated version.
• 131047More than 24 hours have passed since the customer last replied. Outside that window you can only send an approved template.
• 131049Meta did not deliver the message to keep the ecosystem healthy. Wait at least 24 hours before resending and review the per-user marketing message limits.
• 131056Too many messages from the same number to the same recipient in a short time. Wait before trying that customer again.

Short descriptions from Meta's official documentation, checked on 2026-10-30. Meta updates this list from time to time.

How Notil handles this

Notil's dashboard shows the error with specific guidance for each case (payment, blocked account, country) and clears the alert on its own once messages are delivered again. Every send is visible in the activity tab, with its delivery status.