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Error
Application error

63024: Invalid message recipient

Twilio Messaging DocumentationMessaging

Description

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This error occurs when a WhatsApp message cannot be delivered because Meta identifies the recipient as an invalid WhatsApp user or applies another recipient-side restriction.

Possible causes

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  • The recipient phone number is not enabled for WhatsApp.
  • The recipient has not accepted WhatsApp's Terms of Service and Privacy Policy.
  • The recipient is using an old or unsupported version of the WhatsApp client on their phone.
  • Confirm that the recipient's phone number is an active WhatsApp number and that the recipient can receive messages in WhatsApp.
  • Ask the recipient to open WhatsApp and accept the latest Terms of Service and Privacy Policy, then retry the message.
  • Ask the recipient to update WhatsApp to a supported version on their device, then retry delivery.

Additional resources

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