Not Sent - To Number or Type Missing

The Not Sent - To Number or Type Missing status allows you to identify messages that were not delivered because the recipient phone number or message type was not provided. Ensure that all required fields are specified before attempting to send the message again.

Prerequisites

An active WhatsApp plan on Kaleyra platform.
An active WhatsApp for Business API plan that includes:
1. A WhatsApp business number.
2. An associated profile with the business number.
3. A WhatsApp verified and approved profile.
4. A WABA ID onboarded on Kaleyra WhatsApp API V2.
You must have the callback registered in the WhatsApp channel for the phone numbers.

Sample Webhook

The following is the sample webhook.

{
    "code": "WAV2400",
    "status": "not sent",
    "reason": "to number or type is missing in payload",
    "message_id": "wamid.XXXXXHE5NXXXXXXXXXXDAQ==",
    "extra_info": {
        "enable_url_tracking_body": false,
        "enable_url_tracking_button": false,
        "message_id": "wamid.HBgMOTE5NDAXXXXXX3MDFQIAERgSMEYxMEM1QjQ3QjXXXXXXQ2N0YA",
        "waba_id": "12XXXXX34512345",
        "ref": "campaign_2025_summer_sale",
        "ref1": "order_ORD_456789",
        "ref2": "payment_pending"
    }
}