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Unsupported messages webhook reference | Developer Documentation

Unsupported messages webhook reference

Updated: Mar 20, 2026
This reference describes trigger events and payload contents for the WhatsApp Business Account messages webhook for unsupported messages.

Triggers

    A WhatsApp user sends a message type not supported by Cloud API.You use the API to send a message to a number already in use with the API. In this case, the webhook is sent to the owner of the recipient number.A WhatsApp user messages a business that has been onboarded with a WhatsApp Business app phone number, for the first time. This is especially common when users tap one of the business's ads that click to WhatsApp? and immediately send a message.

    Parameters

    Placeholder Description Example value
    <BUSINESS_DISPLAY_PHONE_NUMBER>
    String
    Business display phone number.
    15550783881
    <BUSINESS_PHONE_NUMBER_ID>
    String
    Business phone number ID.
    106540352242922
    <IDENTITY_KEY_HASH>
    String
    Identity key hash. Only included if you have enabled the identity change check feature.
    DF2lS5v2W6x=
    <ERROR_CODE>
    The error code. Possible values:
      131051 - Cloud API does not support the message type.131060 - The message is currently unavailable. This typically occurs when a WhatsApp user messages a business onboarded with a WhatsApp Business app phone number, for the first time.
      131051
      <ERROR_DETAILS>
      A human-readable description of the error.
      Message type is currently not supported.
      <ERROR_MESSAGE>
      A human-readable error message. Same as ERROR_TITLE.
      Message type unknown
      <ERROR_TITLE>
      A human-readable error title. Possible values:
        Message type unknown - Corresponds to error code 131051.This message is currently unavailable. - Corresponds to error code 131060.
        Message type unknown
        <UNSUPPORTED_TYPE>
        Contains the type of message that is unsupported.
        Values can be:
        errors
        gif
        group_invite
        hsm
        image
        interactive
        keep_in_chat
        link_preview
        list
        location
        media_placeholder
        order
        pin
        poll_creation
        poll_update
        product
        reaction
        poll_update
        <WEBHOOK_TRIGGER_TIMESTAMP>
        String
        Unix timestamp indicating when the webhook was triggered.
        1739321024
        <WHATSAPP_BUSINESS_ACCOUNT_ID>
        String
        WhatsApp Business Account ID.
        102290129340398
        <WHATSAPP_MESSAGE_ID>
        String
        WhatsApp message ID.
        wamid.HBgLMTY1MDM4Nzk0MzkVAgASGBQzQUFERjg0NDEzNDdFODU3MUMxMAA=
        <WHATSAPP_USER_ID>
        String
        WhatsApp user ID. Note that a WhatsApp user's ID and phone number may not always match.
        16505551234
        <WHATSAPP_USER_PHONE_NUMBER>
        String
        WhatsApp user phone number. This is the same value returned by the API as the input value when sending a message to a WhatsApp user. Note that a WhatsApp user's phone number and ID may not always match.
        +16505551234
        <WHATSAPP_USER_PROFILE_NAME>
        String
        WhatsApp user's name as it appears in their profile in the WhatsApp client.
        Sheena Nelson

        Example

        The following example shows a webhook triggered by a WhatsApp user sending an unsupported message type (error code 131051). For unavailable messages (error code 131060), the payload structure is the same but the errors object values differ - see the ERROR_CODE parameter for details.
        

        
    
                
        
    
        

            
        
        
        
    
        

    
        

    
    
        
        
        
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