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Button messages webhook reference | Developer Documentation

Button messages webhook reference

Updated: Oct 22, 2025
This reference describes trigger events and payload contents for the WhatsApp Business Account messages webhook for quick-reply button messages.

Triggers

    A WhatsApp user taps a quick-reply button in a template 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
    <BUTTON_LABEL_TEXT>
    String
    Quick-reply button label text.
    Unsubscribe
    <CONTEXTUAL_WHATSAPP_MESSAGE_ID>
    String
    WhatsApp message ID of the message containing the button the WhatsApp user tapped.
    wamid.HBgLMTQxMjU1NTA4MjkVAgASGBQzQUNCNjk5RDUwNUZGMUZEM0VBRAA=
    <IDENTITY_KEY_HASH>
    String
    Identity key hash. Only included if you have enabled the identity change check feature.
    DF2lS5v2W6x=
    <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

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