This reference describes trigger events and payload contents for the WhatsApp Business Account messages webhook for replies to interactive messages.

Triggers

A WhatsApp user taps a row in an interactive list message.

A WhatsApp user taps a button in an interactive reply button message.

Syntax

{
  "object": "whatsapp_business_account",
  "entry": [
    {
      "id": "<WHATSAPP_BUSINESS_ACCOUNT_ID>",
      "changes": [
        {
          "value": {
            "messaging_product": "whatsapp",
            "metadata": {
              "display_phone_number": "<BUSINESS_DISPLAY_PHONE_NUMBER>",
              "phone_number_id": "<BUSINESS_PHONE_NUMBER_ID>"
            },
            "contacts": [
              {
                "profile": {
                  "name": "<WHATSAPP_USER_PROFILE_NAME>"
                },
                "wa_id": "<WHATSAPP_USER_ID>",
                "identity_key_hash": "<IDENTITY_KEY_HASH>" <!-- only included if identity change check enabled -->
              }
            ],
            "messages": [
              {
                "context": {
                  "from": "<BUSINESS_DISPLAY_PHONE_NUMBER>",
                  "id": "<CONTEXTUAL_WHATSAPP_MESSAGE_ID>"
                },
                "from": "<WHATSAPP_USER_PHONE_NUMBER>",
                "id": "<WHATSAPP_MESSAGE_ID>",
                "timestamp": "<WEBHOOK_TRIGGER_TIMESTAMP>",
                "type": "interactive",

                <!-- interactive list message replies only -->
                "interactive": {
                  "type": "list_reply",
                  "list_reply": {
                    "id": "<ROW_ID>",
                    "title": "<ROW_TITLE>",
                    "description": "<ROW_DESCRIPTION>"
                  }
                },

                <!-- interactive reply button message replies only -->
                "interactive": {
                  "type": "button_reply",
                  "button_reply": {
                    "id": "<BUTTON_ID>",
                    "title": "<BUTTON_LABEL_TEXT>"
                  }
                }
              }
            ]
          },
          "field": "messages"
        }
      ]
    }
  ]
}

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_ID>` String	Button ID.	`cancel-button`
`<BUTTON_LABEL_TEXT>` String	Button label text.	`Cancel`
`<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=`
`<ROW_DESCRIPTION>` String	Row description.	`Next Day to 2 Days`
`<ROW_ID>` String	Row ID.	`priority_express`
`<ROW_TITLE>` String	Row title.	`Priority Mail Express`
`<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`

Examples

This example webhook describes a selection made by a user in a list of rows in an interactive list message.

{
  "object": "whatsapp_business_account",
  "entry": [
    {
      "id": "102290129340398",
      "changes": [
        {
          "value": {
            "messaging_product": "whatsapp",
            "metadata": {
              "display_phone_number": "15550783881",
              "phone_number_id": "106540352242922"
            },
            "contacts": [
              {
                "profile": {
                  "name": "Sheena Nelson"
                },
                "wa_id": "16505551234"
              }
            ],
            "messages": [
              {
                "context": {
                  "from": "15550783881",
                  "id": "wamid.HBgLMTQxMjU1NTA4MjkVAgASGBQzQUNCNjk5RDUwNUZGMUZEM0VBRAA="
                },
                "from": "16505551234",
                "id": "wamid.HBgLMTY1MDM4Nzk0MzkVAgASGBQzQUFERjg0NDEzNDdFODU3MUMxMAA=",
                "timestamp": "1749854575",
                "type": "interactive",
                "interactive": {
                  "type": "list_reply",
                  "list_reply": {
                    "id": "priority_express",
                    "title": "Priority Mail Express",
                    "description": "Next Day to 2 Days"
                  }
                }
              }
            ]
          },
          "field": "messages"
        }
      ]
    }
  ]
}

This example webhook describes a button tapped by a WhatsApp user in an interactive reply button message.

{
  "object": "whatsapp_business_account",
  "entry": [
    {
      "id": "102290129340398",
      "changes": [
        {
          "value": {
            "messaging_product": "whatsapp",
            "metadata": {
              "display_phone_number": "15550783881",
              "phone_number_id": "106540352242922"
            },
            "contacts": [
              {
                "profile": {
                  "name": "Sheena Nelson"
                },
                "wa_id": "16505551234"
              }
            ],
            "messages": [
              {
                "context": {
                  "from": "15550783881",
                  "id": "wamid.HBgLMTY1MDM4Nzk0MzkVAgARGBI3MEM2RUJFNkI0RENGQTVDRjUA"
                },
                "from": "16505551234",
                "id": "wamid.HBgLMTY1MDM4Nzk0MzkVAgASGBQzQTZBQzg0MzQ4QjRCM0NGNkVGOAA=",
                "timestamp": "1750025136",
                "type": "interactive",
                "interactive": {
                  "type": "button_reply",
                  "button_reply": {
                    "id": "cancel-button",
                    "title": "Cancel"
                  }
                }
              }
            ]
          },
          "field": "messages"
        }
      ]
    }
  ]
}

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