message_echoes Webhook Event Reference

Updated: Jun 1, 2026

This callback will occur when a message has been sent by your page. You may receive text messages or messages with attachments (image, video, audio, sticker, template or fallback). The payload will also include an optional custom metadata sent by the sender, and the corresponding app_id.
You can subscribe to this callback by selecting the message_echoes field when setting up your webhook.

Multiple types of messages are supported:

Text message

Message with image, audio, video, file or sticker attachment

Message with appointment booking

Message with template attachment

Message with fallback attachment

Message with products

Message which is a reply to another message

Common Format

Example 1

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1457764197627,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1457764197618:41d102a3e1ae206a38",
    ...
  }
}

Example 2

{
    "object": "page",
    "entry": [
        {
            "id": "<PAGE_ID>",
            "time": 1570053170926,
            "standby": [
                {
                    "sender": {
                        "id": "<PAGE_ID>"
                    },
                    "recipient": {
                        "id": "<PSID>"
                    },
                    "timestamp": 1570053170673,
                    "message": {
                        "mid": "qT7ywaKpO9kkQR7Gv-nM8LIfLZDamVrALniheUYEDdHJXjDXEAyaS1xxONzb2Iv-DFzmTihfWJV012P5pK0AhQ",
                        "is_echo": true,
                        "app_id": <APPID>,
                        "attachments": [
                            {
                                "title": "",
                                "url": "https:\/\/www.facebook.com\/commerce\/update\/",
                                "type": "template",
                                "payload": {
                                    "template_type": "media",
                                    "elements": [
                                        {
                                            "media_type": "image",
                                            "attachment_id": 2457235337685388
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    ]
}

Properties

`sender`

`sender` Field	Description
`id` string	The ID for your Facebook Page

`recipient`

`recipient` Field	Description
`id` string	The Page-scoped ID for the person who received a message from your business

`message`

Field Name	Type	Description
`is_echo`	Boolean	Indicates the message sent from the page itself
`app_id`	String	ID of the app from which the message was sent. Starting Graph API `v12.0`+, `app_id` field will return Facebook Page inbox app id (`26390203743090`) whenever the message is sent via Facebook Page inbox.
`metadata`	String	Custom string passed to the Send API as the `metadata` field. Only present if the `metadata` property was set in the original message.
`mid`	String	Message ID

Text message

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1457764197627,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1457764197618:41d102a3e1ae206a38",
    "text":"hello, world!"
  }
}

Properties

`message`

Property	Type	Description
`text`	String	Text of message

Message with image, audio, video, file or sticker attachment

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1458696618268,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1458696618141:b4ef9d19ec21086067",
    "attachments":[
      {
        "type":"image",
        "payload":{
          "url":"<IMAGE_URL>"
        }
      }
    ]
  }
}

Properties

`message.attachments`

Properties	Type	Description
`type`	String	Type of attachment: `image`, `audio`, `video`, `file` or `sticker`
`payload.url`	String	URL of attachment

Message with appointment booking

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1458696618268,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1458696618141:b4ef9d19ec21086067",
    "attachments":[
      {
        "type":"appointment_booking",
        "payload": {
           "booking_id": "<BOOKING_ID>"
           "status": "<requested|confirmed|declined|cancelled>",
           "start_time": 1739612400,
           "end_time": 1739616000,
           "timezone": "America/Los_Angeles"
        }
      }
    ]
  }
}

Properties

`message.attachments`

Properties	Type	Description
`type`	String	Type of attachment: `appointment_booking`
`payload.booking_id`	String	ID of the booking associated with the appointment
`payload.status`	String	Current status of the appointment. Can be `requested`, `confirmed`, `declined`, `cancelled`
`payload.start_time`	Integer	Appointment start time as a Unix timestamp (seconds).
`payload.end_time`	Integer	Appointment end time as a Unix timestamp (seconds).
`payload.timezone`	String	IANA timezone identifier (e.g., `America/Los_Angeles`)

Message with template attachment

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1458696618268,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1458696618141:b4ef9d19ec21086067",
    "attachments":[
      {
        "type":"template",
        "payload":{
          "template_type":"button",
          "buttons":[
            {
              "type":"web_url",
              "url":"https:\/\/www.messenger.com\/",
              "title":"Visit Messenger"
            }
          ]
        }
      }
    ]
  }
}

Properties

`message.attachments`

Property	Type	Description
`type`	String	`template`
`payload`	String	Template payload as described in the Send API Reference

Note that in the case of a payload with attachments, the attachment id sent is a number not a string. See example 2

This does not match the format of Send API that needs the attachment id to be sent as a string.

Message with fallback attachment

A fallback attachment is any attachment not currently recognized or supported by the Message Echo feature.

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1458696618268,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1458696618141:b4ef9d19ec21086067",
    "attachments":[
      {
        "title":"Legacy Attachment",
        "url":"https:\/\/www.messenger.com\/",
        "type":"fallback",
        "payload":null
      }
    ]
  }
}

Properties

`message.attachments`

Property	Type	Description
`type`	String	`fallback`
`title`	String	Title of attachment (optional)
`url`	String	URL of attachment (optional)
`payload`	String	Payload of attachment (optional)

Message with products

Message with products echo webhook is only available on Graph API v8.0+

App will need to have catalog_management permission approved to receive product details in webhooks.

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1458696618268,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1458696618141:b4ef9d19ec21086067",
    "attachments":[
      {
        "type":"template",
        "payload":{
          "product":{
             "elements":[ // multiple elements for Hscroll
               {
                 "id":"<PRODUCT_ID>",
                 "retailer_id":"<EXTERNAL_ID>",
                 "image_url":"https://fb.cdn.com/sdsd",
                 "title":"Some product title",
                 "subtitle": "40",
               },
               {...},
             ]
            }

          ]
        }
      }
    ]
  }
}

Properties

`product.elements`

Property	Type	Description
`id`	String	Product ID from product catalog
`retailer_id`	String	External ID that is associated with the Product. (ex: SKU/ Content ID)
`image_url`	String	URL of product image
`title`	String	Title of product
`subtitle`	String	Subtitle of product

Message which is a reply to another message

A fallback attachment is any attachment not currently recognized or supported by the Message Echo feature.

Example

{
  "sender":{
    "id":"<PAGE_ID>"
  },
  "recipient":{
    "id":"<PSID>"
  },
  "timestamp":1458696618268,
  "message":{
    "is_echo":true,
    "app_id":1517776481860111,
    "metadata": "<DEVELOPER_DEFINED_METADATA_STRING>",
    "mid":"mid.1458696618141:b4ef9d19ec21086067",
    "reply_to": {
      "mid": "QUOTED-MESSAGE-ID",
      "is_self_reply" : false
     }
   }
}

Properties

`message.reply_to`

Property	Type	Description
`mid`	String	Reference to the message id that this message is replying to
`is_self_reply`	Boolean	Indicates whether the message is a self reply or not.