Line Webhook

Message Callback Service

Provides a webhook address for receiving Line-related push information (currently supports pushing inbound messages).

Inbound Messages

After sending a Viber message, the message status is pushed as a receipt.

• URL: dr_webhook
• Method: POST
• Content-Type: application/json

Receipt Parameters

Body Parameters:

Parameter	Type	Description
destination	String	Merchant channelId
events	array[event JsonObject]	Event information

Event JsonObject:

Parameter	Type	Description
type	String	"message" (Message Type)
webhookEventId	String	Webhook event ID
timestamp	Number	Event timestamp
replyToken	String	Reply token for referencing the message
mode	String	Channel state (active: channel activated; standby: channel waiting)
message	JsonObject	Message details
source	JsonObject	Source of the message
deliveryContext	JsonObject	Indicates whether it's a redelivery event

• Message Object Parameters:

Parameter Name	Type	Description
type	String	Message type (text, image, video, audio, file, location)
id	String	Message ID
quoteToken	String	Session information
text	String	Text message content (present when type is text)
duration	Long	Audio playback duration in milliseconds (present when type is audio)
title	String	Location name (present when type is location)
address	String	Location details (present when type is location)
latitude	String	Latitude (present when type is location)
longitude	String	Longitude (present when type is location)
contentProvider	JsonObject	Content provider for image files

• Content Provider Object Parameters:

Parameter Name	Type	Description
type	String	(Value: "line" -> Image sent by LINE user)

• Source Object Parameters:

Parameter Name	Type	Description
type	String	Source of the message (user, multi-person chat, group chat)
userId	String	User ID

• Delivery Context Object Parameters:

Parameter Name	Type	Description
isRedelivery	boolean	(true: Redelivery of webhook event; false: First webhook event)

Example Receipts

Text Message

{
    "destination": "U44d64355f3d939f4db74649d82dxxxx",
    "events": [
        {
            "type": "message",
            "message": {
                "type": "text",
                "id": "509243235328065891",
                "quoteToken": "d0fu6utH1aziqG3BKtINCjcfF7I5ZFYBYK65sYQnKLrrUvFlP_A_sIU8kfiDFWT7e4PJtevdnaoOchJyX7S1QaHGpHcB51u-Gb7YBP8O-ekuzcyHsIMdG8W-gbbIownHWhEL5OS51peQi-4cdmZ8pQ",
                "text": "Test"
            },
            "webhookEventId": "01HYFM66MC7K0N6QAX1ZVDXD13",
            "deliveryContext": {
                "isRedelivery": false
            },
            "timestamp": 1716363925648,
            "source": {
                "type": "user",
                "userId": "Ua56c6dca206ce700a3f1b0e49dxxxxx"
            },
            "replyToken": "c384d55299124bf4b504e3004fd6bcf0",
            "mode": "active"
        }
    ]
}

Image Message

{
    "destination": "U44d64355f3d939f4dbxxxxx",
    "events": [
        {
            "type": "message",
            "message": {
                "type": "image",
                "id": "509379024964550871",
                "quoteToken": "OGU3EwklDuRXKXD8iZtgGHRAvQH24v6JNlJbUaIBlZkejT_Echq9q8n2nGPtajVXvi-z4OFbcCsjJF7cq0CivFvoEJmND1LthUOK-UVYJacQMnpiNBzhuKmk8S7C5BPOtI7A8tOvJHogWfYF1Avl-Q",
                "contentProvider": {
                    "type": "line"
                }
            },
            "webhookEventId": "01HYJ1C80FKV2297RK0JZHG497",
            "deliveryContext": {
                "isRedelivery": false
            },
            "timestamp": 1716444864021,
            "source": {
                "type": "user",
                "userId": "Ua56c6dca206ce700a3f1bxxxx"
            },
            "replyToken": "ebf2fd90eb1d44b0aa228c09f2e2a9ae",
            "mode": "active"
        }
    ]
}

Video Message

{
    "destination": "U44d64355f3d939f4db746xxxx",
    "events": [
        {
            "type": "message",
            "message": {
                "type": "video",
                "id": "509379284860141587",
                "quoteToken": "yzG4cpaZqwNDuyDsjHkss8ZYx1ES0RPFZFWdpMGPi3e4g0M6V_ttAk5mSueDIkqq5VtL0j_wIaJVR9QJr230nmkzE-7HP4FR224Uz5gnvkUqdk_bieN5WQiP0DX8_pMcnac-txXZmD6XODt7jcVl-A",
                "duration": "10735",
                "contentProvider": {
                    "type": "line"
                }
            },
            "webhookEventId": "01HYJ1H5444AHFT914RBA6F5N2",
            "deliveryContext": {
                "isRedelivery": false
            },
            "timestamp": 1716445024988,
            "source": {
                "type": "user",
                "userId": "Ua56c6dca206ce700a3f1b0xxxx"
            },
            "replyToken": "d636a28b24fb41709301bed06a78641e",
            "mode": "active"
        }
    ]
}

Audio Message

{
    "destination": "U44d64355f3d939f4db74649d82dxxxx",
    "events": [
        {
            "type": "message",
            "message": {
                "type": "audio",
                "id": "507219478615425234",
                "duration": 60476,
                "contentProvider": {
                    "type": "line"
                }
            },
            "webhookEventId": "01HXBNT9593S29CQ8AEFZ4AFQH",
            "deliveryContext": {
                "isRedelivery": false
            },
            "timestamp": 1715157672843,
            "source": {
                "type": "user",
                "userId": "U727e5ee2977bc7c75dad300cxxxxx"
            },
            "replyToken": "3fbcb0d115334482a45174b48dd1174d",
            "mode": "active"
        }
    ]
}

File Message

{
    "destination": "U44d64355f3d939f4db746xxxx",
    "events": [
        {
            "type": "message",
            "message": {
                "type": "file",
                "id": "509379284860141587",
                "quoteToken": "yzG4cpaZqwNDuyDsjHkss8ZYx1ES0RPFZFWdpMGPi3e4g0M6V_ttAk5mSueDIkqq5VtL0j_wIaJVR9QJr230nmkzE-7HP4FR224Uz5gnvkUqdk_bieN5WQiP0DX8_pMcnac-txXZmD6XODt7jcVl-A",
                "contentProvider": {
                    "type": "line"
                }
            },
            "webhookEventId": "01HYJ1H5444AHFT914RBA6F5N2",
            "deliveryContext": {
                "isRedelivery": false
            },
            "timestamp": 1716445024988,
            "source": {
                "type": "user",
                "userId": "

Ua56c6dca206ce700a3f1b0xxxx"
            },
            "replyToken": "d636a28b24fb41709301bed06a78641e",
            "mode": "active"
        }
    ]
}