Message deleted

The message:delete event fires when a message is recalled (soft-deleted, allowing recipients to be notified) or permanently deleted. The operationType field in the event payload distinguishes between the two operations.

For the complete webhook setup and signature verification guide, see Webhooks overview.

Event type

message:delete

Payload

Envelope

Field	Type	Required	Description
type	String	Yes	"message:delete"
id	String	Yes	Unique event ID.
time	Long	Yes	Event generation time (Unix ms).
data	Array	Yes	Array containing one deletion event object. See Data fields.

Data fields

Field	Type	Required	Description
operationType	Number	Yes	Operation type. 1 = recalled — the message is deleted for all recipients. 2 = deleted — the message is removed only for the user who performed the action.
userId	String	Yes	The user ID of the person who performed the operation.
optTime	Long	Yes	Time the operation was performed (Unix ms).
os	String	Yes	Platform where the action originated.
channelInfo	Object	Yes	Information about the channel containing the message. See channelInfo fields.
originalMsgInfo	Object	Yes	Information about the original message. See originalMsgInfo fields.
deleteForAll	Object	No	Recall details. Present only when operationType is 1. See deleteForAll fields.
deleteForMe	Object	No	Deletion details. Present only when operationType is 2. See deleteForMe fields.

channelInfo fields

Field	Type	Required	Description
channelType	Number	Yes	Channel type. See Channel types.
channelId	String	Yes	The channel ID.
subchannelId	String	No	Subchannel ID. Only present in community channels.

originalMsgInfo fields

Field	Type	Required	Description
messageId	String	Yes	The unique ID of the message that was recalled or deleted.
messageTime	Long	Yes	The original send time of the recalled or deleted message (Unix ms).

deleteForAll fields

Present only when operationType is 1 (recall).

Field	Type	Required	Description
isAdmin	Number	No	Whether the recall was performed by an administrator. 0 = no. 1 = yes.
extra	String	No	Extended data attached to the recall operation.

deleteForMe fields

Present only when operationType is 2 (delete).

Field	Type	Required	Description
deleteType	Number	Yes	Deletion scope. 1 = delete specific message. 2 = delete all messages up to a timestamp.
time	Long	No	Cutoff timestamp (Unix ms). Present only when deleteType is 2.

Examples

Recall (operationType: 1)

JSON

{
  "type": "message:delete",
  "id": "550e8400-e29b-41d4-a716-446655440005",
  "time": 1730192400000,
  "data": [
    {
      "operationType": 1,
      "userId": "user_001",
      "optTime": 1730192400000,
      "os": "Android",
      "channelInfo": {
        "channelType": 3,
        "channelId": "group_001"
      },
      "originalMsgInfo": {
        "messageId": "msg_abc123",
        "messageTime": 1730192300000
      },
      "deleteForAll": {
        "isAdmin": 0
      }
    }
  ]
}

Delete (operationType: 2)

JSON

{
  "type": "message:delete",
  "id": "550e8400-e29b-41d4-a716-446655440006",
  "time": 1730192400000,
  "data": [
    {
      "operationType": 2,
      "userId": "user_001",
      "optTime": 1730192400000,
      "os": "Server",
      "channelInfo": {
        "channelType": 3,
        "channelId": "group_001"
      },
      "originalMsgInfo": {
        "messageId": "msg_abc123",
        "messageTime": 1730192300000
      },
      "deleteForMe": {
        "deleteType": 1
      }
    }
  ]
}