For AI agents: markdown of this page — /docs-content-en/chats/messages/delete.md documentation index — /llms.txt

Delete a message

DELETE /v1/chats/:dialogId/messages/:messageId

Deletes a message from a dialog. A deleted message cannot be restored via the API — create a new one if needed.

Parameters

Parameter Type Req. Description
dialogId (path) string yes Dialog identifier: numeric user ID or chatXXX for group chats
messageId (path) number yes Message ID (from the POST /v1/chats/:dialogId/messages response)

Examples

curl — personal key

Terminal 
curl -X DELETE https://vibecode.bitrix24.com/v1/chats/42/messages/36889 \
  -H "X-Api-Key: YOUR_API_KEY"

curl — OAuth application

Terminal 
curl -X DELETE https://vibecode.bitrix24.com/v1/chats/42/messages/36889 \
  -H "X-Api-Key: YOUR_APP_KEY" \
  -H "Authorization: Bearer USER_SESSION_TOKEN"

JavaScript — personal key

javascript 
const res = await fetch('https://vibecode.bitrix24.com/v1/chats/42/messages/36889', {
  method: 'DELETE',
  headers: {
    'X-Api-Key': 'YOUR_API_KEY',
  },
})

const { success, data } = await res.json()

JavaScript — OAuth application

javascript 
const res = await fetch('https://vibecode.bitrix24.com/v1/chats/42/messages/36889', {
  method: 'DELETE',
  headers: {
    'X-Api-Key': 'YOUR_APP_KEY',
    'Authorization': 'Bearer USER_SESSION_TOKEN',
  },
})

const { success, data } = await res.json()

Response fields

Field Type Description
success boolean Always true on success
data boolean true on successful deletion

Response example

JSON 
{
  "success": true,
  "data": true
}

Error response example

422 — Bitrix24 returned an error (message not found):

JSON 
{
  "success": false,
  "error": {
    "code": "BITRIX_ERROR",
    "message": "Message not found"
  }
}

Errors

HTTP Code Description
422 BITRIX_ERROR Bitrix24 returned an error — the message was not found or is unavailable (details in message)
403 SCOPE_DENIED The key does not have the im scope
401 TOKEN_MISSING The key has no configured tokens

Full list of common API errors — Errors.

Known specifics

System messages. Messages sent with system: true have authorId = 0. Such a message can only be deleted if you have chat administrator rights.

See also