Create a Group Chat imbot.v2.Chat.add

If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the MCP server so that the assistant can utilize the official REST documentation.

Scope: imbot

Who can execute the method: owner of the registered bot

The method imbot.v2.Chat.add creates a new group chat on behalf of the bot. If the owner is not specified, the bot becomes the owner.

Method Parameters

Required parameters are marked with *

Name `Type`	Description
botId* `integer`	Bot ID
botToken `string`	Unique authorization token for the bot. Required for webhook authorization, not needed for OAuth. Pass the same botToken that was specified during the chat bot registration
fields `object`	Properties of the chat being created. The structure of the object is described below

Parameter fields

Name `Type`	Description
title `string`	Chat title
description `string`	Chat description
color `string`	Chat color — available colors. If not specified or incorrect, it will be assigned automatically
avatar `file`	Chat avatar in Base64 format
userIds `integer[]`	Array of participant IDs
ownerId `integer`	ID of the chat owner. If not specified, the bot becomes the owner
message `string`	First message in the chat

Available Colors

Code	HEX
`red`	`#df532d`
`green`	`#64a513`
`mint`	`#4ba984`
`lightBlue`	`#4ba5c3`
`darkBlue`	`#3e99ce`
`purple`	`#8474c8`
`aqua`	`#1eb4aa`
`pink`	`#f76187`
`lime`	`#58cc47`
`brown`	`#ab7761`
`azure`	`#29619b`
`khaki`	`#728f7a`
`sand`	`#ba9c7b`
`marengo`	`#556574`
`gray`	`#909090`
`graphite`	`#5e5f5e`

Code Examples

How to Use Examples in Documentation

cURL (Webhook)

cURL (OAuth)

PHP

BX24.js

PHP CRest

curl -X POST \
          -H "Content-Type: application/json" \
          -H "Accept: application/json" \
          -d '{"botId":456,"botToken":"my_bot_token","fields":{"title":"Support Chat","color":"mint","userIds":[1,2]}}' \
          https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/imbot.v2.Chat.add

curl -X POST \
          -H "Content-Type: application/json" \
          -H "Accept: application/json" \
          -d '{"botId":456,"fields":{"title":"Support Chat","color":"mint","userIds":[1,2]},"auth":"**put_access_token_here**"}' \
          https://**put_your_bitrix24_address**/rest/imbot.v2.Chat.add

try {
          const response = await $b24.callMethod('imbot.v2.Chat.add', {
            botId: 456,
            fields: {
              title: 'Support Chat',
              color: 'mint',
              userIds: [1, 2],
            },
          });
        
          const { result } = response.getData();
          console.log('result:', result);
        } catch (error) {
          console.error('Error:', error);
        }

try {
            $response = $b24Service
                ->core
                ->call(
                    'imbot.v2.Chat.add',
                    [
                        'botId' => 456,
                        'fields' => [
                            'title' => 'Support Chat',
                            'color' => 'mint',
                            'userIds' => [1, 2],
                        ],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'result: '. print_r($result, true);
        } catch (Throwable $exception) {
            error_log($exception->getMessage());
            echo 'Error: '. $exception->getMessage();
        }

BX24.callMethod(
            'imbot.v2.Chat.add',
            {
                botId: 456,
                fields: {
                    title: 'Support Chat',
                    color: 'mint',
                    userIds: [1, 2],
                },
            },
            function(result) {
                if (result.error()) {
                    console.error(result.error().ex);
                } else {
                    console.log('Chat ID:', result.data().chat.id);
                }
            }
        );

require_once('crest.php');
        
        $result = CRest::call(
            'imbot.v2.Chat.add',
            [
                'botId' => 456,
                'fields' => [
                    'title' => 'Support Chat',
                    'color' => 'mint',
                    'userIds' => [1, 2],
                ],
            ]
        );
        
        if (!empty($result['error'])) {
            echo 'Error: '. $result['error_description'];
        } else {
            echo 'Chat ID: '. $result['result']['chat']['id'];
        }

Response Handling

HTTP Status: 200

{
            "result": {
                "chat": {
                    "id": 5,
                    "dialogId": "chat5",
                    "name": "Support Chat",
                    "description": "",
                    "type": "chat",
                    "messageType": "C",
                    "owner": 456,
                    "color": "#4ba984",
                    "avatar": "",
                    "extranet": false,
                    "containsCollaber": false,
                    "entityType": "",
                    "entityId": "",
                    "entityData1": "",
                    "entityData2": "",
                    "entityData3": "",
                    "entityLink": {},
                    "diskFolderId": 42,
                    "role": "owner",
                    "permissions": {},
                    "muteList": [],
                    "parentChatId": null,
                    "parentMessageId": null,
                    "isNew": true,
                    "textFieldEnabled": "Y",
                    "backgroundId": null,
                    "dateCreate": "2025-01-15T10:00:00+02:00",
                    "lastMessageId": 789,
                    "lastMessageViews": "{}",
                    "lastId": null,
                    "managerList": [],
                    "markedId": null,
                    "messageCount": 1,
                    "public": "",
                    "unreadId": null,
                    "userCounter": 3
                },
                "users": [
                    {
                        "id": 1,
                        "active": true,
                        "name": "John Smith",
                        "firstName": "John",
                        "lastName": "Smith",
                        "workPosition": "Developer",
                        "color": "#ab7761",
                        "avatar": "",
                        "gender": "M",
                        "birthday": "15-03",
                        "extranet": false,
                        "bot": false,
                        "connector": false,
                        "externalAuthId": "default",
                        "status": "online",
                        "idle": false,
                        "lastActivityDate": "2025-01-15T14:25:00+02:00",
                        "absent": false,
                        "departments": [7],
                        "phones": false,
                        "type": "employee"
                    },
                    {
                        "id": 2,
                        "active": true,
                        "name": "Anna Davis",
                        "firstName": "Anna",
                        "lastName": "Davis",
                        "workPosition": "Manager",
                        "color": "#5b7e91",
                        "avatar": "",
                        "gender": "F",
                        "birthday": "22-08",
                        "extranet": false,
                        "bot": false,
                        "connector": false,
                        "externalAuthId": "default",
                        "status": "online",
                        "idle": false,
                        "lastActivityDate": "2025-01-15T14:20:00+02:00",
                        "absent": false,
                        "departments": [12],
                        "phones": false,
                        "type": "employee"
                    }
                ]
            },
            "time": {
                "start": 1728626400.123,
                "finish": 1728626400.234,
                "duration": 0.111,
                "processing": 0.045,
                "date_start": "2024-10-11T10:00:00+02:00",
                "date_finish": "2024-10-11T10:00:00+02:00"
            }
        }

Returned Data

Name `Type`	Description
result `object`	Result of chat creation
result.chat `Chat`	Object of the created chat (detailed description)
result.users `User[]`	Array of chat participants (detailed description)
time `time`	Information about the request execution time

Fields of the Chat Object

Field `Type`	Description
id `integer`	Unique identifier of the chat
dialogId `string`	Identifier of the dialog: `chat5` for group chats, `123` for personal chats
name `string`	Chat title
description `string`	Chat description
type `string`	Type of chat: `chat`, `open`, `channel`, and others
owner `integer`	ID of the chat owner
color `string\\|null`	Chat color in HEX format
avatar `string`	URL of the chat avatar. An empty string if not set
role `string`	Role of the current user: `owner`, `manager`, `member`, `guest`, `none`
dateCreate `string\\|null`	Date of chat creation in ISO 8601 format
lastMessageId `integer\\|null`	ID of the last message
muteList `array`	List of user IDs who have disabled notifications
managerList `array`	Array of chat managers' IDs

Complete description of all fields is available on the page Objects and Fields — Chat.

Fields of the User Object

Field `Type`	Description
id `integer`	Unique identifier of the user
active `boolean`	Is the user active in the system
name `string`	Full name
type `string`	Type of user: `employee`, `extranet`, `bot`, and others

Complete description of all fields is available on the page Objects and Fields — User.

Error Handling

HTTP Status: 400, 403

{
            "error": "BOT_NOT_FOUND",
            "error_description": "Bot not found"
        }

Name `type`	Description
error `string`	String error code. It may consist of digits, Latin letters, and underscores
error_description `error_description`	Textual description of the error. The description is not intended to be shown to the end user in its raw form

Possible Error Codes

Code	Description	Value
`BOT_TOKEN_NOT_SPECIFIED`	Bot token is not specified	`botToken` is not specified. Required for webhook authorization
`BOT_ID_REQUIRED`	Bot ID is required	`botId` is not specified
`BOT_NOT_FOUND`	Bot not found	Bot not found
`BOT_OWNERSHIP_ERROR`	Bot is registered by another application	Bot is registered by another application

Statuses and System Error Codes

HTTP Status: 20x, 40x, 50x

The errors described below may occur when calling any method.

Status	Code Error Message	Description
`500`	`INTERNAL_SERVER_ERROR` Internal server error	An internal server error has occurred. Please contact the server administrator or Bitrix24 technical support
`500`	`ERROR_UNEXPECTED_ANSWER` Server returned an unexpected response	An internal server error has occurred. Please contact the server administrator or Bitrix24 technical support
`503`	`QUERY_LIMIT_EXCEEDED` Too many requests	The request intensity limit has been exceeded
`405`	`ERROR_BATCH_METHOD_NOT_ALLOWED` Method is not allowed for batch usage	The current method is not permitted for calls using batch
`400`	`ERROR_BATCH_LENGTH_EXCEEDED` Max batch length exceeded	The maximum length of parameters passed to the batch method has been exceeded
`401`	`NO_AUTH_FOUND` Wrong authorization data	Invalid access token or webhook code
`400`	`INVALID_REQUEST` Https required	The HTTPS protocol is required for method calls
`503`	`OVERLOAD_LIMIT` REST API is blocked due to overload	The REST API is blocked due to overload. This is a manual individual block; please contact Bitrix24 technical support to lift it
`403`	`ACCESS_DENIED` REST API is available only on commercial plans	The REST API is only available on commercial plans
`403`	`INVALID_CREDENTIALS` Invalid request credentials	The user associated with the access token or webhook used to call the method lacks the necessary permissions
`404`	`ERROR_MANIFEST_IS_NOT_AVAILABLE` Manifest is not available	The manifest is not available
`403`	`insufficient_scope` The request requires higher privileges than provided by the webhook token	The request requires higher privileges than those provided by the webhook token
`401`	`expired_token` The access token provided has expired	The provided access token has expired
`403`	`user_access_error` The user does not have access to the application	The user does not have access to the application. This means that the application is installed, but the portal administrator has restricted access to this application to specific users only
`500`	`PORTAL_DELETED` Portal was deleted	The public part of the site is closed. To open the public part of the site on an on-premise installation, disable the "Temporary closure of the public part of the site" option. Path to the setting: Desktop > Settings > Product Settings > Module Settings > Main Module > Temporary closure of the public part of the site

Continue Learning

Overview of Methods

Get Chat Information

Create a Group Chat imbot.v2.Chat.add

Method ParametersMethod Parameters

Parameter fieldsParameter fields

Available ColorsAvailable Colors

Code ExamplesCode Examples

Response HandlingResponse Handling

Returned DataReturned Data

Fields of the Chat ObjectFields of the Chat Object

Fields of the User ObjectFields of the User Object

Error HandlingError Handling

Possible Error CodesPossible Error Codes

Statuses and System Error CodesStatuses and System Error Codes

Continue LearningContinue Learning