Pin a Chat at the Top of the im.recent List

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: im

Who can execute the method: chat participant

The method im.recent.pin pins or unpins a conversation at the top of the user's chat list.

Method Parameters

Required parameters are marked with *

Name
type

Description

DIALOG_ID*
string

Identifier of the chat in the format:

chatXXX — chat
sgXXX — group or project chat
XXX — personal chat user ID

The chat identifier can be obtained using the im.chat.get method. The user ID can be retrieved using the user.get and user.search methods

PIN
string

Pin or unpin the conversation:

Y — pin the conversation at the top of the list
N — unpin the conversation

Default is Y

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 '{"DIALOG_ID":"chat1489","PIN":"Y"}' \
        https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/im.recent.pin

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"DIALOG_ID":"chat1489","PIN":"Y","auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/im.recent.pin

try
        {
            const response = await $b24.callMethod(
                'im.recent.pin',
                {
                    DIALOG_ID: 'chat1489',
                    PIN: 'Y'
                }
            );
        
            const result = response.getData().result;
            console.log('Pinned dialog:', result);
        
            processResult(result);
        }
        catch( error )
        {
            console.error('Error:', error);
        }

try {
            $response = $b24Service
                ->core
                ->call(
                    'im.recent.pin',
                    [
                        'DIALOG_ID' => 'chat1489',
                        'PIN'       => 'Y'
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            processData($result);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error pinning dialog: ' . $e->getMessage();
        }

BX24.callMethod(
            'im.recent.pin',
            {
                DIALOG_ID: 'chat1489',
                PIN: 'Y'
            },
            function(result)
            {
                if (result.error())
                {
                    console.error(result.error());
                }
                else
                {
                    console.log(result.data());
                }
            }
        );

require_once('crest.php');
        
        $result = CRest::call(
            'im.recent.pin',
            [
                'DIALOG_ID' => 'chat1489',
                'PIN'       => 'Y'
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';

Response Handling

HTTP Status: 200

{
            "result": true,
            "time": {
                "start": 1772519500,
                "finish": 1772519500.234567,
                "duration": 0.234567165374756,
                "processing": 0,
                "date_start": "2026-03-03T09:31:40+01:00",
                "date_finish": "2026-03-03T09:31:40+01:00",
                "operating_reset_at": 1772520100,
                "operating": 0
            }
        }

Returned Data

Name `type`	Description
result `boolean`	Returns `true` if the conversation is successfully pinned or unpinned
time `time`	Information about the request execution time

Error Handling

HTTP Status: 400

{
            "error": "DIALOG_ID_EMPTY",
            "error_description": "Dialog ID can't be empty"
        }

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

Status	Code	Description	Value
`400`	`DIALOG_ID_EMPTY`	Dialog ID can’t be empty	The `DIALOG_ID` parameter is not provided, is empty, or is in an incorrect format
`400`	`ACCESS_ERROR`	You don’t have permission to pin this chat	The user does not have access to the chat

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

Mark Chat as Read or Unread

Pin a Chat at the Top of the im.recent List

Method ParametersMethod Parameters

Code ExamplesCode Examples

Response HandlingResponse Handling

Returned DataReturned Data

Error HandlingError Handling

Possible Error CodesPossible Error Codes

Statuses and System Error CodesStatuses and System Error Codes

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