Remove Registered Automation Rule Handler placement.unbind

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: placement

Who can execute the method: administrator, authorized in the application

The method placement.unbind removes the registered Automation rule handler.

The method works only in the context of the application.

Method Parameters

Required parameters are marked with *

Name `type`	Description
PLACEMENT^* `string`	Identifier of the Automation rule placement. `PLACEMENT` can be obtained by: using the placement.list method using the placement.get method in the `placement` field
HANDLER `string`	URL of the Automation rule handler. `HANDLER` can be obtained using the placement.get method in the `handler` field. If the parameter is not provided or is empty, the method removes all handlers for the specified Automation rule registered by the application.
USER_ID `integer`	Identifier of the Bitrix24 user for whom the handler was registered. `USER_ID` can be obtained by: using the user.get method using the user.current method for the current user If the parameter is provided, the method removes only the handlers for the specified user.

Code Examples

How to Use Examples in Documentation

Example of removing a registered Automation rule handler, where:

PLACEMENT — identifier of the Automation rule placement
HANDLER — URL of the Automation rule handler

cURL (OAuth)

PHP

BX24.js

PHP CRest

curl -X POST \
          -H "Content-Type: application/json" \
          -d '{
            "PLACEMENT": "CRM_LEAD_DETAIL_TAB",
            "HANDLER": "https://www.myapplicationhost.com/placement/",
            "auth": "**put_access_token_here**"
          }' \
          "https://**put.your-domain-here**/rest/placement.unbind.json"

try
        {
        	const response = await $b24.callMethod(
        		'placement.unbind',
        		{
        			PLACEMENT: 'CRM_LEAD_DETAIL_TAB',
        			HANDLER: 'https://www.myapplicationhost.com/placement/'
        		}
        	);
        
        	const result = response.getData().result;
        	console.info(result);
        }
        catch (error)
        {
        	console.error(error);
        }

try {
            $response = $b24Service
                ->core
                ->call(
                    'placement.unbind',
                    [
                        'PLACEMENT' => 'CRM_LEAD_DETAIL_TAB',
                        'HANDLER' => 'https://www.myapplicationhost.com/placement/',
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error unbinding placement: ' . $e->getMessage();
        }

BX24.callMethod(
            'placement.unbind',
            {
                PLACEMENT: 'CRM_LEAD_DETAIL_TAB',
                HANDLER: 'https://www.myapplicationhost.com/placement/'
            },
            function(result)
            {
                if (result.error())
                {
                    console.error(result.error());
                }
                else
                {
                    console.info(result.data());
                }
            }
        );

$result = CRest::call(
            'placement.unbind',
            [
                'PLACEMENT' => 'CRM_LEAD_DETAIL_TAB',
                'HANDLER' => 'https://www.myapplicationhost.com/placement/',
            ]
        );
        
        echo '<pre>';
        print_r($result);
        echo '</pre>';

Response Handling

HTTP Status: 200

{
            "result": {
                "count": 4
            },
            "time": {
                "start": 1775058296,
                "finish": 1775058296.998083,
                "duration": 0.9980831146240234,
                "processing": 0,
                "date_start": "2026-04-01T18:44:56+02:00",
                "date_finish": "2026-04-01T18:44:56+02:00",
                "operating_reset_at": 1775058896,
                "operating": 0
            }
        }

Returned Data

Name
type

Description

result
object

Object with the result of the removal:

count integer — number that the method increments:
- by 1 for each found handler record before the removal call
- by another 1 after each successful removal

time
time

Information about the execution time of the request

Error Handling

HTTP Status: 403

{
            "error": "WRONG_AUTH_TYPE",
            "error_description": "Current authorization type is denied for this method Application context required"
        }

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
`403`	`WRONG_AUTH_TYPE`	Current authorization type is denied for this method Application context required	Method call not from application context
`403`	`ACCESS_DENIED`	Access denied!	User is not an administrator
`400`	`ERROR_ARGUMENT`	Argument 'PLACEMENT' is null or empty	'PLACEMENT' not provided or empty value passed
`400`	`ERROR_ARGUMENT`	The value of an argument 'PLACEMENT' must be of type string	'PLACEMENT' parameter passed is not a string

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

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Remove Registered Automation Rule Handler placement.unbind

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