Get leads, contacts, and companies with matching data crm.duplicate.findbycomm

Scope: crm

Who can execute the method: user with read access permission to CRM entities

The method crm.duplicate.findbycomm returns the identifiers of leads, contacts, and companies that contain phone numbers or email addresses from a specified list. The search does not consider the phone extension.

Method Parameters

Required parameters are marked with *

Name
type

Description

type*
string

Type of communication. Possible values:

  • EMAIL — email address
  • PHONE — phone

values*
string[]

Array of emails or phone numbers.

Maximum number of values — 20

entity_type
string

Type of object. Possible values:

  • LEAD — lead
  • CONTACT — contact
  • COMPANY — company

If not specified — the search is performed across all three types

Method Operation Features

If 20 or more duplicates are found for one object, the other types are not returned. For example, if entity_type is not specified and duplicates are expected across all three objects, but there are 20 or more duplicates in leads, contacts and companies will not be returned. If there are 20 or more duplicates in contacts, we will receive duplicates for leads and contacts, while the company will be absent from the selection.

Code Examples

How to Use Examples in Documentation

curl -X POST \
             -H "Content-Type: application/json" \
             -H "Accept: application/json" \
             -d '{"entity_type":"CONTACT","type":"PHONE","values":["1234567","11223355"]}' \
             https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/crm.duplicate.findbycomm
        
curl -X POST \
             -H "Content-Type: application/json" \
             -H "Accept: application/json" \
             -d '{"auth":"**put_access_token_here**","entity_type":"CONTACT","type":"PHONE","values":["1234567","11223355"]}' \
             https://**put_your_bitrix24_address**/rest/crm.duplicate.findbycomm
        
try
        {
        	const response = await $b24.callMethod(
        		'crm.duplicate.findbycomm',
        		{
        			entity_type: 'CONTACT',
        			type: 'PHONE',
        			values: ['1234567', '11223355']
        		}
        	);
        	
        	const result = response.getData().result;
        	if (result.error()) {
        		console.error(result.error());
        	} else {
        		console.dir(result);
        	}
        }
        catch( error )
        {
        	console.error('Error:', error);
        }
        
try {
            $response = $b24Service
                ->core
                ->call(
                    'crm.duplicate.findbycomm',
                    [
                        'entity_type' => 'CONTACT',
                        'type'        => 'PHONE',
                        'values'      => ['1234567', '11223355'],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            if ($result->error()) {
                error_log($result->error());
            } else {
                echo 'Duplicate data: ' . print_r($result->data(), true);
            }
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error finding duplicates by communication: ' . $e->getMessage();
        }
        
BX24.callMethod(
            "crm.duplicate.findbycomm",
            {
                entity_type: "CONTACT",
                type: "PHONE",
                values: ["1234567", "11223355"]
            },
            function(result) {
                if(result.error())
                    console.error(result.error());
                else
                    console.dir(result.data());
            }
        );
        
require_once('crest.php');
        
        $result = CRest::call(
            'crm.duplicate.findbycomm',
            [
                'entity_type' => 'CONTACT',
                'type' => 'PHONE',
                'values' => ['1234567', '11223355']
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';
        

Response Handling

HTTP status: 200

{
            "result": {
                "CONTACT": [275, 2297]
            },
            "time": {
                "start": 1750684060.672785,
                "finish": 1750684060.724903,
                "duration": 0.05211806297302246,
                "processing": 0.018191099166870117,
                "date_start": "2025-06-23T16:07:40+02:00",
                "date_finish": "2025-06-23T16:07:40+02:00",
                "operating_reset_at": 1750684660,
                "operating": 0
            }
        }
        

Returned Data

Name
type

Description

LEAD
integer[]

Array of identifiers of found leads

CONTACT
integer[]

Array of identifiers of found contacts

COMPANY
integer[]

Array of identifiers of found companies

time
time

Information about the execution time of the request

Error Handling

HTTP status: 400

{
            "error": "Communication type is not defined",
            "error_description": "Parameter 'type' is 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

Code

Description

Value

403

Access denied

User does not have permission to read CRM entities

400

Communication type is not defined

Required parameter type is not specified

400

Communication type '{type}' is not supported in current context

An unsupported communication type was specified

400

Communication values is not defined

Required parameter values is not specified

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 allowed to be called 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 methods must be called using the HTTPS protocol

503

OVERLOAD_LIMIT
REST API is blocked due to overload

The REST API is blocked due to overload. This is a manual individual block, to remove it you need to contact Bitrix24 technical support

403

ACCESS_DENIED
REST API is available only on commercial plans

The REST API is available only on commercial plans

403

INVALID_CREDENTIALS
Invalid request credentials

The user whose access token or webhook was used to call the method lacks 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 account administrator has allowed access to this application only for specific users

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 option "Temporary closure of the public part of the site". 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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