Add Task tasks.task.add

Scope: task

Who can execute the method: any user

The method tasks.task.add adds a new task.

Method Parameters

Required parameters are marked with *

Name
type

Description

fields*
object

Task fields. To create a task, fill in the required fields; without them, the creation operation will not be executed.

Parameter fields

Required parameters are marked with *

Name
type

Description

title*
string

Task title

creatorId*
integer

Creator's identifier.
The employee identifier can be obtained using the user.get method.

responsibleId*
integer

Executor's identifier.
The employee identifier can be obtained using the user.get method.

Code Examples

How to Use Examples in Documentation

The call to the new API differs by adding the parameter /api/ in the request:

https://{installation_address}/rest/api/{user_id}/{webhook_token}/tasks.task.add

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"fields":{"title":"Task Title","deadline":"2025-12-31T23:59:59+02:00","creatorId":29,"responsibleId":1,"crmItemIds":["L_1000959"]}}' \
        https://**put_your_bitrix24_address**/rest/api/**put_your_user_id_here**/**put_your_webhook_here**/tasks.task.add
        
curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"fields":{"title":"Task Title","deadline":"2025-12-31T23:59:59+02:00","creatorId":29,"responsibleId":1,"crmItemIds":["L_1000959"]},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/api/tasks.task.add
        

The SDK does not yet support calls to the address /rest/api/. Use direct HTTP requests, for example, via curl or fetch.

try
        {
            const response = await $b24.callMethod(
                'tasks.task.add',
                {
                    fields: {
                        title: 'Task Title',
                        deadline: '2025-12-31T23:59:59+02:00',
                        creatorId: 29,
                        responsibleId: 1,
                        crmItemIds: ['L_1000959']
                    }
                }
            );
            
            const result = response.getData().result;
            console.info('Task created with ID', result.item?.id);
        }
        catch( error )
        {
            console.error(error);
        }
        

The SDK does not yet support calls to the address /rest/api/. Use direct HTTP requests, for example, via curl or fetch.

try {
            $response = $b24Service
                ->core
                ->call(
                    'tasks.task.add',
                    [
                        'fields' => [
                            'title' => 'Task Title',
                            'deadline' => '2025-12-31T23:59:59+02:00',
                            'creatorId' => 29,
                            'responsibleId' => 1,
                            'crmItemIds' => ['L_1000959'],
                        ],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error creating task: ' . $e->getMessage();
        }
        

The SDK does not yet support calls to the address /rest/api/. Use direct HTTP requests, for example, via curl or fetch.

BX24.callMethod(
            'tasks.task.add',
            {
                fields: {
                    title: 'Task Title',
                    deadline: '2025-12-31T23:59:59+02:00',
                    creatorId: 29,
                    responsibleId: 1,
                    crmItemIds: ['L_1000959']
                }
            },
            function(result){
                console.info(result.data());
                console.log(result);
            }
        );
        

The SDK does not yet support calls to the address /rest/api/. Use direct HTTP requests, for example, via curl or fetch.

require_once('crest.php');
        
        $result = CRest::call(
            'tasks.task.add',
            [
                'fields' => [
                    'title' => 'Task Title',
                    'deadline' => '2025-12-31T23:59:59+02:00',
                    'creatorId' => 29,
                    'responsibleId' => 1,
                    'crmItemIds' => ['L_1000959']
                ]
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';
        

Response Handling

HTTP Status: 200

{
            "result": {
                "item": {
                    "id": 3839,
                    "title": "Task Title",
                    "description": "",
                    "deadline": "2026-01-01T00:59:59+03:00",
                    "needsControl": false,
                    "startPlan": null,
                    "endPlan": null,
                    "fileIds": null,
                    "checklist": [],
                    "epicId": null,
                    "storyPoints": null,
                    "priority": "average",
                    "status": "pending",
                    "statusChanged": null,
                    "parentId": null,
                    "containsChecklist": false,
                    "containsSubTasks": false,
                    "containsRelatedTasks": false,
                    "containsGanttLinks": false,
                    "containsPlacements": true,
                    "containsResults": false,
                    "numberOfReminders": 0,
                    "chatId": 2603,
                    "plannedDuration": 0,
                    "actualDuration": 0,
                    "durationType": "days",
                    "started": null,
                    "estimatedTime": 0,
                    "replicate": false,
                    "changed": "2025-12-11T12:25:33+03:00",
                    "closed": null,
                    "activity": "2025-12-11T12:25:33+03:00",
                    "guid": "{13d2c44c-730e-45dd-b99c-fdaad4e3c1fa}",
                    "xmlId": null,
                    "exchangeId": null,
                    "exchangeModified": null,
                    "outlookVersion": 1,
                    "mark": "none",
                    "allowsChangeDeadline": false,
                    "allowsTimeTracking": false,
                    "matchesWorkTime": false,
                    "addInReport": null,
                    "isMultitask": false,
                    "siteId": "s1",
                    "deadlineCount": null,
                    "declineReason": null,
                    "forumTopicId": null,
                    "link": "\/company\/personal\/user\/1\/tasks\/task\/view\/3839\/",
                    "rights": {
                        "read": true,
                        "watch": true,
                        "mute": true,
                        "createResult": true,
                        "edit": true,
                        "remove": true,
                        "complete": true,
                        "approve": false,
                        "disapprove": false,
                        "start": true,
                        "take": false,
                        "delegate": true,
                        "defer": true,
                        "renew": false,
                        "deadline": true,
                        "datePlan": true,
                        "changeDirector": false,
                        "changeResponsible": true,
                        "changeAccomplices": true,
                        "pause": false,
                        "timeTracking": false,
                        "mark": true,
                        "changeStatus": true,
                        "reminder": true,
                        "addAuditors": true,
                        "elapsedTime": true,
                        "favorite": true,
                        "checklistAdd": true,
                        "checklistEdit": true,
                        "checklistSave": true,
                        "checklistToggle": true,
                        "automate": true,
                        "resultEdit": false,
                        "completeResult": true,
                        "removeResult": false,
                        "resultRead": false,
                        "admin": true,
                        "createSubtask": true,
                        "copy": true,
                        "saveAsTemplate": true,
                        "attachFile": true,
                        "detachFile": true,
                        "detachParent": true,
                        "createGanttDependence": true,
                        "sort": false
                    },
                    "archiveLink": "\/bitrix\/tools\/disk\/uf.php?entityId=3839\u0026entity=TASKS_TASK\u0026fieldName=UF_TASK_WEBDAV_FILES\u0026signature=89f4f46e33905bcb0899c8cb9613a62cf8e104b182824e799d2aeb9d1e5bf526\u0026action=downloadArchiveByEntity\u0026ncc=1",
                    "crmItemIds": [
                        "L_1000959"
                    ],
                    "requireResult": false,
                    "matchesSubTasksTime": false,
                    "autocompleteSubTasks": false,
                    "allowsChangeDatePlan": false,
                    "maxDeadlineChangeDate": null,
                    "maxDeadlineChanges": null,
                    "requireDeadlineChangeReason": false,
                    "inFavorite": [],
                    "inPin": [],
                    "inGroupPin": [],
                    "inMute": [],
                    "dependsOn": [],
                    "scenarios": [
                        "default"
                    ]
                }
            },
            "time": {
                "start": 1765445133,
                "finish": 1765445134.139558,
                "duration": 1.1395580768585205,
                "processing": 1,
                "date_start": "2025-12-11T12:25:33+03:00",
                "date_finish": "2025-12-11T12:25:34+03:00",
                "operating_reset_at": 1765445733,
                "operating": 0
            }
        }
        

Returned Data

Name
type

Description

result
object

Object with response data

item
object

Object with task field values. Description of task fields with related objects

time
time

Information about the request execution time

Error Handling

HTTP Status: 400

{
            "error": {
                "code": "BITRIX_REST_V3_EXCEPTION_VALIDATION_REQUESTVALIDATIONEXCEPTION",
                "message": "Error validating the request object",
                "validation": [
                    {
                        "message": "The `deadline` field requires a `DateTime` data type for this request",
                        "field": "deadline"
                    }
                ]
            }
        }
        

Name
type

Description

error.code
string

String error code. Use it to identify the type of exception

error.message
string

Text description of the error

error.validation
array

Array with error details. Present only in data validation errors BITRIX_REST_V3_EXCEPTION_VALIDATION_REQUESTVALIDATIONEXCEPTION

error.validation[].field
string

Name of the field where the validation error occurred

error.validation[].message
string

Description of the error related to the specified field

Possible Error Codes

Request Validation Errors

Error Code: BITRIX_REST_V3_EXCEPTION_VALIDATION_REQUESTVALIDATIONEXCEPTION

Field

Error Description

How to Fix

title
responsibleId
creatorId
fields

Required field #FIELD# is missing

Add the specified field to the request body

#FIELD#

The #FIELD# field requires a data type of #TYPE# for this request

Ensure that the provided value is of the correct type

responsibleId

The user specified in the "Executor" field was not found

Specify the identifier of an existing user in the responsibleId field

creatorId

""

Specify the identifier of an existing user in the creatorId field

parentId

The task specified in the "Parent Task" field was not found

Specify the identifier of an existing task in the parentId field

endPlan

The end date in the scheduling is earlier than the start date

Specify an endPlan date later than startPlan

endPlan

The scheduling indicates a task duration that is too long

Reduce the date in the endPlan field

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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