> ## Documentation Index > Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt > Use this file to discover all available pages before exploring further. # Update an external contact > Call this API to update an external contact of an organization. Documents the request parameters and response structure. Call this API to update an external contact of your organization. ## Request | **Basic information** | | | --------------------- | ---------------------------------------------------------------------------------------------------- | | HTTP URL | [https://api.dingtalk.io/topapi/extcontact/update](https://api.dingtalk.io/topapi/extcontact/update) | | HTTP Method | POST | | Supported app types | appType-Internal app | | Permissions required | permission-qyapi\_ext\_write-Write permission for external contacts | ### Query parameters | Name | Type | Required | Example | Description | | ------------- | ------ | -------- | -------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | | access\_token | String | Yes | 6d1bxxxx | The app credential used to call this API. Obtain it through the API for getting the [access\_token of an internal app](/open/development/obtain-orgapp-token). | ### Request body | Name | Type | Required | Example | Description | | ------------------ | -------------- | -------- | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | contact | OpenExtContact | Yes | | The external contact information. | | title | String | No | Development Engineer | The job title. | | label\_ids | Number\[] | Yes | \[1,2,3] | The tag list. Call the [Get the external contact list](/open/development/obtain-the-external-contact-list) API to query tag information. Refer to [How to customize tag groups for an organization](https://tms.dingtalk.io/markets/dingtalk/biaoqianzu) to add custom tags. A maximum of 20 labelIds can be passed per call. | | share\_dept\_ids | Number\[] | No | \[420606536] | The IDs of departments to share with. Call the [Get the sub-department ID list](/open/development/obtain-the-list-of-sub-department-ids) API to obtain them. A maximum of 20 department IDs can be passed per call. | | address | String | No | Beijing | The address. | | remark | String | No | Technical Lead | The alias. | | follower\_user\_id | String | Yes | 023420013645 | The userId of the owner. | | name | String | Yes | Zhang xx | The name of the external contact. | | user\_id | String | Yes | 123420013632 | The userId of the external contact. Call the [Get the external contact list](/open/development/obtain-the-external-contact-list) API to obtain it. | | company\_name | String | No | DingTalk | The organization name of the external contact. | | share\_user\_ids | String\[] | No | \["023420013644"] | The list of userids of employees to share with. A maximum of 20 labelIds can be passed per call. | ### Request example ```curl theme={"theme":{"light":"github-light","dark":"github-dark"}} curl -X POST "https://api.dingtalk.io/topapi/extcontact/update" \ -H 'Content-Type:application/x-www-form-urlencoded;charset=utf-8' \ -d 'access_token=34ddexxxx6c95' \ -d 'contact=null' ``` Java ```text theme={"theme":{"light":"github-light","dark":"github-dark"}} DingTalkClient client = new DefaultDingTalkClient("https://api.dingtalk.io/topapi/extcontact/update"); OapiExtcontactUpdateRequest req = new OapiExtcontactUpdateRequest(); OapiExtcontactUpdateRequest.OpenExtContact contact = new OapiExtcontactUpdateRequest.OpenExtContact(); contact.setTitle("Development Engineer"); contact.setLabelIds(Arrays.asList(1L,2L,3L)); contact.setShareDeptIds(Arrays.asList(420606536 L)); contact.setAddress("Beijing"); contact.setRemark("Technical Lead"); contact.setFollowerUserId("023420013645"); contact.setName("Zhang xx"); contact.setUserId("123420013632"); contact.setCompanyName("DingTalk"); contact.setShareUserIds(Arrays.asList("user123")); req.setContact(contact); OapiExtcontactUpdateResponse rsp = client.execute(req, access_token); System.out.println(rsp.getBody()); ``` Python ```python theme={"theme":{"light":"github-light","dark":"github-dark"}} import dingtalk.api req=dingtalk.api.OapiExtcontactUpdateRequest("https://api.dingtalk.io/topapi/extcontact/update") req.contact="" try: resp= req.getResponse(access_token) print(resp) except Exception,e: print(e) ``` PHP ```php theme={"theme":{"light":"github-light","dark":"github-dark"}} include "TopSdk.php"; date_default_timezone_set('Asia/Shanghai'); $c = new DingTalkClient(DingTalkConstant::$CALL_TYPE_OAPI, DingTalkConstant::$METHOD_POST , DingTalkConstant::$FORMAT_JSON); $req = new OapiExtcontactUpdateRequest; $contact = new OpenExtContact; $contact->title="Development Engineer"; $contact->label_ids="[1,2,3]"; $contact->share_dept_ids="[1,2,3]"; $contact->address="Address details"; $contact->remark="Remark details"; $contact->follower_user_id="023420013645"; $contact->name="John"; $contact->user_id="123420013632"; $contact->company_name="DingTalk"; $contact->share_user_ids="[\"023420013644\"]"; $req->setContact($contact); $resp = $c->execute($req, $access_token, "https://api.dingtalk.io/topapi/extcontact/update"); ``` C# ```text theme={"theme":{"light":"github-light","dark":"github-dark"}} IDingTalkClient client = new DefaultDingTalkClient("https://api.dingtalk.io/topapi/extcontact/update"); OapiExtcontactUpdateRequest req = new OapiExtcontactUpdateRequest(); OapiExtcontactUpdateRequest.OpenExtContactDomain obj1 = new OapiExtcontactUpdateRequest.OpenExtContactDomain(); obj1.Title = "Development Engineer"; obj1.LabelIds = new long[] { 1,2,3 }; obj1.ShareDeptIds = new long[] { 1,2,3 }; obj1.Address = "Address details"; obj1.Remark = "Remark details"; obj1.FollowerUserId = "023420013645"; obj1.Name = "John"; obj1.UserId = "123420013632"; obj1.CompanyName = "DingTalk"; obj1.ShareUserIds = ""023420013644""; req.Contact_ = obj1; OapiExtcontactUpdateResponse rsp = client.Execute(req, access_token); Console.WriteLine(rsp.Body); ``` ## Response ### Response body | Name | Type | Example | Description | | ----------- | ------ | ------------ | ---------------- | | errcode | Number | 0 | The return code. | | request\_id | String | 8n3mksu5hqzy | The request ID. | ### Response body example ```json theme={"theme":{"light":"github-light","dark":"github-dark"}} { "errcode":0, "request_id": "8n3mksu5hqzy"" } ``` ### Error codes If an error occurs when you call this API, look up a solution in the [Global error codes](/open/development/server-api-error-codes-1) document based on the error message. | Error code (errcode) | Error message (errmsg) | Solution | | -------------------- | ------------------------------------------------- | ----------------------------------------------------------------------------- | | 33009 | Invalid tokenGrantType | Check whether the access\_token is correct. | | 40036 | Empty parameter | Check whether all required parameters are filled in. | | 40003 | Invalid userId | Check whether the userId is correct. | | 60112 | Invalid user name | Check whether the user name is correct. | | 60121 | The corresponding user is not found | Check whether the user information is correct. | | 60204 | A label is required for the external contact | Fill in the label\_ids for the external contact. | | 43007 | Permission required | Check whether the access\_token has the permission to perform this operation. | | 60103 | Invalid mobile number | Check whether the mobile number is correct. | | 60200 | The external contact already exists | Check whether the external contact information is correct. | | 60203 | The number of external contacts exceeds the limit | Remove some external contacts. | | -1 | System busy | Try again later. |