# Modify batch of contacts **POST /api-v1/contact/batch** ## Servers - https://wyzio.app: https://wyzio.app () ## Parameters #### Headers - **TARGET-ORGANIZATION-ID** (integer(int32)) ID of organization, for which the operation must be performed - **WEAL-TOKEN** (string) API token (can be retrieved from account settings) ## Body parameters Content-type: application/json contacts - **additionalInformation** (array[object]) - **addresses** (array[object]) - **archived** (boolean) - **banks** (array[object]) - **client** (object) - **communications** (array[object]) - **contactId** (integer) - **contactType** (string) - **defaultLanguage** (string) - **defaultModule** (string) - **ecorrespondence** (boolean) - **email** (string) - **externalId** (string) - **fax** (string) - **groupRoles** (array[object]) - **id** (integer) - **isCustomer** (boolean) - **isStaff** (boolean) - **isUser** (boolean) - **isVendor** (boolean) - **mobile** (string) - **organizationId** (integer) - **organizationUsesTimesheets** (boolean) - **permissionsTree** (array[object]) - **phone** (string) - **relatedContactIds** (array[integer]) - **relatedOrganizationContactIds** (array[integer]) - **staff** (object) - **supplier** (object) - **tags** (array[object]) - **userGroups** (array[object]) - **warnings** (string) - **webSite** (string) ## Responses ### 200: OK #### Body Parameters: application/json (object) - **items** (array[object]) ### 400: Error ### 401: 401 Unauthorized ### 403: 403 Access Denied ### 404: 404 Not Found ### 500: 500 Internal Server Error [Powered by Bump.sh](https://bump.sh)