# Deregister Callback Listener ### `DELETE /callbacks/{accountName}/name/{service}` Stops ThingSpace from sending callback messages for the specified account and service. ## HTTP Request DELETE [https://thingspace.verizon.com/api/loc/v1/callbacks/{accountName}/name/{service}](/docs/standard-apis/connectivity-management/api-endpoints/connectivity-callbacks/deregister-callback/deregistercallback) ## Resource and Query Parameters You must include the name of the account and callback service in the path. | Parameter Name | Data Type | Description | |:----------------|:-----------|:-------------| | **accountName** *(required)* | string | The name of the billing account that has registered to receive callback messages. An account name is usually numeric, and must include any leading zeros. | | **service** *(required)* | string | The name of the callback service type that you want to stop. This must be `Location` for the Device Location Service callback. | ### Header Parameters The request header must contain a current ThingSpace authorization token and a current VZ-M2M session token. For more details on how to get these tokens, visit [Getting Started](https://thingspace.verizon.com/documentation/api-documentation.html#/http/session-management/guides/getting-started). | Parameter Name | Data Type | Description | |:----------------|:-----------|:-------------| | **Authorization** *(required)* | string | HTTP Authorization bearer token: <br> `Authorization: Bearer {token}`. | | **VZ-M2M-Token** *(required)* | string | A valid session token returned by `POST /api/m2m/v1/session/login`. | | **Content-Type** *(required)* | string | Must be application/json: `Content-Type: application/json`. | ## Request Body None. ## Success Responses **Status 200** A response to a successful request contains a single Boolean value: ```json { "success": true } ``` ### Example Success Response ```json { "accountName": "0000123456-00001", "serviceName": "Location" } ``` ## Failure Responses All error messages are returned in this format: ```json { "errorCode": "The 3-digit HTML error code", "errorMessage": "string" } ``` Error codes and messages are listed on the [Error Codes page](https://thingspace.verizon.com/documentation/api-documentation.html#/http/device-location/error-codes), along with explanations and suggestions for corrective actions.