## Get the Callback Information of Diagnostics Subscription ### GET /callbacks?accountName={account} Receive the registered callback information of an existing Diagnostics subscription. ### Uses and Requirements The user will be provided with the following callback information for their existing Diagnostics subscriptions: - Account name - Service name - Endpoint (the URL of the user’s server) - The user’s HTTP headers - Date the request was created ### Request Components HTTP Request GET [https://thingspace.verizon.com/api/diagnostics/v1/callbacks?accountName={account}](/docs/premium-apis/device-diagnostics/api-endpoints/diagnostics-callbacks/getdiagnosticssubscriptioncallbackinfo) ### Resource Path and Query Parameters The account name must be included in the path. | Parameter Name | Data Type | Description | |:---------------------:|:---------:|:----------------------------------------------------------------------------------------------------------------------------------------------------------:| | accountName required | string | The name of the billing account from which you want to delete callback messages. An account name is usually numeric, and must include any leading zeros. | ### Header Parameters The request header must contain a current ThingSpace authorization bearer token and a valid VZ-M2M session token, and must set the content-type to JSON. | Parameter Name | Data Type | Description | |:-----------------------:|:---------:|:------------------------------------------------------:| | Authorization required | string | HTTP Authorization bearer token. | | VZ-M2M-Token required | string | A valid session token returned by POST /session/login. | | Content-Type required | string | Must be application/json. | ### Request Body None. ### Success Responses Status 200 | Parameter Name | Data Type | Description | |:--------------:|:------------------:|:---------------------------------------------------------------------------------------------------------------------------:| | accountName | string | The name of the billing account for which callback messages will be sent. | | serviceName | string | The name of the callback service, which identifies the type and format of messages that will be sent to the registered URL. | | endpoint | string | The URL for your web server. | | httpHeaders | string | Your http headers. | | createdOn | string($date-time) | The date and time of when this request was created. | ### Example Success Response ```json { "accountName": "TestQAAccount", "serviceName": "string", "endpoint": "https://yourwebsite.com", "httpHeaders": {}, "createdOn": "2019-09-07T23:57:53.292Z" } ``` ### Failure Responses Status 400 All error messages are returned in this format: ```json { "errorCode": "error code string", "errorMessage": "error message string" } ```