---
title: "GET /applications/{applicationId}"
method: GET
path: "/applications/{applicationId}"
---

# GET /applications/{applicationId}

`GET /applications/{applicationId}`

Gets information about a Fleet Hub for AWS IoT Device Management web application.

Fleet Hub for AWS IoT Device Management is in public preview and is subject to change.

## Path parameters

- `applicationId` string, required

## Response `200`

Success

- DescribeApplicationResponse
  - `applicationId` string, required — The unique Id of the web application.
  - `applicationArn` string, required — The ARN of the web application.
  - `applicationName` string, required — The name of the web application.
  - `applicationDescription` string — An optional description of the web application.
  - `applicationUrl` string, required — The URL of the web application.
  - `applicationState` 'CREATING' | 'DELETING' | 'ACTIVE' | 'CREATE_FAILED' | 'DELETE_FAILED', required — The current state of the web application.
  - `applicationCreationDate` integer, required — The date (in Unix epoch time) when the application was created.
  - `applicationLastUpdateDate` integer, required — The date (in Unix epoch time) when the application was last updated.
  - `roleArn` string, required — The ARN of the role that the web application assumes when it interacts with AWS IoT Core.
  - `ssoClientId` string — The Id of the single sign-on client that you use to authenticate and authorize users on the web application.
  - `errorMessage` string — A message indicating why the <code>DescribeApplication</code> API failed.
  - `tags` object — A set of key/value pairs that you can use to manage the web application resource.

## Other responses

- `480` — InvalidRequestException
- `481` — ResourceNotFoundException
- `482` — InternalFailureException
- `483` — ThrottlingException

---

[API](https://skmtc.net/aws/apis/iotfleethub.md) · [All operations](https://skmtc.net/aws/apis/iotfleethub/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/iotfleethub/versions/7271901edbff/schema)