# Get application data

GET https://app.unleash-instance.example.com/api/admin/metrics/applications/{appName}

Returns data about the specified application (`appName`). The data contains information on the name of the application, sdkVersion (which sdk reported these metrics, typically `unleash-client-node:3.4.1` or `unleash-client-java:7.1.0`), as well as data about how to display this application in a list.

Reference: https://docs.getunleash.io/api/get-application

## OpenAPI Specification

```yaml
openapi: 3.1.1
info:
  title: Get application data
  version: endpoint_metrics.getApplication
paths:
  /api/admin/metrics/applications/{appName}:
    get:
      operationId: get-application
      summary: Get application data
      description: >-
        Returns data about the specified application (`appName`). The data
        contains information on the name of the application, sdkVersion (which
        sdk reported these metrics, typically `unleash-client-node:3.4.1` or
        `unleash-client-java:7.1.0`), as well as data about how to display this
        application in a list.
      tags:
        - - subpackage_metrics
      parameters:
        - name: appName
          in: path
          required: true
          schema:
            type: string
        - name: Authorization
          in: header
          description: Header authentication of the form `undefined <token>`
          required: true
          schema:
            type: string
      responses:
        '200':
          description: applicationSchema
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/applicationSchema'
        '404':
          description: The requested resource was not found.
          content: {}
components:
  schemas:
    applicationUsageSchema:
      type: object
      properties:
        project:
          type: string
          description: Name of the project
        environments:
          type: array
          items:
            type: string
          description: Which environments have been accessed in this project.
      required:
        - project
        - environments
    applicationSchema:
      type: object
      properties:
        appName:
          type: string
          description: Name of the application
        sdkVersion:
          type: string
          description: >-
            Which SDK and version the application reporting uses. Typically
            represented as `<identifier>:<version>`
        strategies:
          type: array
          items:
            type: string
          description: >-
            Which
            [strategies](https://docs.getunleash.io/concepts#activation-strategies)
            the application has loaded. Useful when trying to figure out if your
            [custom
            strategy](https://docs.getunleash.io/concepts/activation-strategies#custom-strategies)
            has been loaded in the SDK
        description:
          type: string
          description: >-
            Extra information added about the application reporting the metrics.
            Only present if added via the Unleash Admin interface
        url:
          type: string
          description: >-
            A link to reference the application reporting the metrics. Could for
            instance be a GitHub link to the repository of the application
        color:
          type: string
          description: >-
            The CSS color that is used to color the application's entry in the
            application list
        icon:
          type: string
          description: >-
            An URL to an icon file to be used for the applications's entry in
            the application list
        usage:
          type: array
          items:
            $ref: '#/components/schemas/applicationUsageSchema'
          description: The list of projects the application has been using.
      required:
        - appName

```

## SDK Code Examples

```python
import requests

url = "https://app.unleash-instance.example.com/api/admin/metrics/applications/appName"

headers = {"Authorization": "<apiKey>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://app.unleash-instance.example.com/api/admin/metrics/applications/appName';
const options = {method: 'GET', headers: {Authorization: '<apiKey>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://app.unleash-instance.example.com/api/admin/metrics/applications/appName"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "<apiKey>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://app.unleash-instance.example.com/api/admin/metrics/applications/appName")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<apiKey>'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://app.unleash-instance.example.com/api/admin/metrics/applications/appName")
  .header("Authorization", "<apiKey>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://app.unleash-instance.example.com/api/admin/metrics/applications/appName', [
  'headers' => [
    'Authorization' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://app.unleash-instance.example.com/api/admin/metrics/applications/appName");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "<apiKey>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "<apiKey>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://app.unleash-instance.example.com/api/admin/metrics/applications/appName")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```