# Get unknown flags

GET https://app.unleash-instance.example.com/api/admin/metrics/unknown-flags

Returns a list of unknown flag reports from the last 24 hours, if any. Maximum of 1000.

Reference: https://docs.getunleash.io/api/get-unknown-flags

## OpenAPI Specification

```yaml
openapi: 3.1.1
info:
  title: Get unknown flags
  version: endpoint_unknownFlags.getUnknownFlags
paths:
  /api/admin/metrics/unknown-flags:
    get:
      operationId: get-unknown-flags
      summary: Get unknown flags
      description: >-
        Returns a list of unknown flag reports from the last 24 hours, if any.
        Maximum of 1000.
      tags:
        - - subpackage_unknownFlags
      parameters:
        - name: Authorization
          in: header
          description: Header authentication of the form `undefined <token>`
          required: true
          schema:
            type: string
      responses:
        '200':
          description: unknownFlagsResponseSchema
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/unknownFlagsResponseSchema'
components:
  schemas:
    UnknownFlagSchemaReportsItemsEnvironmentsItems:
      type: object
      properties:
        environment:
          type: string
          description: The environment in which the unknown flag was reported.
        seenAt:
          type: string
          format: date-time
          description: >-
            The date and time when the unknown flag was last seen in this
            environment.
      required:
        - environment
        - seenAt
    UnknownFlagSchemaReportsItems:
      type: object
      properties:
        appName:
          type: string
          description: The name of the application that reported the unknown flag.
        environments:
          type: array
          items:
            $ref: >-
              #/components/schemas/UnknownFlagSchemaReportsItemsEnvironmentsItems
          description: >-
            The list of environments where this application reported the unknown
            flag.
      required:
        - appName
        - environments
    unknownFlagSchema:
      type: object
      properties:
        name:
          type: string
          description: The name of the unknown flag.
        lastSeenAt:
          type: string
          format: date-time
          description: The date and time when the unknown flag was last reported.
        lastEventAt:
          type:
            - string
            - 'null'
          format: date-time
          description: >-
            The date and time when the last event for the unknown flag name
            occurred, if any.
        reports:
          type: array
          items:
            $ref: '#/components/schemas/UnknownFlagSchemaReportsItems'
          description: The list of reports for this unknown flag.
      required:
        - name
        - lastSeenAt
    unknownFlagsResponseSchema:
      type: object
      properties:
        unknownFlags:
          type: array
          items:
            $ref: '#/components/schemas/unknownFlagSchema'
          description: The list of recently reported unknown flags.
      required:
        - unknownFlags

```

## SDK Code Examples

```python
import requests

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

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

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

print(response.json())
```

```javascript
const url = 'https://app.unleash-instance.example.com/api/admin/metrics/unknown-flags';
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/unknown-flags"

	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/unknown-flags")

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/unknown-flags")
  .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/unknown-flags', [
  'headers' => [
    'Authorization' => '<apiKey>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://app.unleash-instance.example.com/api/admin/metrics/unknown-flags");
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/unknown-flags")! 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()
```