> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.getunleash.io/api/get-lifecycle-trends/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.getunleash.io/_mcp/server.

# Get lifecycle trends

GET https://app.unleash-instance.example.com/api/admin/insights/lifecycle

**Enterprise feature**

Gets lifecycle trends information showing feature flag progression across development, production, and cleanup stages.

Reference: https://docs.getunleash.io/api/get-lifecycle-trends

## Authentication

- `Authorization` header (required) — API key needed to access this API
- `Authorization` header (bearer token, required) — API key needed to access this API, in Bearer token format

## Request

### Query parameters

- `projects` (string, optional) — Comma-separated list of project IDs to filter lifecycle trends

## Response

### 200

lifecycleTrendsSchema

- `lifecycleTrends` (LifecycleTrendsSchemaLifecycleTrends, required) — Aggregated view of feature flag lifecycle across environments

## Types

### LifecycleTrendsSchemaLifecycleTrends

Aggregated view of feature flag lifecycle across environments

- `develop` (LifecycleTrendsSchemaLifecycleTrendsDevelop, required)
- `production` (LifecycleTrendsSchemaLifecycleTrendsProduction, required)
- `cleanup` (LifecycleTrendsSchemaLifecycleTrendsCleanup, required)

### LifecycleTrendsSchemaLifecycleTrendsDevelop

- `totalFlags` (double, required)
- `medianDaysInCurrentStage` (double, required)
- `medianDaysHistorically` (double, required)
- `categories` (LifecycleTrendsSchemaLifecycleTrendsDevelopCategories, required)

### LifecycleTrendsSchemaLifecycleTrendsProduction

- `totalFlags` (double, required)
- `medianDaysInCurrentStage` (double, required)
- `medianDaysHistorically` (double, required)
- `categories` (LifecycleTrendsSchemaLifecycleTrendsProductionCategories, required)

### LifecycleTrendsSchemaLifecycleTrendsCleanup

- `totalFlags` (double, required)
- `medianDaysInCurrentStage` (double, required)
- `medianDaysHistorically` (double, required)
- `categories` (LifecycleTrendsSchemaLifecycleTrendsCleanupCategories, required)

### LifecycleTrendsSchemaLifecycleTrendsDevelopCategories

- `experimental` (LifecycleTrendsSchemaLifecycleTrendsDevelopCategoriesExperimental, required)
- `release` (LifecycleTrendsSchemaLifecycleTrendsDevelopCategoriesRelease, required)
- `permanent` (LifecycleTrendsSchemaLifecycleTrendsDevelopCategoriesPermanent, required)

### LifecycleTrendsSchemaLifecycleTrendsProductionCategories

- `experimental` (LifecycleTrendsSchemaLifecycleTrendsProductionCategoriesExperimental, required)
- `release` (LifecycleTrendsSchemaLifecycleTrendsProductionCategoriesRelease, required)
- `permanent` (LifecycleTrendsSchemaLifecycleTrendsProductionCategoriesPermanent, required)

### LifecycleTrendsSchemaLifecycleTrendsCleanupCategories

- `experimental` (LifecycleTrendsSchemaLifecycleTrendsCleanupCategoriesExperimental, required)
- `release` (LifecycleTrendsSchemaLifecycleTrendsCleanupCategoriesRelease, required)
- `permanent` (LifecycleTrendsSchemaLifecycleTrendsCleanupCategoriesPermanent, required)

### LifecycleTrendsSchemaLifecycleTrendsDevelopCategoriesExperimental

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsDevelopCategoriesRelease

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsDevelopCategoriesPermanent

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsProductionCategoriesExperimental

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsProductionCategoriesRelease

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsProductionCategoriesPermanent

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsCleanupCategoriesExperimental

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsCleanupCategoriesRelease

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

### LifecycleTrendsSchemaLifecycleTrendsCleanupCategoriesPermanent

- `flagsOlderThanWeek` (double, required)
- `newFlagsThisWeek` (double, required)

## Examples

**Response**

```json
{
  "lifecycleTrends": {
    "develop": {
      "totalFlags": 35,
      "medianDaysInCurrentStage": 28,
      "medianDaysHistorically": 25,
      "categories": {
        "experimental": {
          "flagsOlderThanWeek": 15,
          "newFlagsThisWeek": 13
        },
        "release": {
          "flagsOlderThanWeek": 13,
          "newFlagsThisWeek": 0
        },
        "permanent": {
          "flagsOlderThanWeek": 7,
          "newFlagsThisWeek": 0
        }
      }
    },
    "production": {
      "totalFlags": 10,
      "medianDaysInCurrentStage": 14,
      "medianDaysHistorically": 12,
      "categories": {
        "experimental": {
          "flagsOlderThanWeek": 2,
          "newFlagsThisWeek": 5
        },
        "release": {
          "flagsOlderThanWeek": 2,
          "newFlagsThisWeek": 1
        },
        "permanent": {
          "flagsOlderThanWeek": 3,
          "newFlagsThisWeek": 0
        }
      }
    },
    "cleanup": {
      "totalFlags": 5,
      "medianDaysInCurrentStage": 16,
      "medianDaysHistorically": 18,
      "categories": {
        "experimental": {
          "flagsOlderThanWeek": 0,
          "newFlagsThisWeek": 3
        },
        "release": {
          "flagsOlderThanWeek": 0,
          "newFlagsThisWeek": 1
        },
        "permanent": {
          "flagsOlderThanWeek": 1,
          "newFlagsThisWeek": 0
        }
      }
    }
  }
}
```

**SDK Code**

```python
import requests

url = "https://app.unleash-instance.example.com/api/admin/insights/lifecycle"

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

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

print(response.json())
```

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

	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/insights/lifecycle")

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/insights/lifecycle")
  .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/insights/lifecycle', [
  'headers' => [
    'Authorization' => '<apiKey>',
  ],
]);

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

```csharp
using RestSharp;

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