Feature flags (beta)

List dependent feature flags by environment

For the complete documentation index, see llms.txt. For the full documentation snapshot, see llms-full.txt.

Flag prerequisites is an Enterprise feature

Flag prerequisites is available to customers on an Enterprise plan. To learn more, read about our pricing. To upgrade your plan, contact Sales.

List dependent flags across all environments for the flag specified in the path parameters. A dependent flag is a flag that uses another flag as a prerequisite. To learn more, read Flag prerequisites.

GET

api

flags

{projectKey}

{environmentKey}

{featureFlagKey}

dependent-flags

List dependent feature flags by environment

curl --request GET \
  --url https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags \
  --header 'Authorization: <api-key>'

import requests

url = "https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags"

headers = {"Authorization": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags"

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

	req.Header.Add("Authorization", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags")

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

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

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

{
  "items": [
    {
      "key": "dependent-flag-key-123abc",
      "_links": {},
      "_site": "{ \"href\": \"/example-project/example-environment/features/example-dependent-flag\", \"type\": \"text/html\" }",
      "name": "Example dependent flag"
    }
  ],
  "_links": {},
  "_site": "{ \"href\": \"/example-project/~/features/example-prereq-flag\", \"type\": \"text/html\" }"
}

{
  "code": "unauthorized",
  "message": "Invalid access token"
}

{
  "code": "forbidden",
  "message": "Forbidden. Access to the requested resource was denied."
}

{
  "code": "not_found",
  "message": "Invalid resource identifier"
}

{
  "code": "rate_limited",
  "message": "You've exceeded the API rate limit. Try again later."
}

Authorizations

Authorization

string

header

required

Path Parameters

projectKey

string<string>

required

The project key

environmentKey

string<string>

required

The environment key

featureFlagKey

string<string>

required

The feature flag key

Response

Dependent flags collection response

items

object[]

required

A list of dependent flags, which are flags that use the requested flag as a prerequisite

Show child attributes

_links

object

required

The location and content type of related resources

Show child attributes

_site

object

required

Details on how to access the prerequisite flag in the LaunchDarkly UI

Show child attributes

Example:

"{ \"href\": \"/example-project/~/features/example-prereq-flag\", \"type\": \"text/html\" }"

⌘I

List dependent feature flags by environment

curl --request GET \
  --url https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags \
  --header 'Authorization: <api-key>'

import requests

url = "https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags"

headers = {"Authorization": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags"

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

	req.Header.Add("Authorization", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.launchdarkly.com/api/v2/flags/{projectKey}/{environmentKey}/{featureFlagKey}/dependent-flags")

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

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

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

{
  "items": [
    {
      "key": "dependent-flag-key-123abc",
      "_links": {},
      "_site": "{ \"href\": \"/example-project/example-environment/features/example-dependent-flag\", \"type\": \"text/html\" }",
      "name": "Example dependent flag"
    }
  ],
  "_links": {},
  "_site": "{ \"href\": \"/example-project/~/features/example-prereq-flag\", \"type\": \"text/html\" }"
}

{
  "code": "unauthorized",
  "message": "Invalid access token"
}

{
  "code": "forbidden",
  "message": "Forbidden. Access to the requested resource was denied."
}

{
  "code": "not_found",
  "message": "Invalid resource identifier"
}

{
  "code": "rate_limited",
  "message": "You've exceeded the API rate limit. Try again later."
}