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---
stage: Release
group: Release
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
---
# Legacy Feature Flags API **(CORE)**
> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/9566) in [GitLab Premium](https://about.gitlab.com/pricing/) 12.5.
> - [Moved](https://gitlab.com/gitlab-org/gitlab/-/issues/212318) to [GitLab Starter](https://about.gitlab.com/pricing/) in 13.4.
> - [Moved](https://gitlab.com/gitlab-org/gitlab/-/issues/212318) to [GitLab Core](https://about.gitlab.com/pricing/) in 13.5.
WARNING:
This API is deprecated and [scheduled for removal in GitLab 14.0](https://gitlab.com/gitlab-org/gitlab/-/issues/213369). Use [this API](feature_flags.md) instead.
API for accessing resources of [GitLab Feature Flags](../operations/feature_flags.md).
Users with Developer or higher [permissions](../user/permissions.md) can access Feature Flag API.
## Feature Flags pagination
By default, `GET` requests return 20 results at a time because the API results
are [paginated](README.md#pagination).
## List feature flags for a project
Gets all feature flags of the requested project.
```plaintext
GET /projects/:id/feature_flags
```
| Attribute | Type | Required | Description |
| ------------------- | ---------------- | ---------- | --------------------------------------------------------------------------------------------------------------------------- |
| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding). |
| `scope` | string | no | The condition of feature flags, one of: `enabled`, `disabled`. |
```shell
curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/feature_flags"
```
Example response:
```json
[
{
"name":"merge_train",
"description":"This feature is about merge train",
"active": true,
"created_at":"2019-11-04T08:13:51.423Z",
"updated_at":"2019-11-04T08:13:51.423Z",
"scopes":[
{
"id":82,
"active":false,
"environment_scope":"*",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:51.425Z",
"updated_at":"2019-11-04T08:13:51.425Z"
},
{
"id":83,
"active":true,
"environment_scope":"review/*",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:51.427Z",
"updated_at":"2019-11-04T08:13:51.427Z"
},
{
"id":84,
"active":false,
"environment_scope":"production",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:51.428Z",
"updated_at":"2019-11-04T08:13:51.428Z"
}
]
},
{
"name":"new_live_trace",
"description":"This is a new live trace feature",
"active": true,
"created_at":"2019-11-04T08:13:10.507Z",
"updated_at":"2019-11-04T08:13:10.507Z",
"scopes":[
{
"id":79,
"active":false,
"environment_scope":"*",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:10.516Z",
"updated_at":"2019-11-04T08:13:10.516Z"
},
{
"id":80,
"active":true,
"environment_scope":"staging",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:10.525Z",
"updated_at":"2019-11-04T08:13:10.525Z"
},
{
"id":81,
"active":false,
"environment_scope":"production",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:10.527Z",
"updated_at":"2019-11-04T08:13:10.527Z"
}
]
}
]
```
## New feature flag
Creates a new feature flag.
```plaintext
POST /projects/:id/feature_flags
```
| Attribute | Type | Required | Description |
| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding). |
| `name` | string | yes | The name of the feature flag. |
| `description` | string | no | The description of the feature flag. |
| `active` | boolean | no | The active state of the flag. Defaults to true. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
| `scopes` | JSON | no | The feature flag specs of the feature flag. |
| `scopes:environment_scope` | string | no | The environment spec. |
| `scopes:active` | boolean | no | Whether the spec is active. |
| `scopes:strategies` | JSON | no | The [strategies](../operations/feature_flags.md#feature-flag-strategies) of the feature flag spec. |
```shell
curl "https://gitlab.example.com/api/v4/projects/1/feature_flags" \
--header "PRIVATE-TOKEN: <your_access_token>" \
--header "Content-type: application/json" \
--data @- << EOF
{
"name": "awesome_feature",
"scopes": [{ "environment_scope": "*", "active": false, "strategies": [{ "name": "default", "parameters": {} }] },
{ "environment_scope": "production", "active": true, "strategies": [{ "name": "userWithId", "parameters": { "userIds": "1,2,3" } }] }]
}
EOF
```
Example response:
```json
{
"name":"awesome_feature",
"description":null,
"active": true,
"created_at":"2019-11-04T08:32:27.288Z",
"updated_at":"2019-11-04T08:32:27.288Z",
"scopes":[
{
"id":85,
"active":false,
"environment_scope":"*",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:32:29.324Z",
"updated_at":"2019-11-04T08:32:29.324Z"
},
{
"id":86,
"active":true,
"environment_scope":"production",
"strategies":[
{
"name":"userWithId",
"parameters":{
"userIds":"1,2,3"
}
}
],
"created_at":"2019-11-04T08:32:29.328Z",
"updated_at":"2019-11-04T08:32:29.328Z"
}
]
}
```
## Single feature flag
Gets a single feature flag.
```plaintext
GET /projects/:id/feature_flags/:name
```
| Attribute | Type | Required | Description |
| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding). |
| `name` | string | yes | The name of the feature flag. |
```shell
curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/feature_flags/new_live_trace"
```
Example response:
```json
{
"name":"new_live_trace",
"description":"This is a new live trace feature",
"active": true,
"created_at":"2019-11-04T08:13:10.507Z",
"updated_at":"2019-11-04T08:13:10.507Z",
"scopes":[
{
"id":79,
"active":false,
"environment_scope":"*",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:10.516Z",
"updated_at":"2019-11-04T08:13:10.516Z"
},
{
"id":80,
"active":true,
"environment_scope":"staging",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:10.525Z",
"updated_at":"2019-11-04T08:13:10.525Z"
},
{
"id":81,
"active":false,
"environment_scope":"production",
"strategies":[
{
"name":"default",
"parameters":{
}
}
],
"created_at":"2019-11-04T08:13:10.527Z",
"updated_at":"2019-11-04T08:13:10.527Z"
}
]
}
```
## Delete feature flag
Deletes a feature flag.
```plaintext
DELETE /projects/:id/feature_flags/:name
```
| Attribute | Type | Required | Description |
| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding). |
| `name` | string | yes | The name of the feature flag. |
```shell
curl --header "PRIVATE-TOKEN: <your_access_token>" --request DELETE "https://gitlab.example.com/api/v4/projects/1/feature_flags/awesome_feature"
```
|
