Enable a feature flag

POST 
https://us.app.unleash-hosted.com/ushosted/api/admin/projects/:projectId/features/:featureName/environments/:environment/on

Enable a feature flag in the specified environment.

Request

Path Parameters

projectId stringrequired
featureName stringrequired
environment stringrequired

Responses

200

featureSchema

application/json

Schema

Schema

name stringrequired
Unique feature name
Example: disable-comments
type string
Type of the flag e.g. experiment, kill-switch, release, operational, permission
Example: kill-switch
description stringnullable
Detailed description of the feature
Example: Controls disabling of the comments section in case of an incident
archived boolean
true if the feature is archived
Example: true
project string
Name of the project the feature belongs to
Example: dx-squad
enabled boolean
true if the feature is enabled, otherwise false.
Example: true
stale boolean
true if the feature is stale based on the age and feature type, otherwise false.
Example: false
favorite boolean
true if the feature was favorited, otherwise false.
Example: true
impressionData boolean
true if the impression data collection is enabled for the feature, otherwise false.
Example: false
createdAt date-timenullable
The date the feature was created
Example: 2023-01-28T15:21:39.975Z

createdBy

object

User who created the feature flag

id integerrequired

The user id

Example: 123

name stringrequired

Name of the user

Example: User

imageUrl stringrequired

URL used for the user profile image

Example: https://example.com/242x200.png
archivedAt date-timenullable
The date the feature was archived
Example: 2023-01-29T15:21:39.975Z
lastSeenAt date-timenullabledeprecated
The date when metrics where last collected for the feature. This field was deprecated in v5, use the one in featureEnvironmentSchema
Example: 2023-01-28T16:21:39.975Z

environments

object[]

The list of environments where the feature can be used

Array [

name stringrequired

The name of the environment

Example: my-dev-env

featureName string

The name of the feature

Example: disable-comments

environment string

The name of the environment

Example: development

type string

The type of the environment

Example: development

enabled booleanrequired

true if the feature is enabled for the environment, otherwise false.

Example: true

sortOrder number

The sort order of the feature environment in the feature environments list

Example: 3

variantCount number

The number of defined variants

strategies

object[]

A list of activation strategies for the feature environment

Array [

id string

A uuid for the feature strategy

Example: 6b5157cb-343a-41e7-bfa3-7b4ec3044840

name stringrequired

The name or type of strategy

Example: flexibleRollout

title stringnullable

A descriptive title for the strategy

Example: Gradual Rollout 25-Prod

disabled booleannullable

A toggle to disable the strategy. defaults to false. Disabled strategies are not evaluated or returned to the SDKs

Example: false

featureName string

The name or feature the strategy is attached to

Example: myAwesomeFeature

sortOrder number

The order of the strategy in the list

Example: 9999

segments number[]

A list of segment ids attached to the strategy

Example: [1,2]

constraints

object[]

A list of the constraints attached to the strategy. See https://docs.getunleash.io/reference/strategy-constraints

Array [

contextName stringrequired

The name of the context field that this constraint should apply to.

Example: appName

operator stringrequired

The operator to use when evaluating this constraint. For more information about the various operators, refer to the strategy constraint operator documentation.

Possible values: [NOT_IN, IN, STR_ENDS_WITH, STR_STARTS_WITH, STR_CONTAINS, NUM_EQ, NUM_GT, NUM_GTE, NUM_LT, NUM_LTE, DATE_AFTER, DATE_BEFORE, SEMVER_EQ, SEMVER_GT, SEMVER_LT]

Example: IN

caseInsensitive boolean

Whether the operator should be case sensitive or not. Defaults to false (being case sensitive).

Default value: false

inverted boolean

Whether the result should be negated or not. If true, will turn a true result into a false result and vice versa.

Default value: false

values string[]

The context values that should be used for constraint evaluation. Use this property instead of value for properties that accept multiple values.

Example: ["my-app","my-other-app"]

value string

The context value that should be used for constraint evaluation. Use this property instead of values for properties that only accept single values.

Example: my-app

]

variants

object[]

Strategy level variants

Array [

name stringrequired

The variant name. Must be unique for this feature flag

Example: blue_group

weight integerrequired

The weight is the likelihood of any one user getting this variant. It is an integer between 0 and 1000. See the section on variant weights for more information

Possible values: <= 1000

weightType stringrequired

Set to fix if this variant must have exactly the weight allocated to it. If the type is variable, the weight will adjust so that the total weight of all variants adds up to 1000. Refer to the variant weight documentation.

Possible values: [variable, fix]

Example: fix

stickiness stringrequired

The stickiness to use for distribution of this variant. Stickiness is how Unleash guarantees that the same user gets the same variant every time

Example: custom.context.field

payload

object

Extra data configured for this variant

type stringrequired

The type of the value. Commonly used types are string, number, json and csv.

Possible values: [json, csv, string, number]

value stringrequired

The actual value of payload

]

parameters

object

A list of parameters for a strategy

property name* string

]

variants

object[]

A list of variants for the feature environment

Array [

name stringrequired

The variants name. Is unique for this feature flag

Example: blue_group

weight numberrequired

The weight is the likelihood of any one user getting this variant. It is a number between 0 and 1000. See the section on variant weights for more information

Possible values: <= 1000

weightType string

Set to fix if this variant must have exactly the weight allocated to it. If the type is variable, the weight will adjust so that the total weight of all variants adds up to 1000

Possible values: [variable, fix]

Example: variable

stickiness string

Stickiness is how Unleash guarantees that the same user gets the same variant every time

Example: custom.context.field

payload

object

Extra data configured for this variant

type stringrequired

The type of the value. Commonly used types are string, number, json and csv.

Possible values: [json, csv, string, number]

value stringrequired

The actual value of payload

overrides

object[]

Overrides assigning specific variants to specific users. The weighting system automatically assigns users to specific groups for you, but any overrides in this list will take precedence.

Array [

contextName stringrequired

The name of the context field used to determine overrides

Example: userId

values string[]required

Which values that should be overriden

Example: ["red","blue"]

]

]

lastSeenAt date-timenullable

The date when metrics where last collected for the feature environment

Example: 2023-01-28T16:21:39.975Z

hasStrategies boolean

Whether the feature has any strategies defined.

hasEnabledStrategies boolean

Whether the feature has any enabled strategies defined.

]

variants

object[]

deprecated

The list of feature variants

Array [

name stringrequired

The variants name. Is unique for this feature flag

Example: blue_group

weight numberrequired

The weight is the likelihood of any one user getting this variant. It is a number between 0 and 1000. See the section on variant weights for more information

Possible values: <= 1000

weightType string

Set to fix if this variant must have exactly the weight allocated to it. If the type is variable, the weight will adjust so that the total weight of all variants adds up to 1000

Possible values: [variable, fix]

Example: variable

stickiness string

Stickiness is how Unleash guarantees that the same user gets the same variant every time

Example: custom.context.field

payload

object

Extra data configured for this variant

type stringrequired

The type of the value. Commonly used types are string, number, json and csv.

Possible values: [json, csv, string, number]

value stringrequired

The actual value of payload

overrides

object[]

Overrides assigning specific variants to specific users. The weighting system automatically assigns users to specific groups for you, but any overrides in this list will take precedence.

Array [

contextName stringrequired

The name of the context field used to determine overrides

Example: userId

values string[]required

Which values that should be overriden

Example: ["red","blue"]

]

]

strategies object[]deprecated

This was deprecated in v5 and will be removed in a future major version

tags

object[]

nullable

The list of feature tags

Array [

value stringrequired

The value of the tag.

Possible values: >= 2 characters and <= 50 characters

Example: a-tag-value

type stringrequired

The type of the tag

Possible values: >= 2 characters and <= 50 characters

Example: simple

]

children string[]

The list of child feature names. This is an experimental field and may change.

lifecycle

object

Current lifecycle stage of the feature

stage stringrequired

The name of the current lifecycle stage

Possible values: [initial, pre-live, live, completed, archived]

Example: initial

enteredStageAt date-timerequired

When the feature entered this stage

Example: 2023-01-28T15:21:39.975Z

dependencies

object[]

The list of parent dependencies. This is an experimental field and may change.

Array [

feature stringrequired

The name of the parent feature

Example: some-feature

enabled boolean

Whether the parent feature is enabled or not

Example: true

variants string[]

The list of variants the parent feature should resolve to. Only valid when feature is enabled.

]

collaborators

object

Information related to users who have made changes to this feature flage.

users

object[]

required

Users who have made any changes to this feature flags. The list is sorted in reverse chronological order (most recent changes first)

Array [

id integerrequired

The user's id

Example: 123

name stringrequired

The user's name, username, or email (prioritized in that order). If none of those are present, this property will be set to the string unknown

Example: User

imageUrl stringrequired

The URL to the user's profile image

Example: https://example.com/242x200.png

]

Example (from schema)

{
  "name": "disable-comments",
  "type": "kill-switch",
  "description": "Controls disabling of the comments section in case of an incident",
  "archived": true,
  "project": "dx-squad",
  "enabled": true,
  "stale": false,
  "favorite": true,
  "impressionData": false,
  "createdAt": "2023-01-28T15:21:39.975Z",
  "createdBy": {
    "id": 123,
    "name": "User",
    "imageUrl": "https://example.com/242x200.png"
  },
  "archivedAt": "2023-01-29T15:21:39.975Z",
  "environments": [
    {
      "name": "my-dev-env",
      "featureName": "disable-comments",
      "environment": "development",
      "type": "development",
      "enabled": true,
      "sortOrder": 3,
      "variantCount": 0,
      "strategies": [
        {
          "id": "6b5157cb-343a-41e7-bfa3-7b4ec3044840",
          "name": "flexibleRollout",
          "title": "Gradual Rollout 25-Prod",
          "disabled": false,
          "featureName": "myAwesomeFeature",
          "sortOrder": 9999,
          "segments": [
            1,
            2
          ],
          "constraints": [
            {
              "contextName": "appName",
              "operator": "IN",
              "caseInsensitive": false,
              "inverted": false,
              "values": [
                "my-app",
                "my-other-app"
              ],
              "value": "my-app"
            }
          ],
          "variants": [
            {
              "name": "blue_group",
              "weight": 0,
              "weightType": "fix",
              "stickiness": "custom.context.field",
              "payload": {
                "type": "json",
                "value": "{\"color\": \"red\"}"
              }
            }
          ],
          "parameters": {}
        }
      ],
      "variants": [
        {
          "name": "blue_group",
          "weight": 0,
          "weightType": "variable",
          "stickiness": "custom.context.field",
          "payload": {
            "type": "json",
            "value": "{\"color\": \"red\"}"
          },
          "overrides": [
            {
              "contextName": "userId",
              "values": [
                "red",
                "blue"
              ]
            }
          ]
        }
      ],
      "lastSeenAt": "2023-01-28T16:21:39.975Z",
      "hasStrategies": true,
      "hasEnabledStrategies": true
    }
  ],
  "tags": [
    {
      "value": "a-tag-value",
      "type": "simple"
    }
  ],
  "children": [
    "some-feature"
  ],
  "lifecycle": {
    "stage": "initial",
    "enteredStageAt": "2023-01-28T15:21:39.975Z"
  },
  "dependencies": [
    {
      "feature": "some-feature",
      "enabled": true,
      "variants": [
        "some-feature-blue-variant"
      ]
    }
  ],
  "collaborators": {
    "users": [
      {
        "id": 123,
        "name": "User",
        "imageUrl": "https://example.com/242x200.png"
      }
    ]
  }
}

400

The request data does not match what we expect.

application/json

Schema

Schema

id string
The ID of the error instance
Example: 9c40958a-daac-400e-98fb-3bb438567008
name string
The name of the error kind
Example: ValidationError
message string
A description of what went wrong.
Example: The request payload you provided doesn't conform to the schema. The .parameters property should be object. You sent [].

Example (from schema)

{
  "id": "9c40958a-daac-400e-98fb-3bb438567008",
  "name": "ValidationError",
  "message": "The request payload you provided doesn't conform to the schema. The .parameters property should be object. You sent []."
}

401

Authorization information is missing or invalid. Provide a valid API token as the authorization header, e.g. authorization:*.*.my-admin-token.

application/json

Schema

Schema

id string
The ID of the error instance
Example: 9c40958a-daac-400e-98fb-3bb438567008
name string
The name of the error kind
Example: AuthenticationRequired
message string
A description of what went wrong.
Example: You must log in to use Unleash. Your request had no authorization header, so we could not authorize you. Try logging in at /auth/simple/login.

Example (from schema)

{
  "id": "9c40958a-daac-400e-98fb-3bb438567008",
  "name": "AuthenticationRequired",
  "message": "You must log in to use Unleash. Your request had no authorization header, so we could not authorize you. Try logging in at /auth/simple/login."
}

403

The provided user credentials are valid, but the user does not have the necessary permissions to perform this operation

application/json

Schema

Schema

id string
The ID of the error instance
Example: 9c40958a-daac-400e-98fb-3bb438567008
name string
The name of the error kind
Example: NoAccessError
message string
A description of what went wrong.
Example: You need the "UPDATE_ADDON" permission to perform this action in the "development" environment.

Example (from schema)

{
  "id": "9c40958a-daac-400e-98fb-3bb438567008",
  "name": "NoAccessError",
  "message": "You need the \"UPDATE_ADDON\" permission to perform this action in the \"development\" environment."
}

404

The requested resource was not found.

application/json

Schema

Schema

id string
The ID of the error instance
Example: 9c40958a-daac-400e-98fb-3bb438567008
name string
The name of the error kind
Example: NotFoundError
message string
A description of what went wrong.
Example: Could not find the addon with ID "12345".

Example (from schema)

{
  "id": "9c40958a-daac-400e-98fb-3bb438567008",
  "name": "NotFoundError",
  "message": "Could not find the addon with ID \"12345\"."
}

Authorization: Authorization

name: Authorizationtype: apiKeyin: headerdescription: API key needed to access this API

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• CURL

curl -L -X POST 'https://us.app.unleash-hosted.com/ushosted/api/admin/projects/:projectId/features/:featureName/environments/:environment/on' \
-H 'Accept: application/json' \
-H 'Authorization: <API_KEY_VALUE>'

Request Collapse all

Base URL

https://us.app.unleash-hosted.com/ushosted

Auth

Security Scheme

apiKeybearerToken

apiKey

Parameters

projectId — pathrequired

featureName — pathrequired

environment — pathrequired

ResponseClear

Click the Send API Request button above and see the response here!