launchdarkly Projects API

Manage projects that organize feature flags and other resources.

Operations 11

GET /projects List projects #
POST /projects Create a project #
GET /projects/{projectKey} Get a project #
PATCH /projects/{projectKey} Update a project #
DELETE /projects/{projectKey} Delete a project #
POST /projects/{projectKey} Add the project to the dev server #
POST /projects/{projectKey}/import Import a project from exported JSON data #
DELETE /projects/{projectKey}/overrides remove all overrides for the given project #
PUT /projects/{projectKey}/overrides/{flagKey} override flag value with value provided in the body #
DELETE /projects/{projectKey}/overrides/{flagKey} remove override for flag #
GET /projects/{projectKey}/environments list all environments for the given project #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/launchdarkly-projects-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

launchdarkly-projects-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Launchdarkly Projects API
  version: '1.0'
  description: 'Operations tagged Projects across 2 of this provider''s published API definitions: launchdarkly-rest-api-openapi.yml, launchdarkly-dev-server-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://app.launchdarkly.com/api/v2
  description: LaunchDarkly Production API
- url: http://localhost:8765/dev
tags:
- name: Projects
  description: Manage projects that organize feature flags and other resources.
paths:
  /projects:
    get:
      operationId: listProjects
      summary: List projects
      description: Returns a list of all projects in the LaunchDarkly account.
      tags:
      - Projects
      parameters:
      - name: limit
        in: query
        description: Maximum number of projects to return.
        schema:
          type: integer
      - name: offset
        in: query
        description: Number of projects to skip for pagination.
        schema:
          type: integer
      - name: filter
        in: query
        description: A filter expression to apply to the project list.
        schema:
          type: string
      responses:
        '200':
          description: Successful response containing a list of projects.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Projects'
        '401':
          description: Unauthorized. Invalid or missing access token.
      security:
      - bearerAuth: []
    post:
      operationId: createProject
      summary: Create a project
      description: Creates a new project with the specified key, name, and default environments.
      tags:
      - Projects
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProjectBody'
      responses:
        '201':
          description: Project created successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '400':
          description: Invalid request body.
        '401':
          description: Unauthorized. Invalid or missing access token.
        '409':
          description: A project with the given key already exists.
      security:
      - bearerAuth: []
    servers:
    - url: https://app.launchdarkly.com/api/v2
      description: LaunchDarkly Production API
  /projects/{projectKey}:
    get:
      operationId: getProject
      summary: Get a project
      description: Returns a single project by its key, including its environments and configuration.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectKey'
      responses:
        '200':
          description: Successful response containing the project.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '401':
          description: Unauthorized. Invalid or missing access token.
        '404':
          description: Project not found.
      security:
      - bearerAuth: []
    patch:
      operationId: patchProject
      summary: Update a project
      description: Updates a project using a JSON Patch representation.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectKey'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PatchOperation'
      responses:
        '200':
          description: Project updated successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '400':
          description: Invalid patch request.
        '401':
          description: Unauthorized. Invalid or missing access token.
        '404':
          description: Project not found.
      security:
      - bearerAuth: []
    delete:
      operationId: deleteProject
      summary: Delete a project
      description: Permanently deletes a project and all of its associated feature flags, environments, and other resources.
      tags:
      - Projects
      parameters:
      - $ref: '#/components/parameters/ProjectKey'
      responses:
        '204':
          description: Project deleted successfully.
        '401':
          description: Unauthorized. Invalid or missing access token.
        '404':
          description: Project not found.
      security:
      - bearerAuth: []
    post:
      summary: Add the project to the dev server
      operationId: postAddProject
      parameters:
      - $ref: '#/components/parameters/projectKey'
      - $ref: '#/components/parameters/projectExpand'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
              - sourceEnvironmentKey
              properties:
                sourceEnvironmentKey:
                  type: string
                  description: environment to copy flag values from
                context:
                  $ref: '#/components/schemas/Context'
      responses:
        201:
          $ref: '#/components/responses/Project'
        400:
          $ref: '#/components/responses/ErrorResponse'
        409:
          $ref: '#/components/responses/ErrorResponse'
      tags:
      - Projects
      security:
      - bearerAuth: []
    servers:
    - url: https://app.launchdarkly.com/api/v2
      description: LaunchDarkly Production API
  /projects/{projectKey}/import:
    post:
      summary: Import a project from exported JSON data
      description: 'Import a project using the JSON format from get-project with expand options.

        Accepts the same format that is exported by the get-project endpoint.

        '
      operationId: postImportProject
      parameters:
      - $ref: '#/components/parameters/projectKey'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Project_2'
      responses:
        201:
          $ref: '#/components/responses/Project'
        400:
          $ref: '#/components/responses/ErrorResponse'
        409:
          $ref: '#/components/responses/ErrorResponse'
      tags:
      - Projects
    servers:
    - url: http://localhost:8765/dev
  /projects/{projectKey}/overrides:
    delete:
      summary: remove all overrides for the given project
      operationId: deleteOverrides
      parameters:
      - $ref: '#/components/parameters/projectKey'
      responses:
        204:
          description: OK. All overrides were removed
        404:
          $ref: '#/components/responses/ErrorResponse'
      tags:
      - Projects
    servers:
    - url: http://localhost:8765/dev
  /projects/{projectKey}/overrides/{flagKey}:
    put:
      summary: override flag value with value provided in the body
      operationId: putOverrideFlag
      parameters:
      - $ref: '#/components/parameters/projectKey'
      - $ref: '#/components/parameters/flagKey'
      requestBody:
        required: true
        description: flag value to override flag with. The json representation of the variation value.
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FlagValue'
      responses:
        200:
          $ref: '#/components/responses/FlagOverride'
        400:
          $ref: '#/components/responses/ErrorResponse'
      tags:
      - Projects
    delete:
      summary: remove override for flag
      operationId: deleteFlagOverride
      parameters:
      - $ref: '#/components/parameters/projectKey'
      - $ref: '#/components/parameters/flagKey'
      responses:
        204:
          description: OK. override removed
        404:
          description: no matching override found
      tags:
      - Projects
    servers:
    - url: http://localhost:8765/dev
  /projects/{projectKey}/environments:
    get:
      operationId: getEnvironments
      summary: list all environments for the given project
      parameters:
      - $ref: '#/components/parameters/projectKey'
      - name: name
        in: query
        description: filter by environment name
        required: false
        schema:
          type: string
      - name: limit
        in: query
        description: limit the number of environments returned
        required: false
        schema:
          type: integer
      responses:
        200:
          description: OK. List of environments
          content:
            application/json:
              schema:
                description: list of environments
                type: array
                items:
                  $ref: '#/components/schemas/Environment_2'
                uniqueItems: true
        404:
          $ref: '#/components/responses/ErrorResponse'
        400:
          $ref: '#/components/responses/ErrorResponse'
      tags:
      - Projects
    servers:
    - url: http://localhost:8765/dev
components:
  schemas:
    Environment:
      type: object
      description: An environment within a project, such as production or staging.
      properties:
        _id:
          type: string
          description: The unique identifier of this environment.
        key:
          type: string
          description: The environment key.
        name:
          type: string
          description: The human-readable name of the environment.
        color:
          type: string
          description: The color swatch for the environment in the dashboard.
          pattern: ^[0-9a-fA-F]{6}$
        apiKey:
          type: string
          description: The SDK key for server-side SDKs.
        mobileKey:
          type: string
          description: The mobile key for mobile SDKs.
        defaultTtl:
          type: integer
          description: The default time-to-live in minutes for flag values.
        secureMode:
          type: boolean
          description: Whether secure mode is enabled for this environment.
        tags:
          type: array
          description: Tags applied to this environment.
          items:
            type: string
        _links:
          $ref: '#/components/schemas/Links'
    PatchOperation:
      type: object
      description: A JSON Patch or semantic patch request.
      properties:
        patch:
          type: array
          description: An array of JSON Patch operations.
          items:
            type: object
            required:
            - op
            - path
            properties:
              op:
                type: string
                description: The patch operation type.
                enum:
                - add
                - remove
                - replace
                - move
                - copy
                - test
              path:
                type: string
                description: The JSON Pointer path to the target field.
              value:
                description: The value to apply for add or replace operations.
        comment:
          type: string
          description: An optional comment describing the change.
    Environments:
      type: object
      description: A collection of environments.
      properties:
        items:
          type: array
          description: The list of environments.
          items:
            $ref: '#/components/schemas/Environment'
        totalCount:
          type: integer
          description: The total number of environments.
        _links:
          $ref: '#/components/schemas/Links'
    ProjectBody:
      type: object
      description: The request body for creating a new project.
      required:
      - name
      - key
      properties:
        name:
          type: string
          description: The human-readable name of the project.
        key:
          type: string
          description: The project key.
          pattern: ^[a-z0-9]([a-z0-9-])*$
        tags:
          type: array
          description: Tags to apply to the project.
          items:
            type: string
        environments:
          type: array
          description: Initial environments to create with the project.
          items:
            $ref: '#/components/schemas/EnvironmentBody'
    EnvironmentBody:
      type: object
      description: The request body for creating a new environment.
      required:
      - name
      - key
      - color
      properties:
        name:
          type: string
          description: The human-readable name of the environment.
        key:
          type: string
          description: The environment key.
          pattern: ^[a-z0-9]([a-z0-9-])*$
        color:
          type: string
          description: The color swatch for the environment in the dashboard.
          pattern: ^[0-9a-fA-F]{6}$
        defaultTtl:
          type: integer
          description: The default time-to-live in minutes.
        secureMode:
          type: boolean
          description: Whether to enable secure mode.
        tags:
          type: array
          description: Tags to apply to the environment.
          items:
            type: string
    Links:
      type: object
      description: HATEOAS links for navigating related resources.
      properties:
        self:
          type: object
          description: A link to this resource.
          properties:
            href:
              type: string
              description: The URL of this resource.
            type:
              type: string
              description: The media type.
      additionalProperties:
        type: object
        properties:
          href:
            type: string
            description: The URL of the linked resource.
          type:
            type: string
            description: The media type.
    Projects:
      type: object
      description: A paginated collection of projects.
      properties:
        items:
          type: array
          description: The list of projects.
          items:
            $ref: '#/components/schemas/Project'
        totalCount:
          type: integer
          description: The total number of projects.
        _links:
          $ref: '#/components/schemas/Links'
    Project:
      type: object
      description: A LaunchDarkly project containing feature flags and environments.
      properties:
        _id:
          type: string
          description: The unique identifier of this project.
        key:
          type: string
          description: The project key.
        name:
          type: string
          description: The human-readable name of the project.
        tags:
          type: array
          description: Tags applied to this project.
          items:
            type: string
        environments:
          $ref: '#/components/schemas/Environments'
        _links:
          $ref: '#/components/schemas/Links'
    Environment_2:
      description: Environment
      type: object
      required:
      - key
      - name
      properties:
        key:
          type: string
        name:
          type: string
    Context:
      type: object
      description: context object to use when evaluating flags in source environment
      x-go-type: ldcontext.Context
      x-go-type-import:
        path: github.com/launchdarkly/go-sdk-common/v3/ldcontext
      default:
        key: dev-environment
        kind: user
    Variation:
      description: variation of a flag
      required:
      - _id
      - value
      properties:
        _id:
          type: string
        name:
          type: string
        description:
          type: string
        value:
          $ref: '#/components/schemas/FlagValue'
    Project_2:
      description: Project
      type: object
      required:
      - sourceEnvironmentKey
      - context
      - _lastSyncedFromSource
      properties:
        context:
          $ref: '#/components/schemas/Context'
        sourceEnvironmentKey:
          type: string
          description: environment to copy flag values from
        flagsState:
          type: object
          description: flags and their values and version for a given project in the source environment
          x-go-type: model.FlagsState
          x-go-type-import:
            path: github.com/launchdarkly/ldcli/internal/dev_server/model
        overrides:
          type: object
          description: overridden flags for the project
          x-go-type: model.FlagsState
          x-go-type-import:
            path: github.com/launchdarkly/ldcli/internal/dev_server/model
        availableVariations:
          type: object
          description: variations
          additionalProperties:
            type: array
            items:
              $ref: '#/components/schemas/Variation'
        _lastSyncedFromSource:
          type: integer
          x-go-type: int64
          description: unix timestamp for the lat time the flag values were synced from the source environment
    FlagValue:
      description: value of a feature flag variation
      oneOf:
      - type: string
      - type: boolean
      - type: number
      - type: object
      x-go-type: ldvalue.Value
      x-go-type-import:
        path: github.com/launchdarkly/go-sdk-common/v3/ldvalue
  parameters:
    ProjectKey:
      name: projectKey
      in: path
      required: true
      description: The project key identifying a LaunchDarkly project.
      schema:
        type: string
        pattern: ^[a-z0-9]([a-z0-9-])*$
    projectKey:
      name: projectKey
      in: path
      required: true
      schema:
        type: string
    projectExpand:
      name: expand
      description: Available expand options for this endpoint.
      in: query
      schema:
        type: array
        items:
          type: string
          enum:
          - overrides
          - availableVariations
    flagKey:
      name: flagKey
      in: path
      required: true
      schema:
        type: string
  responses:
    ErrorResponse:
      description: Error response object
      content:
        application/json:
          schema:
            type: object
            required:
            - code
            - message
            properties:
              code:
                type: string
                description: specific error code encountered
              message:
                type: string
                description: description of the error
    FlagOverride:
      description: Flag override
      content:
        application/json:
          schema:
            type: object
            required:
            - override
            - value
            properties:
              value:
                $ref: '#/components/schemas/FlagValue'
              override:
                type: boolean
                description: whether or not this is an overridden value or one from the source environment
    Project:
      description: Project
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Project_2'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: LaunchDarkly API access token. Create personal or service tokens in the LaunchDarkly dashboard under Account Settings.
externalDocs:
  description: LaunchDarkly API Documentation
  url: https://apidocs.launchdarkly.com/
x-refined-from:
- launchdarkly-rest-api-openapi.yml
- launchdarkly-dev-server-openapi.yml