> ## Documentation Index
> Fetch the complete documentation index at: https://docs.empirical.run/llms.txt
> Use this file to discover all available pages before exploring further.

# List environments

> Returns the scoped project's environments, optionally filtered by slug and disabled state. The run worker uses this to resolve env vars by slug.



## OpenAPI

````yaml /api-reference/openapi.generated.json get /api/environments/list
openapi: 3.1.0
info:
  title: Empirical API
  version: 1.0.0
  description: Programmatic access to Empirical test runs, snoozes, and more.
  contact:
    name: Empirical
    url: https://empirical.run
servers:
  - url: https://api.empirical.run
security:
  - Bearer: []
tags:
  - name: Analytics
    description: Aggregated test-run, test-count and test-case analytics for a project.
  - name: Analytics (Deprecated)
    description: >-
      Legacy analytics endpoints retained for backwards compatibility; prefer
      the v2 equivalents.
  - name: Environments
    description: >-
      Named deployment targets (slug + Playwright project filters) a project's
      tests run against.
  - name: Snoozes
    description: Temporarily suppress known test failures for specific Playwright tests.
  - name: Telemetry
    description: Product telemetry derived from analytics events, scoped to a project.
  - name: Test Cases
    description: >-
      Browse the Playwright test cases synced from a project's repository and
      manage their tags.
paths:
  /api/environments/list:
    get:
      tags:
        - Environments
      summary: List environments
      description: >-
        Returns the scoped project's environments, optionally filtered by slug
        and disabled state. The run worker uses this to resolve env vars by
        slug.
      operationId: listEnvironments
      parameters:
        - schema:
            type: string
            description: When set to the string `false`, exclude disabled environments.
          required: false
          description: When set to the string `false`, exclude disabled environments.
          name: is_disabled
          in: query
        - schema:
            type: string
            minLength: 1
            description: Filter to the environment with this slug.
          required: false
          description: Filter to the environment with this slug.
          name: environment_slug
          in: query
      responses:
        '200':
          description: The project's environments.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListEnvironmentsResponse'
        '400':
          description: Invalid request or missing project scope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Project not found or not accessible.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ListEnvironmentsResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            environments:
              type: array
              items:
                $ref: '#/components/schemas/Environment'
          required:
            - environments
          description: Response payload.
      required:
        - data
    ErrorResponse:
      type: object
      properties:
        data:
          nullable: true
          description: Always null for error responses.
        error:
          type: object
          properties:
            message:
              type: string
              description: Human-readable error message.
          required:
            - message
          description: Error details.
      required:
        - data
        - error
    Environment:
      type: object
      properties:
        id:
          type: number
          description: Unique identifier.
        project_id:
          type: number
          description: Project identifier.
        slug:
          type: string
          description: URL-friendly identifier.
        name:
          type: string
          description: Display name.
        playwright_projects_match:
          type: array
          items:
            type: string
          description: Playwright project names to match.
        playwright_projects_ignore:
          type: array
          items:
            type: string
          description: Playwright project names to ignore.
        is_disabled:
          type: boolean
          nullable: true
          description: Whether the environment is disabled.
        env_files:
          type: array
          items:
            type: string
          description: Environment file paths.
        scheduled_trigger:
          type: string
          nullable: true
          description: Cron expression for scheduled triggers.
        created_at:
          type: string
          nullable: true
          description: ISO 8601 timestamp.
        updated_at:
          type: string
          nullable: true
          description: ISO 8601 timestamp.
      required:
        - id
        - project_id
        - slug
        - name
        - playwright_projects_match
        - playwright_projects_ignore
        - is_disabled
        - env_files
        - scheduled_trigger
        - created_at
        - updated_at
  securitySchemes:
    Bearer:
      type: http
      scheme: bearer

````