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

# List environments

> Retrieve environments in your organization.

Returns a list of environments in your organization, including their simulator configurations.


## OpenAPI

````yaml GET /environments
openapi: 3.1.0
info:
  title: Verial API
  version: 1.0.0
  description: >-
    Healthcare simulated environment and benchmark platform. Create simulated
    healthcare environments, run benchmarks against AI agents, and verify
    results across FHIR, HL7, fax, voice, and other clinical interfaces.
servers:
  - url: https://api.verial.ai
security:
  - BearerAuth: []
tags:
  - name: Environments
    description: Simulated healthcare environment management.
  - name: Benchmarks
    description: Benchmark definitions with tasks and verification criteria.
  - name: Runs
    description: Benchmark execution and results.
  - name: Tasks
    description: Individual task runs within a benchmark.
  - name: Datasets
    description: Synthetic patient data management.
  - name: FHIR
    description: FHIR R4 simulator endpoints.
  - name: HL7
    description: HL7v2 simulator endpoints.
  - name: Fax
    description: Fax simulator endpoints.
  - name: Message
    description: SMS/text message simulator endpoints.
  - name: Clearinghouse
    description: Insurance clearinghouse simulator endpoints.
  - name: Payer
    description: Insurance payer simulator endpoints.
  - name: CDS Hooks
    description: CDS Hooks clinical decision support simulator.
paths:
  /environments:
    get:
      tags:
        - Environments
      summary: List environments
      description: Return environments in the organization.
      operationId: listEnvironments
      parameters:
        - $ref: '#/components/parameters/CursorParam'
        - $ref: '#/components/parameters/LimitParam'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Environment'
                  _meta:
                    type: object
                    properties:
                      next:
                        type: string
                        nullable: true
                      prev:
                        type: string
                        nullable: true
                      limit:
                        type: integer
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
      security:
        - BearerAuth: []
components:
  parameters:
    CursorParam:
      name: cursor
      in: query
      required: false
      schema:
        type: string
      description: Pagination cursor for the next page of results.
    LimitParam:
      name: limit
      in: query
      required: false
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 20
      description: Number of items per page (1-100, default 20).
  schemas:
    Environment:
      type: object
      properties:
        id:
          type: string
          format: date-time
        name:
          type: string
        description:
          anyOf:
            - type: string
            - type: 'null'
        created_at:
          type: string
          format: date-time
      required:
        - id
        - name
        - description
        - created_at
  responses:
    Unauthorized:
      description: Missing or invalid authentication.
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: object
                properties:
                  code:
                    type: string
                  message:
                    type: string
    NotFound:
      description: Resource not found.
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: object
                properties:
                  code:
                    type: string
                  message:
                    type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: API key passed as a Bearer token.

````