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

# List environment sessions



## OpenAPI

````yaml /api-reference/openapi.json get /api/sessions
openapi: 3.1.0
info:
  title: Archal API
  version: 1.0.0
  summary: >-
    Stateful testing environments with separate lifecycle and provider-scoped
    credentials
  description: >-
    Use a workspace credential for lifecycle operations. Each created
    environment returns a short-lived provider-shaped credential for its
    isolated data plane; the workspace credential is never forwarded to or
    accepted by provider-compatible endpoints.
servers:
  - url: https://api.archal.ai
security: []
paths:
  /api/sessions:
    get:
      summary: List environment sessions
      operationId: listEnvironmentSessions
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  sessions:
                    type: array
                    items:
                      type: object
                      properties:
                        sessionId:
                          type: string
                          minLength: 1
                        status:
                          type: string
                          enum:
                            - starting
                            - ready
                            - running
                            - tearing_down
                            - ended
                            - expired
                            - failed
                        environmentIds:
                          type: array
                          items:
                            type: string
                            minLength: 1
                            maxLength: 80
                        environments:
                          type: object
                          propertyNames:
                            type: string
                            minLength: 1
                            maxLength: 80
                          additionalProperties:
                            oneOf:
                              - type: object
                                properties:
                                  status:
                                    type: string
                                    const: ready
                                  apiBaseUrl:
                                    type: string
                                    format: uri
                                  mcpUrl:
                                    anyOf:
                                      - type: string
                                        format: uri
                                      - type: 'null'
                                  credentials:
                                    type: object
                                    properties:
                                      kind:
                                        type: string
                                        const: provider
                                      expiresAt:
                                        type: string
                                        minLength: 1
                                      headers:
                                        type: object
                                        propertyNames:
                                          type: string
                                          minLength: 1
                                        additionalProperties:
                                          type: string
                                          minLength: 1
                                    required:
                                      - kind
                                      - expiresAt
                                      - headers
                                    additionalProperties: false
                                required:
                                  - status
                                  - apiBaseUrl
                                  - mcpUrl
                                  - credentials
                                additionalProperties: false
                              - type: object
                                properties:
                                  status:
                                    type: string
                                    enum:
                                      - starting
                                      - dead
                                  apiBaseUrl:
                                    type: 'null'
                                  mcpUrl:
                                    type: 'null'
                                  credentials:
                                    type: 'null'
                                required:
                                  - status
                                  - apiBaseUrl
                                  - mcpUrl
                                  - credentials
                                additionalProperties: false
                        createdAt:
                          type: string
                          minLength: 1
                        expiresAt:
                          type: string
                          minLength: 1
                        endedAt:
                          anyOf:
                            - type: string
                              minLength: 1
                            - type: 'null'
                        teardownRequestedAt:
                          anyOf:
                            - type: string
                              minLength: 1
                            - type: 'null'
                        lease:
                          type: object
                          properties:
                            expiresAt:
                              type: string
                              minLength: 1
                            idleExpiresAt:
                              anyOf:
                                - type: string
                                  minLength: 1
                                - type: 'null'
                            hardExpiresAt:
                              type: string
                              minLength: 1
                            renewable:
                              type: boolean
                          required:
                            - expiresAt
                            - idleExpiresAt
                            - hardExpiresAt
                            - renewable
                          additionalProperties: false
                      required:
                        - sessionId
                        - status
                        - environmentIds
                        - environments
                        - createdAt
                        - expiresAt
                        - endedAt
                      additionalProperties: false
                required:
                  - sessions
                additionalProperties: false
        '400':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '401':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '403':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '404':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '409':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '413':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '429':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '500':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '502':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
        '503':
          description: The request was rejected
          headers:
            X-Request-Id:
              description: Request correlation identifier
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying when present
              schema:
                type: integer
                minimum: 0
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  error:
                    type: string
                  code:
                    type: string
                  message:
                    type: string
                  requestId:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        path:
                          type: string
                        message:
                          type: string
                      required:
                        - path
                        - message
                      additionalProperties: true
                additionalProperties: true
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: Archal workspace API key
      description: Used by lifecycle, catalog, and state endpoints

````