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

# List Workspace Env Vars

List all environment variables in the workspace scope. Values are not returned — only the key, a 4-character suffix for display, and an `is_empty` flag.


## OpenAPI

````yaml GET /api/public/v2/env-vars
openapi: 3.1.0
info:
  title: FastAPI
  version: 0.1.0
servers: []
security:
  - ApiKeyAuth: []
paths:
  /api/public/v2/env-vars:
    get:
      tags:
        - env-vars
      summary: List Workspace Env Vars
      operationId: list_workspace_env_vars
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  workspace_env_vars:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: integer
                        key:
                          type: string
                        value_suffix:
                          type: string
                          nullable: true
                          description: >-
                            Last 4 characters of the stored value. Null or empty
                            when the value is empty.
                        is_empty:
                          type: boolean
                          description: >-
                            True when the value has not been set yet
                            (placeholder created by the AI assistant).
                        created_at:
                          type: string
                          format: date-time
                        updated_at:
                          type: string
                          format: date-time
                        workspace_id:
                          type: integer
                          description: Present on workspace-scoped env vars.
                        tool_registry_id:
                          type: integer
                          description: Present on tool-scoped env vars.
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '422':
          $ref: '#/components/responses/ValidationError'
components:
  responses:
    UnauthorizedError:
      description: Unauthorized - missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ValidationError:
      description: Validation error - request parameters or body are invalid.
      content:
        application/json:
          schema:
            oneOf:
              - $ref: '#/components/schemas/HTTPValidationError'
              - $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          default: false
          description: Indicates that the request failed.
        message:
          type: string
          description: Human-readable error message.
        error:
          type: string
          description: Machine-readable or fallback error message.
      additionalProperties: true
      description: >-
        Standard error response. Some legacy endpoints may return either message
        or error.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY

````