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

# Preview Effective Policy

> Resolve the effective policy for a hypothetical (user, device) tuple.

Powers the admin "why is X blocked?" preview. With neither argument it
returns the pure workspace floor.



## OpenAPI

````yaml /api-reference/openapi.json get /api/runtime-security/dlp/effective-policy
openapi: 3.1.0
info:
  title: Blindsight API
  version: 0.1.0
  description: >-
    The full Blindsight REST surface, generated from the running application.
    Replace the server host with your own deployment.


    For the Runtime Security integration surface (scan, proxy, tool calls) see
    the Runtime Security spec, which is hand written and carries worked
    examples.
servers:
  - url: https://api.your-blindsight.com
    description: Your Blindsight deployment
security: []
paths:
  /api/runtime-security/dlp/effective-policy:
    get:
      tags:
        - dlp-admin
      summary: Preview Effective Policy
      description: |-
        Resolve the effective policy for a hypothetical (user, device) tuple.

        Powers the admin "why is X blocked?" preview. With neither argument it
        returns the pure workspace floor.
      operationId: preview_effective_policy_api_runtime_security_dlp_effective_policy_get
      parameters:
        - name: user_id
          in: query
          required: false
          schema:
            anyOf:
              - type: integer
              - type: 'null'
            title: User Id
        - name: device_uuid
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            title: Device Uuid
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    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

````