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

# Fetch one field-control policy



## OpenAPI

````yaml /api-reference/openapi.yaml get /api/dlp/admin/v1/field-control-policies/{id}
openapi: 3.1.0
info:
  title: Barndoor.ai Public API
  description: Unified public API specification for Barndoor.ai platform
  version: 2.18.0
servers:
  - url: https://{host}
    description: Barndoor public API
    variables:
      host:
        default: platform.barndoor.ai
        description: >-
          The host serving your Barndoor deployment. Defaults to production;
          override it for another environment or a dedicated deployment.
security:
  - ApiKey: []
  - OAuth2:
      - openid
      - profile
      - email
tags:
  - name: dlp
    x-group: Data Control Center
  - name: identity
    x-group: Identity
  - name: llm-gateway
    x-group: LLM Gateway
  - name: notification
    x-group: Notifications
  - name: policy
    x-group: Policies
  - name: registry
    x-group: MCP Gateway
  - name: system-management
    x-group: Log Exports
paths:
  /api/dlp/admin/v1/field-control-policies/{id}:
    get:
      tags:
        - dlp
      summary: Fetch one field-control policy
      operationId: get_field_control_policy
      parameters:
        - name: id
          in: path
          description: Identifier, a UUID
          required: true
          schema:
            type: string
      responses:
        '200':
          description: The field-control policy
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FieldControlPolicyResponse'
        '401':
          description: Missing or invalid bearer token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DlpErrorResponse'
        '403':
          description: Caller lacks a tenant-admin role
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DlpErrorResponse'
        '404':
          description: No such field-control policy in this organization
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DlpErrorResponse'
components:
  schemas:
    FieldControlPolicyResponse:
      type: object
      required:
        - id
        - org_id
        - mcp_server_id
        - name
        - enabled
        - version
        - rules
        - created_by
        - updated_by
        - created_at
        - updated_at
      properties:
        catalog_unlisted_table_action:
          type:
            - string
            - 'null'
          description: >-
            This server's override for tables no catalog-aware SQL rule covers.
            Absent when not set, which means the org default applies.
        created_at:
          type: string
        created_by:
          type: string
        enabled:
          type: boolean
        id:
          type: string
        mcp_server_id:
          type: string
        name:
          type: string
        org_id:
          type: string
        rules: {}
        updated_at:
          type: string
        updated_by:
          type: string
        version:
          type: integer
          format: int32
    DlpErrorResponse:
      type: object
      description: >-
        The error body every `/admin/v1` handler returns.


        Two shapes reach the wire and both are modelled here as optional fields:

        the shared auth/role gate in [`super`] emits `{"error": ...}`, while

        [`super::json_message`] — which the handlers themselves use — emits

        `{"message": ...}`. Exactly one is present on any given response. This
        is

        documentation of what the service already does, not a new contract; a

        handler is not free to send both.
      properties:
        error:
          type:
            - string
            - 'null'
          description: Set by the authentication and tenant-admin role gate (401 and 403).
        message:
          type:
            - string
            - 'null'
          description: Set by handler-level validation and store failures.
  securitySchemes:
    ApiKey:
      type: http
      scheme: bearer
      description: >-
        A Barndoor API key, sent as `Authorization: Bearer <key>`. Keys are
        prefixed `bdai_` and are opaque — do not attempt to decode one.
        Interchangeable with an OAuth 2.0 access token.
    OAuth2:
      type: oauth2
      x-issuer: https://auth.barndoor.ai/realms/barndoor
      description: >-
        An OAuth 2.0 access token from Barndoor's identity provider, sent as
        `Authorization: Bearer <token>`. Public clients must use PKCE.
        Interchangeable with an API key.
      flows:
        authorizationCode:
          authorizationUrl: >-
            https://auth.barndoor.ai/realms/barndoor/protocol/openid-connect/auth
          tokenUrl: >-
            https://auth.barndoor.ai/realms/barndoor/protocol/openid-connect/token
          scopes:
            openid: Issue an OIDC ID token identifying the caller.
            profile: Read the caller's basic profile claims.
            email: Read the caller's email address.
            offline_access: Issue a refresh token. Optional — no operation requires it.
        clientCredentials:
          tokenUrl: >-
            https://auth.barndoor.ai/realms/barndoor/protocol/openid-connect/token
          scopes:
            openid: Issue an OIDC ID token identifying the caller.
            profile: Read the caller's basic profile claims.
            email: Read the caller's email address.
            offline_access: Issue a refresh token. Optional — no operation requires it.

````

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