Protect AI

Protect AI System API

The System API from Protect AI — 4 operation(s) for system.

Documentation GitHub OpenAPI

Operations 4

GET / Service metadata #

GET /healthz Liveness probe #

GET /readyz Readiness probe #

GET /metrics Prometheus metrics #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: LLM Guard System API
  description: Self-hostable REST API for LLM Guard, Protect AI's open-source (Apache 2.0) security toolkit for LLM interactions.
  termsOfService: https://protectai.com/terms
  contact:
    name: Protect AI / LLM Guard
    url: https://llm-guard.com/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: '1.0'
servers:
- url: http://localhost:8000
  description: Default local llm-guard-api deployment (FastAPI/Uvicorn).
security:
- bearerAuth: []
- {}
tags:
- name: System
paths:
  /:
    get:
      operationId: getRoot
      tags:
      - System
      summary: Service metadata
      description: Returns basic service and version information for the running LLM Guard API.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
  /healthz:
    get:
      operationId: getHealthz
      tags:
      - System
      summary: Liveness probe
      description: Returns the liveness status of the API process.
      responses:
        '200':
          description: Service is alive.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthStatus'
  /readyz:
    get:
      operationId: getReadyz
      tags:
      - System
      summary: Readiness probe
      description: Returns readiness once scanners are loaded and the API can serve scan requests.
      responses:
        '200':
          description: Service is ready.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthStatus'
  /metrics:
    get:
      operationId: getMetrics
      tags:
      - System
      summary: Prometheus metrics
      description: Exposes Prometheus-format metrics for the API when metrics are enabled.
      responses:
        '200':
          description: Metrics in Prometheus text exposition format.
          content:
            text/plain:
              schema:
                type: string
components:
  schemas:
    HealthStatus:
      type: object
      properties:
        status:
          type: string
          example: ok
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Optional bearer token authentication, enabled per deployment via the llm-guard-api configuration. Deployments may also run without auth.