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Status Endpoints

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Health Check

Check if PasteGuard and its dependencies are running. 
GET /health

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Request

curl http://localhost:3000/health

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Response

Returns HTTP 200 when healthy, HTTP 503 when degraded. 
{
  "status": "healthy",
  "services": {
    "presidio": "up"
  },
  "timestamp": "2026-01-15T10:30:00Z"
}
When a service is down: 
{
  "status": "degraded",
  "services": {
    "presidio": "down"
  },
  "timestamp": "2026-01-15T10:30:00Z"
}
In route mode, local_llm is also included in services.

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Info

Get current configuration and mode. 
GET /info

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Request

curl http://localhost:3000/info

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Response

{
  "name": "PasteGuard",
  "version": "1.0.0",
  "description": "Privacy proxy for LLMs",
  "mode": "mask",
  "providers": {
    "upstream": { "type": "openai" }
  },
  "pii_detection": {
    "languages": ["en"],
    "fallback_language": "en",
    "score_threshold": 0.7,
    "entities": ["PERSON", "EMAIL_ADDRESS", "PHONE_NUMBER"]
  },
  "masking": {
    "show_markers": false
  }
}
When language validation is available, languages becomes an object: 
{
  "pii_detection": {
    "languages": {
      "configured": ["en", "de", "fr"],
      "available": ["en", "de"],
      "missing": ["fr"]
    }
  }
}
In route mode, routing and providers.local are also included.