{
  "name": "satring",
  "description": "Curated paid API directory for AI agents. Discover and connect to APIs that accept Lightning (L402), USDC on Base (x402), or Machine Payment Protocol (MPP) payments.",
  "url": "https://satring.com",
  "version": "1.0.0",
  "capabilities": {
    "search": "Find paid APIs by category, protocol, status, or free-text search",
    "directory": "Browse and filter a curated catalog of paid API services",
    "ratings": "Read and submit ratings for listed services",
    "analytics": "Aggregate directory statistics and service-level health data",
    "submit": "List your own paid API in the directory"
  },
  "protocols": {
    "L402": {
      "description": "Lightning-native HTTP 402 payments via macaroon + preimage",
      "auth_scheme": "L402",
      "discovery": "/.well-known/l402"
    },
    "x402": {
      "description": "USDC on Base payments via x402 protocol (Coinbase/xpay.sh)",
      "auth_header": "PAYMENT-SIGNATURE",
      "discovery": "/.well-known/x402"
    },
    "MPP": {
      "description": "Machine Payments Protocol (HTTP Payment auth scheme, Lightning charge method)",
      "auth_scheme": "Payment",
      "discovery": "/.well-known/mpp"
    }
  },
  "endpoints": {
    "api": "/api/v1/",
    "openapi": "/openapi.json",
    "docs": "/docs",
    "llms_txt": "/llms.txt"
  },
  "free_tier": {
    "description": "5 service summaries per IP per day. Summaries include name, protocol, price, rating, and categories but NOT endpoint URLs, descriptions, or payment config. Pay via bulk export for full metadata.",
    "endpoints": ["/api/v1/services", "/api/v1/search", "/api/v1/categories"]
  },
  "paid_endpoints": [
    "/api/v1/services/bulk",
    "/api/v1/analytics",
    "/api/v1/services/{slug}/reputation",
    "/api/v1/services/{slug}/analytics"
  ],
  "contact": "https://satring.com"
}