{
  "openapi": "3.1.0",
  "info": {
    "title": "KN Platform API",
    "description": "Trust scoring, verification, and governance data APIs for production AI agent systems.",
    "version": "1.1.0",
    "contact": {
      "name": "KN Platform",
      "url": "https://kosherninja.com"
    }
  },
  "servers": [
    {
      "url": "https://kosherninja.com",
      "description": "Production"
    }
  ],
  "paths": {
    "/atkn/trust_score": {
      "post": {
        "operationId": "trustScore",
        "summary": "Compute trust score",
        "description": "Returns trust score and per-dimension values.",
        "x-price": "$0.001 USDC",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["agent_id"],
                "properties": {
                  "agent_id": {"type": "string"},
                  "context": {"type": "string"}
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Trust score result",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "agent_id": {"type": "string"},
                    "trust_score": {"type": "number"},
                    "dimensions": {"type": "object"},
                    "computed_at": {"type": "string", "format": "date-time"}
                  }
                }
              }
            }
          },
          "402": {"description": "Payment required"}
        }
      }
    },
    "/atkn/verify_agent": {
      "post": {
        "operationId": "verifyAgent",
        "summary": "Verify agent behavior",
        "description": "Runs verification checks and returns status metadata.",
        "x-price": "$0.01 USDC",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["agent_id"],
                "properties": {
                  "agent_id": {"type": "string"}
                }
              }
            }
          }
        },
        "responses": {
          "200": {"description": "Verification result"},
          "402": {"description": "Payment required"}
        }
      }
    },
    "/atkn/behavioral_score": {
      "post": {
        "operationId": "behavioralScore",
        "summary": "Score governance posture",
        "description": "Scores behavior across 10 governance categories.",
        "x-price": "$0.01 USDC",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["agent_id"],
                "properties": {
                  "agent_id": {"type": "string"},
                  "category": {
                    "type": "string",
                    "enum": ["transparency", "fairness", "safety", "humility", "integrity", "accountability", "respect", "reasoning", "collaboration", "resilience"]
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {"description": "Governance score result"},
          "402": {"description": "Payment required"}
        }
      }
    },
    "/atkn/query_knowledge": {
      "post": {
        "operationId": "queryKnowledge",
        "summary": "Query governance graph",
        "description": "Runs a natural-language or graph query over evidence resources.",
        "x-price": "$0.001 USDC",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["query"],
                "properties": {
                  "query": {"type": "string"}
                }
              }
            }
          }
        },
        "responses": {
          "200": {"description": "Query result"},
          "402": {"description": "Payment required"}
        }
      }
    },
    "/atkn/network_stats": {
      "get": {
        "operationId": "networkStats",
        "summary": "Get network statistics",
        "description": "Free endpoint returning infrastructure and usage metrics.",
        "x-price": "FREE",
        "responses": {
          "200": {"description": "Network statistics"}
        }
      }
    },
    "/api/behavior/rules": {
      "get": {
        "operationId": "getBehaviorRules",
        "summary": "Fetch governance rules",
        "description": "Returns governance rules with optional category filter.",
        "parameters": [
          {
            "name": "category",
            "in": "query",
            "schema": {
              "type": "string",
              "enum": ["transparency", "fairness", "safety", "humility", "integrity", "accountability", "respect", "reasoning", "collaboration", "resilience"]
            },
            "description": "Category identifier"
          }
        ],
        "responses": {
          "200": {"description": "Rules response"}
        }
      }
    },
    "/api/behavior/score": {
      "post": {
        "operationId": "scoreBehavior",
        "summary": "Score an action",
        "description": "Scores an action against governance rules.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["action"],
                "properties": {
                  "action": {"type": "string"},
                  "context": {"type": "string"}
                }
              }
            }
          }
        },
        "responses": {
          "200": {"description": "Behavior score response"}
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "x402": {
        "type": "apiKey",
        "in": "header",
        "name": "X-Payment",
        "description": "x402 payment header for paid endpoints"
      }
    }
  }
}