{
  "x402Version": 2,
  "name": "54ch10 Brief API — wallet phishing scam URL risk briefs",
  "summary": "Pre-interact JSON risk briefs for wallets, tokens, and URLs: phishing, scam, honeypot, and URL-reputation heuristics before agents sign or connect. Analytics-only — not financial, legal, or investment advice.",
  "homepage": "https://54ch10.uk",
  "network": "base",
  "facilitator": "payai",
  "facilitatorUrl": "https://facilitator.payai.network",
  "payTo": "0xF9eb0Caa13B78f92E2850bf5961eB9736354aA3d",
  "payToSolana": "EcGUGSda9VNzYgUmYA8mTg88MhNYeyA5tgaCgwzxfFNs",
  "currency": "USDC",
  "protocol": "x402",
  "openapi": "https://54ch10.uk/openapi.json",
  "agent": "https://54ch10.uk/AGENT.md",
  "mcp": {
    "package": "54ch10-mcp",
    "path": "/mcp",
    "note": "Local stdio MCP wrapper in repo mcp/; remote MCP not required for x402 HTTP path."
  },
  "freeTier": {
    "limit": 20,
    "unit": "briefs/UTC-day/IP",
    "path": "/v1/brief/free",
    "header": "X-54ch10-Free: 1",
    "note": "Canonical GET /v1/brief always returns HTTP 402 + PAYMENT-REQUIRED for unauthenticated agents/indexers. Humans/demos: GET /v1/brief/free or header X-54ch10-Free: 1 (20/UTC-day/IP). Bearer 54k_ or PAYMENT-SIGNATURE unlock /v1/brief."
  },
  "stripe": {
    "note": "Human monthly plans still available via Stripe Checkout / Bearer 54k_ keys.",
    "landing": "https://54ch10.uk"
  },
  "disclaimer": "Informational tooling only. Not financial advice. No custody, trading, or token promotion. Scores are imperfect heuristics — verify independently.",
  "services": [
    {
      "method": "GET",
      "path": "/v1/brief",
      "description": "Pre-interact risk brief (phishing/scam/wallet/url reputation heuristics). Query: type=address|token|url&q=…. Unauthenticated → HTTP 402 + PAYMENT-REQUIRED (USDC $0.01). Auth: Bearer 54k_ or PAYMENT-SIGNATURE. Demo free: /v1/brief/free or X-54ch10-Free: 1.",
      "amount": "0.01",
      "amountAtomic": "10000",
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "discoverable": true,
      "extensions": {
        "bazaar": {
          "info": {
            "input": {
              "type": "http",
              "method": "GET",
              "queryParams": {
                "type": "url",
                "q": "https://example.com"
              }
            },
            "output": {
              "type": "json",
              "example": {
                "ok": true,
                "type": "url",
                "q": "https://example.com",
                "score": 12,
                "band": "clear",
                "flags": [],
                "summary": "No elevated phishing or on-chain risk signals in free live sources.",
                "sources": [
                  {
                    "id": "openphish",
                    "label": "OpenPhish",
                    "status": "live"
                  }
                ],
                "tier": "x402",
                "disclaimer": "Informational tooling only. Not financial advice. No custody, trading, or token promotion."
              }
            }
          },
          "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "type": "object",
            "properties": {
              "input": {
                "type": "object",
                "properties": {
                  "type": {
                    "type": "string",
                    "const": "http"
                  },
                  "method": {
                    "type": "string",
                    "enum": [
                      "GET",
                      "HEAD",
                      "DELETE"
                    ]
                  },
                  "queryParams": {
                    "type": "object",
                    "properties": {
                      "type": {
                        "type": "string",
                        "enum": [
                          "address",
                          "token",
                          "url"
                        ],
                        "description": "What to brief"
                      },
                      "q": {
                        "type": "string",
                        "description": "Address, token id/symbol, or URL"
                      }
                    },
                    "required": [
                      "type",
                      "q"
                    ]
                  },
                  "headers": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  }
                },
                "required": [
                  "type",
                  "method"
                ],
                "additionalProperties": false
              },
              "output": {
                "type": "object",
                "properties": {
                  "type": {
                    "type": "string"
                  },
                  "example": {
                    "type": "object"
                  }
                },
                "required": [
                  "type"
                ]
              }
            },
            "required": [
              "input"
            ]
          }
        }
      }
    },
    {
      "method": "GET",
      "path": "/v1/brief/free",
      "description": "Human/demo free tier of the same brief (20/UTC-day/IP). Not the discovery/payment route — indexers should use /v1/brief.",
      "amount": "0",
      "discoverable": false
    }
  ],
  "payment": {
    "x402": {
      "version": 2,
      "currency": "USDC",
      "primaryNetwork": "base",
      "networks": [
        "base",
        "solana"
      ],
      "pricePerBriefUsd": "0.01",
      "payTo": "0xF9eb0Caa13B78f92E2850bf5961eB9736354aA3d",
      "payToSolana": "EcGUGSda9VNzYgUmYA8mTg88MhNYeyA5tgaCgwzxfFNs",
      "facilitatorUrl": "https://facilitator.payai.network",
      "challengeHeaders": [
        "PAYMENT-REQUIRED",
        "PAYMENT-SIGNATURE",
        "PAYMENT-RESPONSE"
      ],
      "optInHeader": "X-54ch10-Pay: x402 (legacy force-challenge; canonical /v1/brief already 402s)",
      "freeHeader": "X-54ch10-Free: 1"
    }
  },
  "fundingNote": "Receive-only: payTo wallets do not need pre-funding to accept USDC. PayAI facilitator sponsors gas on settle. Optional later: bridge a little ETH/SOL only if self-settling."
}