US trade-flow + tariff signal by commodity

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "category": "steel"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "category": "steel",
          "import_concentration_top1_pct": 17.6,
          "signal": "US steel imports $2.1B/mo (-11.9% YoY), top source Canada (17.6%); tariffs mostly duty-free",
          "us_imports_usd": 2123437407
        },
        "format": "json",
        "type": "object"
      }
    },
    "schema": {
      "category": "trading",
      "description": "US international trade + tariff signal for a commodity category (steel, electronics, vehicles, pharma, chemicals, oil, grain, etc.). For a given commodity, returns: latest monthly US imports and exports ($), year-over-year trend on both, the top-5 source countries with import share and single-country concentration, and US tariff exposure for that category (duty-free vs dutiable rate range). Use it to gauge supply dependence, reshoring/decoupling shifts, and tariff burden by sector — a companion to supply-chain-stress data. Pay-per-call $0.05 in USDC on Base via x402. Data = US Census International Trade + USITC HTS, US government public domain.",
      "name": "TradePulse",
      "properties": {
        "input": {
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "category": {
                  "title": "Category",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "category": "steel",
              "import_concentration_top1_pct": 17.6,
              "signal": "US steel imports $2.1B/mo (-11.9% YoY), top source Canada (17.6%); tariffs mostly duty-free",
              "us_imports_usd": 2123437407
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "tags": [
        "trade",
        "tariffs",
        "supply-chain",
        "macro",
        "commodities",
        "imports",
        "customs"
      ],
      "type": "object",
      "version": "1.0.0"
    }
  },
  "bc_kg64bd18": {}
}

curl "https://trade.lonestaroracle.xyz/trade"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://trade.lonestaroracle.xyz/trade");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://trade.lonestaroracle.xyz/trade")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header