Real-time crypto & macro market data for AI agents, pay-per-call in USDC (no account or AP

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xbeeBd30639E99bbcE11FAA2b463fCCCf6215831b",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "input": {},
          "tool": "get_fear_greed"
        },
        "bodyType": "json",
        "method": "POST",
        "pathParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "data": {
            "classification": "Extreme Fear",
            "value": 20
          },
          "ok": true,
          "tool": "get_fear_greed"
        },
        "type": "json"
      }
    },
    "routeTemplate": ":var1",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "input": {
                  "type": "object"
                },
                "tool": {
                  "enum": [
                    "get_crypto_market",
                    "get_fear_greed",
                    "get_derivatives",
                    "get_derivatives_aggregate",
                    "get_macro_rates",
                    "get_market_quotes",
                    "get_economic_calendar",
                    "get_crypto_news",
                    "get_defi_overview",
                    "get_btc_network",
                    "get_eth_address",
                    "get_eth_whale_flows",
                    "get_market_dominance",
                    "get_market_history",
                    "get_implied_volatility",
                    "get_execution_cost",
                    "get_market_brief"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "tool"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://asistent-crypto.vercel.app/api/x402/query"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://asistent-crypto.vercel.app/api/x402/query");
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://asistent-crypto.vercel.app/api/x402/query")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header