A snapshot of the total crypto market: aggregate market capitalization in USD, 24-hour tra

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x3dA40A9aD36640a2C0F533BAC368490095574664",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "5Wxg3V6gcmFmmP6SXmGZQAUZPFYsSwoeN2Qewt5BotWz",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "activeCryptocurrencies": 17000,
          "asOf": "2026-06-15T12:00:00.000Z",
          "btcDominancePct": 56.5,
          "ethDominancePct": 13.2,
          "marketCapChange24hPct": -1.4,
          "markets": 1100,
          "source": {
            "name": "CoinGecko"
          },
          "totalMarketCapUsd": 2350000000000,
          "totalVolume24hUsd": 95000000000
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "activeCryptocurrencies": {
                  "type": "number"
                },
                "asOf": {
                  "type": "string"
                },
                "btcDominancePct": {
                  "type": "number"
                },
                "ethDominancePct": {
                  "type": "number"
                },
                "marketCapChange24hPct": {
                  "type": "number"
                },
                "markets": {
                  "type": "number"
                },
                "source": {
                  "properties": {
                    "name": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "totalMarketCapUsd": {
                  "type": "number"
                },
                "totalVolume24hUsd": {
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://crypto.apitoll.cloud/v1/crypto/global"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://crypto.apitoll.cloud/v1/crypto/global");
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://crypto.apitoll.cloud/v1/crypto/global")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header