{
  "x402Version": 2,
  "id": 386,
  "slug": "386",
  "resource": "https://kronossignals.com/api/v1/price/btc",
  "description": "Multi-source volume-weighted median (VWM) spot price for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). Aggregates Binance, Coinbase, Kraken, and OKX in parallel (2 s timeout per source). Includes 1% outlier rejection, cross-exchange spread %, confidence grading (high/medium/low), and per-source USD volume weights. Kaiko-style reference pricing — $0.02/call.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "pathParams": {},
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "as_of": "2026-01-01T00:00:00.000Z",
            "asset": "BTC-USD",
            "confidence": "high",
            "cross_exchange_spread_pct": 0.08,
            "data_age_seconds": 0,
            "disclaimer": "Volume-weighted median price from up to 4 exchanges. Informational only, not financial advice.",
            "outliers_rejected": 0,
            "price": 107500,
            "price_simple_median": 107480,
            "sources": [
              {
                "exchange": "binance",
                "included": true,
                "price": 107510,
                "vol_weight": 0.45,
                "volume": 1200000000
              },
              {
                "exchange": "coinbase",
                "included": true,
                "price": 107490,
                "vol_weight": 0.3,
                "volume": 800000000
              },
              {
                "exchange": "kraken",
                "included": true,
                "price": 107500,
                "vol_weight": 0.15,
                "volume": 400000000
              },
              {
                "exchange": "okx",
                "included": true,
                "price": 107480,
                "vol_weight": 0.1,
                "volume": 270000000
              }
            ]
          },
          "example_kind": "illustrative_schema_only",
          "example_note": "Placeholder values and timestamps, not market data.",
          "type": "json"
        }
      },
      "routeTemplate": ":var1",
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "pathParams": {
                "type": "object"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "kronossignals.com",
  "lastUpdated": "2026-09-12T17:22:31.07Z",
  "quality": {
    "calls30d": 252,
    "uniquePayers30d": 11,
    "lastCalledAt": "2026-09-12T17:22:30.818Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "kronossignals.com",
    "manifest_name": "kronossignals.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}