{
 "generated": "2026-08-17T21:44:49.457427+00:00",
 "source": "https://whatagentsbuy.com",
 "api_version": 1,
 "license": "CC BY 4.0, attribute What Agents Buy",
 "what": "Per-category accuracy corpus: every seller in an objective category, paid and graded against a primary source (exchange median, FMP, the ECB, the chain, a weather model), ranked by deviation then price. verdict is accurate or off; sellers that returned no usable value are omitted here and marked inconclusive in the receipts.",
 "categories": {
  "crypto-price": {
   "metric": "BTC/USD spot price",
   "source": "Coinbase/Kraken median",
   "reference": 64269.8475,
   "unit": "bps",
   "tolerance": 100.0,
   "sellers": [
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     "host": "api.anchor-x402.com",
     "value": 64269.0,
     "deviation": -0.1,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "payanagent.com",
     "value": 64269.0,
     "deviation": -0.1,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402.tbs-digital.com",
     "value": 64266.87945096204,
     "deviation": -0.5,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "crypto.apitoll.cloud",
     "value": 64266.11,
     "deviation": -0.6,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "bazaar-gateway.vercel.app",
     "value": 64266.10769732805,
     "deviation": -0.6,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "proxy.suverse.io",
     "value": 64265.0,
     "deviation": -0.8,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "api.eucompliance.tools",
     "value": 64264.9,
     "deviation": -0.8,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "currency-api-production-4a8d.up.railway.app",
     "value": 64264.0,
     "deviation": -0.9,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "api.x402node.dev",
     "value": 64264.19,
     "deviation": -0.9,
     "price_usdc": 0.004,
     "verdict": "accurate"
    },
    {
     "host": "vibesprings.net",
     "value": 64276.07,
     "deviation": 1.0,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "defi-api.agenticfi.wtf",
     "value": 64262.0,
     "deviation": -1.2,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402-defi-signals.onrender.com",
     "value": 64262.0,
     "deviation": -1.2,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "defi-signals.org",
     "value": 64262.0,
     "deviation": -1.2,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "coingecko.use.x402atlas.com",
     "value": 64281.0,
     "deviation": 1.7,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "keyronne.com",
     "value": 64255.24348587297,
     "deviation": -2.3,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "blockrun.ai",
     "value": 64255.24348587297,
     "deviation": -2.3,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "x402.ochinimus.app",
     "value": 64254.12,
     "deviation": -2.4,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "nectar-tools.fly.dev",
     "value": 64285.0,
     "deviation": 2.4,
     "price_usdc": 0.015,
     "verdict": "accurate"
    },
    {
     "host": "x402.shizu.me",
     "value": 64293.555,
     "deviation": 3.7,
     "price_usdc": 0.004,
     "verdict": "accurate"
    },
    {
     "host": "finance.toonhaus.dev",
     "value": 64294.64,
     "deviation": 3.9,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "api2ls.com",
     "value": 64313.39,
     "deviation": 6.8,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "gateway.spraay.app",
     "value": 64216.511203,
     "deviation": -8.3,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "kronossignals.com",
     "value": 64325.3,
     "deviation": 8.6,
     "price_usdc": 0.02,
     "verdict": "accurate"
    },
    {
     "host": "netintel.dev",
     "value": 64325.515,
     "deviation": 8.7,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "apexrunner.ai",
     "value": 64344.5,
     "deviation": 11.6,
     "price_usdc": 0.007,
     "verdict": "accurate"
    }
   ]
  },
  "fx-rate": {
   "metric": "EUR/USD rate",
   "source": "ECB reference rate",
   "reference": 1.1593,
   "unit": "bps",
   "tolerance": 50.0,
   "sellers": [
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     "host": "data.greeneris.io",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402-datashop-production.up.railway.app",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "workbot1.oddsys.org",
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     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402.orthogonal.com",
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     "deviation": 0.0,
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     "verdict": "accurate"
    },
    {
     "host": "vibesprings.net",
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     "deviation": 0.0,
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     "verdict": "accurate"
    },
    {
     "host": "toolsmith-api.dassad10.workers.dev",
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     "deviation": 0.0,
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     "verdict": "accurate"
    },
    {
     "host": "toolcall.click",
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     "deviation": 0.0,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "agent402.co.uk",
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     "deviation": 0.0,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "x402.shizu.me",
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     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "vending-machine-seven.vercel.app",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "macropulse.theaslangroupllc.com",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "api.hergertsynthora.com",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "x402-seller.onrender.com",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.008,
     "verdict": "accurate"
    },
    {
     "host": "api2ls.com",
     "value": 1.1593,
     "deviation": 0.0,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "tick.hugen.tokyo",
     "value": 1.15784,
     "deviation": -12.6,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "api.glianalabs.com",
     "value": 1.15718,
     "deviation": -18.3,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "ai-data-marketplace-1042299154756.us-central1.run.app",
     "value": 1.157181,
     "deviation": -18.3,
     "price_usdc": 0.02,
     "verdict": "accurate"
    },
    {
     "host": "www.stratalize.com",
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     "deviation": -29.3,
     "price_usdc": 0.02,
     "verdict": "accurate"
    }
   ]
  },
  "gas-price": {
   "metric": "Base gas base fee (gwei)",
   "source": "Base chain latest block",
   "reference": 0.005,
   "unit": "gwei",
   "tolerance": 0.01,
   "sellers": [
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     "host": "vibesprings.net",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "gas.apitoll.cloud",
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     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "evm-gas.apitoll.cloud",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "quartermaster.surewhynot.app",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "api.tickersfeed.net",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402-data-api.sigrunner.workers.dev",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "api.agentfeeds.jp",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "chainverdict.xyz",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "keyronne.com",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "x402.shizu.me",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "x402.donnyautomation.com",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "base-gas-x402-production.up.railway.app",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "netintel.dev",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "gateway.spraay.app",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "entropy.rip",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "x402-mcp.onrender.com",
     "value": 0.005,
     "deviation": 0.0,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "402.com.tr",
     "value": 0.005,
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     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "www.stratalize.com",
     "value": 0.004671,
     "deviation": -0.0003,
     "price_usdc": 0.02,
     "verdict": "accurate"
    },
    {
     "host": "api.seneschal.space",
     "value": 0.005435493,
     "deviation": 0.0004,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402tap.com",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "x402.agentfund.net",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.001,
     "verdict": "accurate"
    },
    {
     "host": "toolsmith-api.dassad10.workers.dev",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.002,
     "verdict": "accurate"
    },
    {
     "host": "api.basefeed.io",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "api.x402node.dev",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "opportunity-api-production.up.railway.app",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "booaip.vercel.app",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.005,
     "verdict": "accurate"
    },
    {
     "host": "chainsscope.duckdns.org",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "api.glianalabs.com",
     "value": 0.006,
     "deviation": 0.001,
     "price_usdc": 0.01,
     "verdict": "accurate"
    },
    {
     "host": "signals.edge.report",
     "value": 0.007,
     "deviation": 0.002,
     "price_usdc": 0.001,
     "verdict": "accurate"
    }
   ]
  },
  "wallet-balance": {
   "metric": "USDC balance of vitalik.eth on Base",
   "source": "Base chain balanceOf",
   "reference": 30.464119,
   "unit": "USDC",
   "tolerance": 0.01,
   "sellers": [
    {
     "host": "api.oblique.markets",
     "value": 30.464119,
     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "ai-data-marketplace-1042299154756.us-central1.run.app",
     "value": 30.464119,
     "deviation": 0.0,
     "price_usdc": 0.003,
     "verdict": "accurate"
    },
    {
     "host": "netintel.dev",
     "value": 30.46,
     "deviation": -0.0041,
     "price_usdc": 0.005,
     "verdict": "accurate"
    }
   ]
  },
  "weather": {
   "metric": "New York temperature",
   "source": "Open-Meteo (New York)",
   "reference": 76.7,
   "unit": "\u00b0F",
   "tolerance": 5.0,
   "sellers": [
    {
     "host": "x402-data-api.sigrunner.workers.dev",
     "value": 77.0,
     "deviation": 0.3,
     "price_usdc": 0.001,
     "verdict": "accurate"
    }
   ]
  }
 }
}