addrbookFor publishers
← The evidence ledger

Evidence row 25592

Observed , by sync.agentic_market/1.

Kind
listing
About
source_record agentic_market:api-firstmention-uk
Recorded
Previous row
#897
Body SHA-256
0fa91baa6690dadf8c33fb5d9edf8caa9c34b38c91f36a667127c6ae32dccf30
Leaf
0x52afb09a2dac9a8b3dea9f8e3691264dc031f8b3bf90b883943816d137c48e6f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.firstmention.uk/s/basedue/due"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/bizcal-api/day"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/domain-intel/dns"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/funding-rates/funding"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/fundinglens/rates"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/txpreflight/verify"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/walletprofile/profile"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/web-extract/extract"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/x402-preflight/check"
    ],
    [
      "x402",
      "https://api.firstmention.uk/s/x402index/verdict"
    ]
  ],
  "name": "api.firstmention.uk",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.firstmention.uk",
    "endpoints": [
      {
        "description": "Base token due diligence and liquidity depth: ERC-20 metadata, Uniswap V2/V3 + Aerodrome pools with reserves/depth and LP-burn share, cross-venue reference price and spread, and position exit cost. Free /sample returns a real recorded response.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
            "group": "query",
            "name": "token",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "basedue",
        "tags": [
          "base",
          "onchain",
          "defi",
          "liquidity",
          "token"
        ],
        "url": "https://api.firstmention.uk/s/basedue/due"
      },
      {
        "description": "Business-day and public-holiday API for US federal and GB bank holidays.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "bizcal-api",
        "tags": [],
        "url": "https://api.firstmention.uk/s/bizcal-api/day"
      },
      {
        "description": "Trust check for any domain in one call: DNS records, email auth (SPF/DMARC/DKIM), WHOIS registrar and age, plus live HTTP status and TLS certificate issuer/expiry and HSTS. Free /preflight sample and landing page.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "github.com",
            "group": "query",
            "name": "domain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "domain-intel",
        "tags": [
          "dns",
          "domain",
          "whois",
          "email-auth",
          "tls"
        ],
        "url": "https://api.firstmention.uk/s/domain-intel/dns"
      },
      {
        "description": "Perpetual-futures funding rates and annualized carry for BTC, ETH, SOL and more, from exchange public market-data APIs, in one call. Free /preflight sample.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "BTC",
            "group": "query",
            "name": "symbol",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "funding-rates",
        "tags": [
          "funding",
          "crypto",
          "perp",
          "market-data",
          "rates"
        ],
        "url": "https://api.firstmention.uk/s/funding-rates/funding"
      },
      {
        "description": "Perpetual funding rates across 7 venues (Binance, Bybit, OKX, Bitget, Hyperliquid, dYdX, Deribit), normalized to 8h and annualized. Free /sample.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "BTC,ETH,SOL",
            "group": "query",
            "name": "symbols",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "fundinglens",
        "tags": [
          "funding",
          "perpetuals",
          "base",
          "defi"
        ],
        "url": "https://api.firstmention.uk/s/fundinglens/rates"
      },
      {
        "description": "Base agent toolbox. /preflight simulates a tx (revert reason, gas, EIP-1559 fees in ETH and USD) before you sign. /verify reads a receipt and proves a USDC transfer settled: confirmations, amount, sender, recipient.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 5,
            "group": "query",
            "name": "amount_usd",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xe029fcf4ba573f6fdc282208fe855df8cbb3ca9a",
            "group": "query",
            "name": "pay_to",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x54002146b9c089ad89c91d1750b45d0c35e133caa5b0a536df8f57e9c2a4a74b",
            "group": "query",
            "name": "tx",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "txpreflight",
        "tags": [
          "base",
          "usdc",
          "settlement",
          "x402",
          "gas"
        ],
        "url": "https://api.firstmention.uk/s/txpreflight/verify"
      },
      {
        "description": "Base wallet activity profile + heuristic risk score + exact-address OFAC SDN sanctions screen (US Treasury list, public data). /profile and /sanctions. Free /sample.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0x4200000000000000000000000000000000000006",
            "group": "query",
            "name": "address",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 20000,
            "group": "query",
            "name": "range_blocks",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "walletprofile",
        "tags": [
          "base",
          "wallet",
          "sanctions",
          "ofac",
          "compliance"
        ],
        "url": "https://api.firstmention.uk/s/walletprofile/profile"
      },
      {
        "description": "Extract clean readable text or markdown from any public web page: title, language, word/paragraph counts and the full article body. Free /preview sample first.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "markdown",
            "group": "body",
            "name": "format",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://en.wikipedia.org/wiki/Base_(blockchain)",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "web-extract",
        "tags": [
          "extract",
          "scrape",
          "markdown",
          "article",
          "text"
        ],
        "url": "https://api.firstmention.uk/s/web-extract/extract"
      },
      {
        "description": "Check any x402 endpoint before you pay it: /check reads its 402 challenge and validates scheme, network, asset, payTo, price and latency. /uptime returns accumulated reliability history; every checked URL is auto-monitored so history compounds. Free board at /monitored.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://api.exa.ai/search",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "x402-preflight",
        "tags": [
          "x402",
          "uptime",
          "reliability",
          "payments",
          "monitoring"
        ],
        "url": "https://api.firstmention.uk/s/x402-preflight/check"
      },
      {
        "description": "x402 market intelligence. Free full-text search over ~60k live listings and a free tag map of where x402 buyers actually pay. Paid $0.01: vet one listing or get the full per-tag demand report.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://api.example.com/search?q=pdf",
            "group": "query",
            "name": "resource",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "x402index",
        "tags": [
          "x402",
          "market-data",
          "agents",
          "due-diligence",
          "demand"
        ],
        "url": "https://api.firstmention.uk/s/x402index/verdict"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-firstmention-uk",
    "integrationType": "",
    "isNew": false,
    "name": "api.firstmention.uk",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "api.firstmention.uk",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "base",
      "onchain",
      "defi",
      "liquidity",
      "token",
      "dns",
      "domain",
      "whois",
      "email-auth",
      "tls",
      "funding",
      "crypto",
      "perp",
      "market-data",
      "rates",
      "perpetuals",
      "usdc",
      "settlement",
      "x402",
      "gas",
      "wallet",
      "sanctions",
      "ofac",
      "compliance",
      "extract",
      "scrape",
      "markdown",
      "article",
      "text",
      "uptime",
      "reliability",
      "payments",
      "monitoring",
      "agents",
      "due-diligence",
      "demand"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"0fa91baa6690dadf8c33fb5d9edf8caa9c34b38c91f36a667127c6ae32dccf30","id":25592,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025354930789,"prev":897,"subject":"agentic_market:api-firstmention-uk","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x52afadcaac7f4c0c2f018b1711c2dbb14509ae22159cd1827d086b12718aa802
  2. 0xde2dbbaeb80657c2bf412d69ed3c1193d0568faa78d96b24a0d4134f63a846d0
  3. 0xc29c254d009eb763db90bd43be14fcc222fe76c2405133d18f70146cf915ac5a
  4. 0x0b6ae9aca3d76564fbcb6117c288267b441b10aa7dcd6031a5ed0032297b5197
  5. 0xff40a3279e152c063e36becea5aae86d9a1a8ba819ebeafccacca40820f0050d
  6. 0x200821734e8e69b1dc3c88ce91a93cd2efc4b6184cb86cffb6b02fd85adf88ed
  7. 0xb089fc92170f4476956ce5f6e785a7a120dd20c8d2852ec9db46ce6ced725091
  8. 0x42441b1d3031612f1ef877784c6fab8651a8fb4555001bf3fad2892fd8179124
  9. 0x66d02a06540b51be6659d2b7fbcc3bdbd49760c9d63bfc6cb0414376447ed59b
  10. 0xb8b1a249955b6487f765c3f074e474715f38edf3720c5c3ca9427be80aba6ea5
  11. 0x11ae5fc5d08fb7b25beace35e67656980e21edfc94e809110b5b9ecae306b6c8
  12. 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
  13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON