← The evidence ledger
Evidence row 297234
Observed , by sync.agentic_market/1.
- Kind
- listing
- About
- source_record agentic_market:api-firstmention-uk
- Recorded
- Previous row
- #25592
- Body SHA-256
- 6dbaa2c5eea333a378b660e0745c35a7ba3777dd3425210996c5bc85c4ce83ce
- Leaf
- 0xf8bea5b39f0200c224d0ed4c42b489bc1525059eb46a09a0a67e3370ba0bf798
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/x402check/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": "Pre-flight check any x402 seller URL: fetches the 402 challenge, decodes the payment requirements (scheme, network, asset, price, payTo), flags missing discovery metadata and returns a clear verdict.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "https://api.firstmention.uk/s/bizcal-api/day?country=US",
"group": "query",
"name": "url",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "x402check",
"tags": [
"x402",
"payments",
"validator",
"usdc",
"developer"
],
"url": "https://api.firstmention.uk/s/x402check/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",
"validator",
"developer",
"agents",
"due-diligence",
"demand"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"6dbaa2c5eea333a378b660e0745c35a7ba3777dd3425210996c5bc85c4ce83ce","id":297234,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793052174754211,"prev":25592,"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).
- 0xf8be92824fce9b31ff88691edfe4e0c64235a0b338a0a7433cc3b222628f65fd
- 0x1561ed14232856fef68f2a461c7dd064aa658c2be251ce8b6bcba8a9c53d4360
- 0x0492ecad754435039786dc4a12764580c5c297fba1590a3481568de0d12b9b53
- 0x082ab8b6f50c412fe2fe89de94352d978976c5b2e326054b2f90213225735a46
- 0x4e2ccfadabcb417d5072e441dd10d217882985f28e8c8a2667fd9bd944500214
- 0xdd201806f58df590a9c048960bb2301360857204f1a6c141a1d786a967f26d04
- 0x319027951d47692aee8c66edeab8f023a832822f69c90b6c0219e50f4e2fac6c
- 0x812d89d634fb6a2b5049ba7ad2ffe9707343c39ac1726beeb10175fdee221b4f
- 0xf66628a0d3140c444dce5159611601d48ff0b1f54e3cf2b722d1b1f0d78fbecc
- 0xedbb756c6884e1e4b4d8aa27e3c5a9118300a1c763d183c08ab09c58ee11482f
- 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
- 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
- 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae