← The evidence ledger
Evidence row 547463
Observed , by sync.agentic_market/1.
- Kind
- listing
- About
- source_record agentic_market:api-firstmention-uk
- Recorded
- Previous row
- #469312
- Body SHA-256
- dc2d0bb70463341340fe828f586c6d39e8d2806948bcae163eafebf7f070c1ab
- Leaf
- 0x45c646fecca36d039688fc58a446e7f585b59914a543c4312c15e950e94f6b06
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/domain-intel/lookup"
],
[
"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 over x402. /report bundles due diligence, cross-venue reference price and position exit cost in ONE $0.01 call. /price now takes up to 10 tokens per $0.01 call for bulk screening. Free /sample on every endpoint.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913,0x4200000000000000000000000000000000000006",
"group": "query",
"name": "tokens",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "basedue",
"tags": [
"base",
"onchain",
"token",
"price",
"batch"
],
"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": "4",
"l30DaysUniquePayers": "3"
},
"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": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "domain-intel",
"tags": [
"dns",
"domain",
"whois",
"email-auth",
"tls"
],
"url": "https://api.firstmention.uk/s/domain-intel/dns"
},
{
"description": "Trust check for any domain in one call: DNS, email auth (SPF/DMARC/DKIM), WHOIS age, live HTTPS/TLS, plus a 0-100 trust score and verdict. Free instant check in the browser.",
"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": null,
"serviceName": "domain-intel",
"tags": [
"dns",
"email-auth",
"spf",
"dmarc",
"domain-trust"
],
"url": "https://api.firstmention.uk/s/domain-intel/lookup"
},
{
"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": "2",
"l30DaysUniquePayers": "2"
},
"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": "2",
"l30DaysUniquePayers": "2"
},
"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": "3",
"l30DaysUniquePayers": "3"
},
"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": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "x402check",
"tags": [
"x402",
"payments",
"validator",
"usdc",
"developer"
],
"url": "https://api.firstmention.uk/s/x402check/check"
},
{
"description": "x402 market intelligence: search ~60k live x402 listings, compare competitor prices, vet an endpoint, and see which tags actually have repeat payers. Free /search, /market, /compare, /demand-map. Paid…[53 more chars, already applied]",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "https://api.firstmention.uk/s/x402index/search",
"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": "x402index",
"tags": [
"x402",
"market-data",
"discovery",
"validation",
"pricing"
],
"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",
"token",
"price",
"batch",
"dns",
"domain",
"whois",
"email-auth",
"tls",
"spf",
"dmarc",
"domain-trust",
"funding",
"crypto",
"perp",
"market-data",
"rates",
"perpetuals",
"defi",
"usdc",
"settlement",
"x402",
"gas",
"wallet",
"sanctions",
"ofac",
"compliance",
"extract",
"scrape",
"markdown",
"article",
"text",
"uptime",
"reliability",
"payments",
"monitoring",
"validator",
"developer",
"discovery",
"validation",
"pricing"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"dc2d0bb70463341340fe828f586c6d39e8d2806948bcae163eafebf7f070c1ab","id":547463,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793133197743264,"prev":469312,"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 (273461 rows).
- 0x45c6d152a2fdc8b93111b754398bee384e0f7ca975ced7acc21914785506a2dc
- 0xdad9892429fc36e9249379434283cfe31af0ef9192b121b2ea13ffffae9d376d
- 0x176e06dd55c66c9e892c385a431356fb9bf3fcd9bdaece39f23438be98a57785
- 0x2d67fcf4a7374030939f307816e5f3df29bac6c5232ecd3439098ef520c4ccb5
- 0x5476b6b452d358eacddca92eaf7ef947654bbc5d5e5155d9bc20ff3552b85302
- 0xf7df71062645eefd00093463e6f74dab753c5202d5a3133f164322ebfd05f3ea
- 0xe4e445c3a709af9d3398a10afce56590471c957006fedafe33e8655ef9d5c270
- 0x03ea9fe40c008c445e2982bdcea72365679640691407b6cfbae9d57224c48bf4
- 0x5532a6615f86e719b3179a60b31f64f1a572faa59bbb96b8162c98a5de3cbbcc
- 0x5bfbe7ccdb4fc096a0e333ae82fe6e5aeba69315084d2a7593944eedb3a5b127
- 0xb0aa948b8f1ffa99da7b7b4fecd9b7d539930ac590588a6deea36813f55a0423
- 0x92473b1fa79263164c4ce7d79f93b1dc8a85f63587b51a81433d1ad19b285a90
- 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
- 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
- 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
- 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4