← The evidence ledger
Evidence row 1504055
Observed , by sync.agentic_market/1.
- Kind
- listing
- About
- source_record agentic_market:api-facts402-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b425c55d748ca119799d6d42a7a05651518583138180e776a6841f173ca9af99
- Leaf
- 0xadf49189b69b0512359ed8e4acb04c115844cb3323936a990f804c8bb542eef7
What was observed
{
"endpoints": [
[
"x402",
"https://api.facts402.com/business-days"
],
[
"x402",
"https://api.facts402.com/check"
],
[
"x402",
"https://api.facts402.com/domain"
],
[
"x402",
"https://api.facts402.com/email"
],
[
"x402",
"https://api.facts402.com/fx"
],
[
"x402",
"https://api.facts402.com/iban"
],
[
"x402",
"https://api.facts402.com/lei"
],
[
"x402",
"https://api.facts402.com/phone"
],
[
"x402",
"https://api.facts402.com/sanctions"
],
[
"x402",
"https://api.facts402.com/sun"
],
[
"x402",
"https://api.facts402.com/vat"
],
[
"x402",
"https://api.facts402.com/weather"
]
],
"name": "api.facts402.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "api.facts402.com",
"endpoints": [
{
"description": "Public holidays and business-day count for any of 200+ countries (and subdivisions) over a date range: holiday names, weekend rule, business days, next business day. For travel, deadlines, delivery and scheduling agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BG",
"group": "body",
"name": "country",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2027-01-08",
"group": "body",
"name": "end",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-12-21",
"group": "body",
"name": "start",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Business Days & Holidays",
"tags": [
"holidays",
"business-days",
"calendar",
"travel",
"scheduling"
],
"url": "https://api.facts402.com/business-days"
},
{
"description": "Base mainnet token facts: name, symbol, decimals, totalSupply, contract/EIP-1967 proxy status, owner(), and mint/pause/blacklist selectors in bytecode. Facts only, no ratings.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"group": "body",
"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": "Base Token Check",
"tags": [
"base",
"erc20",
"token",
"onchain",
"facts"
],
"url": "https://api.facts402.com/check"
},
{
"description": "Registration facts for any domain via RDAP (official WHOIS successor): registered or not, creation and expiry dates, age in days, registrar, EPP status codes, nameservers and DNSSEC. Accepts hosts like www.example.co.uk. For fraud, lead-qualification, KYB and link-safety agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "www.github.com",
"group": "body",
"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 Age & RDAP Check",
"tags": [
"domain",
"whois",
"rdap",
"fraud",
"kyb"
],
"url": "https://api.facts402.com/domain"
},
{
"description": "Check an email address before sending: RFC syntax and normalisation, live DNS (domain exists, MX records, accepts mail, null MX), disposable/throwaway domain and role-account (info@, support@) flags. No SMTP probing. For lead-gen, signup and outreach agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "support@github.com",
"group": "body",
"name": "email",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Email Address Check",
"tags": [
"email",
"validation",
"mx",
"disposable",
"leads"
],
"url": "https://api.facts402.com/email"
},
{
"description": "Convert an amount between ~30 currencies at the official European Central Bank reference rates, latest or any day in the last 90 days, with the exact publication date used and exact decimal results. For pricing, invoicing, travel-budget and accounting agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 100,
"group": "body",
"name": "amount",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "USD",
"group": "body",
"name": "from",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "JPY",
"group": "body",
"name": "to",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "ECB FX Rates",
"tags": [
"fx",
"currency",
"exchange-rates",
"ecb",
"finance"
],
"url": "https://api.facts402.com/fx"
},
{
"description": "Validate an IBAN (structure, mod-97 and, where defined, national BBAN checksum) and return country, bank code, account code, bank name, BIC and SEPA membership. Offline registry, instant. For payment, invoicing and payout agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "DE89 3704 0044 0532 0130 00",
"group": "body",
"name": "iban",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "IBAN & BIC Check",
"tags": [
"iban",
"bic",
"banking",
"payments",
"sepa"
],
"url": "https://api.facts402.com/iban"
},
{
"description": "Look up a legal entity in the official GLEIF Global LEI Index: by 20-char LEI get legal name, status, jurisdiction, legal and HQ address, registration dates, corroboration level and direct/ultimate parent; or search by company name for up to 5 candidates. For KYB, onboarding and finance agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "7LTWFZYICNSX8D621K86",
"group": "body",
"name": "lei",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "LEI Company Lookup",
"tags": [
"lei",
"kyb",
"company",
"gleif",
"compliance"
],
"url": "https://api.facts402.com/lei"
},
{
"description": "Validate and normalise any phone number worldwide: valid/possible, E.164 and national formats, country, type (mobile, fixed line, toll-free, VoIP...), original carrier, location and time zones. Offline, instant. For CRM, outreach, KYC and calling agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "+44 20 7946 0018",
"group": "body",
"name": "number",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Phone Number Check",
"tags": [
"phone",
"validation",
"e164",
"crm",
"telecom"
],
"url": "https://api.facts402.com/phone"
},
{
"description": "Fuzzy-screen a person, company, vessel or aircraft name against the US Treasury OFAC SDN list including aliases (live list, refreshed every 6 h): matched entries with score, type, sanctions programs and remarks, plus the closest near-miss score. Screening aid for payment, onboarding, KYC/KYB and trade agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 88,
"group": "body",
"name": "min_score",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "Banco Nacional de Cuba",
"group": "body",
"name": "name",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "OFAC Sanctions Screening",
"tags": [
"sanctions",
"ofac",
"aml",
"kyc",
"compliance"
],
"url": "https://api.facts402.com/sanctions"
},
{
"description": "Sunrise, sunset, solar noon, civil dawn/dusk, morning and evening golden hour and day length for any coordinates and date, in the place's local time zone; polar day/night flagged. Offline astronomy. For travel, tourism, photography, events and outdoor-planning agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-12-21",
"group": "body",
"name": "date",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 41.9029,
"group": "body",
"name": "lat",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 12.4534,
"group": "body",
"name": "lon",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Sunrise & Sunset Times",
"tags": [
"sunrise",
"sunset",
"travel",
"tourism",
"photography"
],
"url": "https://api.facts402.com/sun"
},
{
"description": "Validate an EU VAT number: offline format and check-digit test plus a live lookup in the European Commission's VIES, returning registration status, company name and address. Busy or offline member states return 503 and are not charged. For B2B invoicing, KYB and onboarding agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "IE6388047V",
"group": "body",
"name": "vat_number",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "EU VAT Number Check",
"tags": [
"vat",
"vies",
"eu",
"invoicing",
"kyb"
],
"url": "https://api.facts402.com/vat"
},
{
"description": "Weather forecast for any latitude/longitude: current conditions plus up to 7 local-day summaries (min/max temperature, precipitation, max wind, weather symbol) in the place's own time zone. Data from MET Norway (CC BY 4.0). For travel, tourism, events and logistics agents.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 2,
"group": "body",
"name": "days",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 42.6977,
"group": "body",
"name": "lat",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 23.3219,
"group": "body",
"name": "lon",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Weather Forecast",
"tags": [
"weather",
"forecast",
"travel",
"tourism",
"geo"
],
"url": "https://api.facts402.com/weather"
}
],
"enriched": false,
"iconUrl": "",
"id": "api-facts402-com",
"integrationType": "",
"isNew": false,
"name": "api.facts402.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.01",
"currency": "USDC",
"maxAmount": "0.01",
"minAmount": "0.01"
},
"provider": "api.facts402.com",
"providerUrl": "",
"serviceName": "",
"tags": [
"holidays",
"business-days",
"calendar",
"travel",
"scheduling",
"base",
"erc20",
"token",
"onchain",
"facts",
"domain",
"whois",
"rdap",
"fraud",
"kyb",
"email",
"validation",
"mx",
"disposable",
"leads",
"fx",
"currency",
"exchange-rates",
"ecb",
"finance",
"iban",
"bic",
"banking",
"payments",
"sepa",
"lei",
"company",
"gleif",
"compliance",
"phone",
"e164",
"crm",
"telecom",
"sanctions",
"ofac",
"aml",
"kyc",
"sunrise",
"sunset",
"tourism",
"photography",
"vat",
"vies",
"eu",
"invoicing",
"weather",
"forecast",
"geo"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"b425c55d748ca119799d6d42a7a05651518583138180e776a6841f173ca9af99","id":1504055,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793470669074239,"prev":null,"subject":"agentic_market:api-facts402-com","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (246033 rows).
- 0xadf444ececf14e4782258aae8451bf64a76058424ab896281d2621203629a5ca
- 0x6c8122b345132723ed3775b92b57d4f67d20b80dfe8721e94d1b69cfc784f479
- 0xa8e3810cd3c59ec763d9be3e3480b99f64ff167810c10dc18daf2392c604e027
- 0x3948d134b12646cd34be0d6910e74b0e056129125f983b5765f57a47e84f27f8
- 0xe76d5303b326f5836fe731124bcc8d09f980682d300e8dc28209e1cdd3f40f73
- 0x44b120b755265e5d4f1c91db57f900ff162c76f7b9d68d6027f7a5fe229f904d
- 0xec13d8c2b74fe875fb10ce21be56499e0b3d710ba9668d8fe787dee14bddfe74
- 0xa06a98fdf0bf681e80f117cf525295be601de18925f29f8bd8e49f27a102d256
- 0xa7f524564056f0654f06669fa149cdbec983d2bedc208a759755c5d3b7f1e75c
- 0xa9501ca87fcf858180f8dc1df7cdfae5b13f3f024e44218dfc1b9d3672115bb4
- 0x514499a2e09619b86e7ed1db689750d97d3f8424cdd40c78bcb8597fc36a394c
- 0x34ebe35e665c8ad4cfee030a83512f81e33c32db411169ebb250ec39780fa4c8
- 0x0b806489de9a06dcb3c577117e5b9b04eba4220a7b621a2fa8d84dafcbb2eb4e
- 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
- 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
- 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
- 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
- 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57
- Day root
- 0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
- Chained
- 0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
- Published
- On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0