← The evidence ledger
Evidence row 2653
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:japan-business-day-api-matchan962-workers-dev
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8de3837f5b6d3af1ad796959e46eb45023d67ada086bb2b375194f9ce295080e
- Leaf
- 0x5e57bb48f07884ba642b94d49573c4b76b2524aa94cf30c0b46dcd0d307bdeea
What was observed
{
"endpoints": [
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/add-business-days"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/bank-value-date"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/holidays"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/is-business-day"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/jpx/record-date"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/koyomi"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/koyomi/find"
],
[
"x402",
"https://japan-business-day-api.matchan962.workers.dev/v1/payment-due-date"
]
],
"name": "japan-business-day-api.matchan962.workers.dev",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:137",
"eip155:8453"
],
"category": "",
"description": "",
"domain": "japan-business-day-api.matchan962.workers.dev",
"endpoints": [
{
"description": "Add or subtract N Japanese business days from a date (e.g. settlement date T+2, delivery ETA). Skips weekends and national holidays; optional bank calendar.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "bank",
"group": "query",
"name": "calendar",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-12-28",
"group": "query",
"name": "date",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 3,
"group": "query",
"name": "days",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/add-business-days"
},
{
"description": "When will a bank transfer in Japan be credited? Given the submission time, returns the value date under standard processing: same day if before the bank cutoff (default 15:00 JST) on a bank business day, otherwise the next bank business day (skips weekends, national holidays, Dec 31 - Jan 3).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "15:00",
"group": "query",
"name": "cutoff",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-12-30T16:00:00+09:00",
"group": "query",
"name": "datetime",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 0,
"group": "query",
"name": "extraDays",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/bank-value-date"
},
{
"description": "List all Japanese national holidays (JA/EN names) for a year, from official Cabinet Office data.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "national",
"group": "query",
"name": "calendar",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 2027,
"group": "query",
"name": "year",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/holidays"
},
{
"description": "Is a given date a business day in Japan? Returns weekday/holiday status, official holiday name (JA/EN) and next/previous business day. Source: Cabinet Office of Japan.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "national",
"group": "query",
"name": "calendar",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-11-03",
"group": "query",
"name": "date",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/is-business-day"
},
{
"description": "Japanese equities dividend/shareholder-benefit schedule: from a record date (kenri kakutei-bi) returns the last cum-rights trading day and the ex-rights date under T+2 settlement, handling weekends and holidays.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-03-31",
"group": "query",
"name": "recordDate",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "5",
"l30DaysUniquePayers": "5"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/record-date"
},
{
"description": "Nikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non-trading day, plus the last trading day.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-03",
"group": "query",
"name": "month",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "5",
"l30DaysUniquePayers": "5"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/sq"
},
{
"description": "Is the Tokyo Stock Exchange (JPX/TSE) open on a date? Returns closed reasons, next/previous trading day and the first/last trading days of the year (daihakkai/dainokai).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2027-01-04",
"group": "query",
"name": "date",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/jpx/trading-day"
},
{
"description": "Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisolar calendar date incl. leap months, 24 solar terms (sekki) and year eto. Verified against the National Astronomical Observatory of Japan.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-25",
"group": "query",
"name": "date",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "7",
"l30DaysUniquePayers": "7"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/koyomi"
},
{
"description": "Find auspicious dates in Japan: list days in a range (up to 366 days) matching rokuyo (e.g. taian) and optional weekdays (e.g. sat,sun) - for scheduling weddings, moving, contract signing and ceremonies.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-01",
"group": "query",
"name": "from",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "taian",
"group": "query",
"name": "rokuyo",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-12-31",
"group": "query",
"name": "to",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "sat,sun",
"group": "query",
"name": "weekdays",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/koyomi/find"
},
{
"description": "Japanese payment terms calculator (shimebi/shiharaibi): e.g. 'month-end close, paid end of next month', shifted to the previous/next business day when the due date is a weekend or Japanese holiday. Supports bank calendar (Dec 31 - Jan 3).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "previous",
"group": "query",
"name": "adjust",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "bank",
"group": "query",
"name": "calendar",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "end",
"group": "query",
"name": "closing",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-09-15",
"group": "query",
"name": "date",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1,
"group": "query",
"name": "monthOffset",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "end",
"group": "query",
"name": "payDay",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "4"
},
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
],
"url": "https://japan-business-day-api.matchan962.workers.dev/v1/payment-due-date"
}
],
"enriched": false,
"iconUrl": "",
"id": "japan-business-day-api-matchan962-workers-dev",
"integrationType": "",
"isNew": false,
"name": "japan-business-day-api.matchan962.workers.dev",
"networks": [
"Base",
"eip155:137"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.0085",
"currency": "USDC",
"maxAmount": "0.01",
"minAmount": "0.005"
},
"provider": "japan-business-day-api.matchan962.workers.dev",
"providerUrl": "",
"serviceName": "Japan Business Day API",
"tags": [
"japan",
"business-day",
"holiday",
"fintech",
"logistics"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"8de3837f5b6d3af1ad796959e46eb45023d67ada086bb2b375194f9ce295080e","id":2653,"kind":"listing","method":"baseline/1","observed_us":1793025267069216,"prev":null,"subject":"agentic_market:japan-business-day-api-matchan962-workers-dev","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).
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- 0xc35266649882c0291274eb54fb7eb2b08d8dd0a16288cba77d1d3d754a7ae62a
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- 0xdc3c70dbe225409fe50e2ab6942c66c7b8f929919032d36872ff872dec79463f
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- 0x49cc8f2035ca48165d187499d4442647d0afe9d3c61547728b03e4a0494752eb
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- 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae