gapfill
Business days and public holidays: the date N business days from a date, business days between two dates (with Brazil's du/252), whether a date is a business day with the previous and next, or a year's holidays. Calendars: US federal, Federal Reserve, NYSE, Japan, Brazil (ANBIMA), Canada and provinces, UK nations and ECB TARGET, with substitute and observed days. For settlement dates, filing deadlines and SLA schedules. Each answer names its rule source.
OtherUnknowneip155:8453Exactvia cdp
Business daysHolidaysBank holidaysCalendarWorking days
Settlements · 30d
17
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$0.07
Verified settled volume
17 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0040
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-10-26 10:38Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x91A71892231A256d69d4bf8a442234701a762AaFThe wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.004USDC≈ $0.004 USD
on Base · exact scheme
Pay 0.004 USDC on Base to 0x91A7…62AaF. The signed payment is good for 5 minutes.
- Paid to
- 0x91A7…62AaF
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 4000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x91A71892231A256d69d4bf8a442234701a762AaF",
"amount": "4000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"add": 5,
"from": "2026-07-17",
"calendar": "JP"
}
},
"output": {
"type": "json",
"example": {
"from": "2026-07-17",
"mode": "add",
"notes": [],
"result": "2026-07-27",
"calendar": {
"id": "JP",
"name": "Japan: national holidays (国民の祝日)",
"years": {
"last": 2099,
"first": 2020
},
"source": {
"url": "https://www8.cao.go.jp/chosei/shukujitsu/gaiyou.html",
"name": "Act on National Holidays (国民の祝日に関する法律); equinoxes by NAOJ's formula",
"licence": "Computed from the rules; dates and rules are facts, not licensed material"
},
"weekend": [
"Saturday",
"Sunday"
]
},
"convention": "Counts business days after from (from itself is not counted), as spreadsheet WORKDAY does; a negative add counts back.",
"calendarDays": 10,
"resultWeekday": "Monday",
"addBusinessDays": 5,
"holidaysSkipped": [
{
"date": "2026-07-20",
"name": "Marine Day",
"weekday": "Monday",
"localName": "海の日"
}
],
"fromIsBusinessDay": true
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"calendar"
],
"properties": {
"to": {
"type": "string",
"description": "End date YYYY-MM-DD: counts business days from from"
},
"tz": {
"type": "string",
"description": "IANA time zone that \"today\" is read in (default: the calendar's)"
},
"add": {
"type": "integer",
"description": "Business days to add to from (negative counts back)"
},
"date": {
"type": "string",
"description": "One date YYYY-MM-DD to check"
},
"from": {
"type": "string",
"description": "Start date YYYY-MM-DD, or \"today\""
},
"year": {
"type": "integer",
"description": "A year: lists its holidays"
},
"weekend": {
"type": "string",
"description": "Weekend days, comma-separated (default \"sat,sun\"; \"fri,sat\"; \"none\")"
},
"calendar": {
"enum": [
"US",
"US-FED",
"NYSE",
"JP",
"JP-GOV",
"JP-BANK",
"BR",
"CA",
"CA-AB",
"CA-BC",
"CA-MB",
"CA-NB",
"CA-NL",
"CA-NS",
"CA-NT",
"CA-NU",
"CA-ON",
"CA-PE",
"CA-QC",
"CA-SK",
"CA-YT",
"GB-ENG",
"GB-SCT",
"GB-NIR",
"TARGET"
],
"type": "string",
"description": "The holiday calendar (country is read as the same). Aliases: USA, UK, GB, JAPAN, BRAZIL, ANBIMA, CANADA, ECB, T2"
},
"saturday_off": {
"type": "boolean",
"description": "false makes Saturday a business day"
},
"new_year_break": {
"type": "boolean",
"description": "JP: adds December 29 to January 3 (the JP-GOV calendar)"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"calendar",
"mode",
"notes"
],
"properties": {
"to": {
"type": "string"
},
"from": {
"type": "string"
},
"mode": {
"enum": [
"add",
"count",
"check",
"year"
],
"type": "string"
},
"notes": {
"type": "array",
"items": {
"type": "string"
}
},
"result": {
"type": "string"
},
"calendar": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"years": {
"type": "object"
},
"source": {
"type": "object"
},
"weekend": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"holidays": {
"type": "array",
"items": {
"type": "object",
"properties": {
"date": {
"type": "string"
},
"name": {
"type": "string"
},
"weekday": {
"type": "string"
},
"localName": {
"type": "string"
},
"observedFrom": {
"type": "string"
}
}
}
},
"businessDays": {
"type": "integer"
},
"isBusinessDay": {
"type": "boolean"
},
"addBusinessDays": {
"type": "integer"
},
"holidaysSkipped": {
"type": "array"
},
"nextBusinessDay": {
"type": [
"string",
"null"
],
"description": "null after the years covered"
},
"previousBusinessDay": {
"type": [
"string",
"null"
],
"description": "null before the years covered"
},
"businessDaysInclusive": {
"type": "integer"
}
}
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-26 10:38Z
- Last indexed by Roundhouse
- 2026-10-26 20:00Z
- Last enriched (probe, favicon, geo)
- —
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- Not probed
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service gapfill and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=gapfill' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://jotowl.com/v1/business-days, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.