← The evidence ledger
Evidence row 69069
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.stablecoingateways.com/v1/business-days
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8eafe6f6b19768867f621f81a8f866e37cf87c12709c5fcf7fcb25523e87c7b9
- Leaf
- 0x57f2e07bd9479bc3216b2c339a689c40a29a26eace0b0d2085e1f403f24cafe7
What was observed
{
"endpoints": [
[
"x402",
"https://api.stablecoingateways.com/v1/business-days"
]
],
"name": "Business Days and Holidays",
"owner_address": "0x39bf4378b74f9e19c5113b00b01f57d94537bad1",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"invoiceId": "1792966188-404b4b33c8f0457f-d798-80f65db85a171b44370a2cf7",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 600,
"network": "eip155:8453",
"payTo": "0x39BF4378b74f9E19c5113b00b01f57d94537bad1",
"scheme": "exact"
},
{
"amount": "798",
"asset": "XRP",
"extra": {
"invoiceId": "1792966188-404b4b33c8f0457f-d798-80f65db85a171b44370a2cf7",
"sourceTag": 26100006
},
"maxTimeoutSeconds": 600,
"network": "xrpl:0",
"payTo": "r3BsahzSMtF4HiJuL8HMf1se6T1JtMB6hg",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"extra": {
"invoiceId": "1792966188-404b4b33c8f0457f-d798-80f65db85a171b44370a2cf7",
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 600,
"network": "eip155:84532",
"payTo": "0x3177FA489523ddF60f293898f7Ee5912576f3d9b",
"scheme": "exact"
},
{
"amount": "798",
"asset": "XRP",
"extra": {
"invoiceId": "1792966188-404b4b33c8f0457f-d798-80f65db85a171b44370a2cf7",
"sourceTag": 26100006
},
"maxTimeoutSeconds": 600,
"network": "xrpl:1",
"payTo": "rDbkEYdqLHcnWAHAVFwhH6KM6puCPbXNgs",
"scheme": "exact"
}
],
"description": "Business days and public holidays: check if a date is a business day, add or subtract N business days, count business days between dates, or list holidays, for 250 countries, 630 subdivisions (e.g. US-NY, GB-ENG) and 31 stock exchanges, 2025-2030. Use for payment due dates, T+N settlement, delivery estimates and SLAs. Data: python-holidays (MIT). Signed receipt.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"calendar": "US-NY",
"date": "2026-12-23",
"days": "3",
"op": "add"
},
"type": "http"
},
"output": {
"example": {
"data": {
"calendar": "US-NY",
"coverage": [
"2025-01-01"
],
"days": 3,
"holidays_skipped": [
{
"date": "2026-12-25",
"holiday": "Christmas Day"
}
],
"op": "add",
"provenance": {
"data_timestamp": null,
"evidence_only": true,
"facts": [
{
"fact": "The result of adding 3 business days to 2026-12-23 was computed loc...",
"id": "business_days.holiday_calendar",
"limits": [
"Holiday dates are the rules of python-holidays ..."
],
"retrieved_at": null,
"source": "python-holidays 0.107 (MIT), calendar US-NY",
"source_as_of": null,
"source_url": "https://pypi.org/project/holidays/"
}
],
"schema": "sg-provenance/1"
},
"result": "2026-12-29",
"source": "python-holidays (MIT) public/financial holiday data; observed-day rules as implemented ...",
"start": "2026-12-23",
"weekend_days": [
"Sun"
]
},
"receipt": {
"endpoint_id": "business-days-v1",
"evidence": {
"data_timestamp": "2026-10-24T09:00:00Z",
"provenance_hash": "<sha256>",
"service_version": "<version>",
"terms_hash": "<sha256>",
"terms_version": "<label>",
"validation": "input=pass;freshness=pass;output=pass;provenance=pass"
},
"log_seq": 1,
"price": {
"amount": "1000",
"asset": "USDC",
"network": "eip155:84532"
},
"request_hash": "hex",
"response_hash": "hex",
"sig": "hex",
"ts": "2026-10-22T09:00:00Z",
"tx_hash": "0x..",
"v": 1
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"calendar": {
"description": "ISO country (US), country-subdivision (US-NY) or exchange (FIN-XNYS); default US",
"type": "string"
},
"date": {
"description": "YYYY-MM-DD; default today",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"days": {
"description": "Business days to add (op=add), integer, |days|<=1000",
"pattern": "^-?\\d{1,4}$",
"type": "string"
},
"end": {
"description": "End date for op=between",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"op": {
"description": "Operation; default check",
"enum": [
"check",
"add",
"between",
"list"
],
"type": "string"
},
"year": {
"description": "Year for op=list, 2025-2030",
"pattern": "^20(2[5-9]|30)$",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"description": "Business-day answer for the calendar: is_business_day / result date / count / holiday list, with coverage years",
"properties": {
"calendar": {
"type": "string"
},
"coverage": {
"items": {
"type": "string"
},
"type": "array"
},
"days": {
"type": "integer"
},
"holidays_skipped": {
"items": {
"type": "object"
},
"type": "array"
},
"op": {
"type": "string"
},
"provenance": {
"description": "Additive evidence block (sg-provenance/1): per-fact source, retrieval time, limits; no score or verdict. Full schema in OpenAPI.",
"type": "object"
},
"result": {
"type": "string"
},
"source": {
"type": "string"
},
"start": {
"type": "string"
},
"weekend_days": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"receipt": {
"description": "Ed25519-signed receipt; verify free at POST /v1/verify-receipt. New receipts also carry a signed `evidence` object.",
"properties": {
"evidence": {
"description": "Signed evidence (see llms.txt)",
"type": "object"
}
},
"required": [
"v",
"endpoint_id",
"ts",
"price",
"tx_hash",
"request_hash",
"response_hash",
"log_seq",
"sig"
],
"type": "object"
}
},
"required": [
"data",
"receipt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"docs": "https://api.stablecoingateways.com/openapi.json",
"params": {
"calendar": "US, US-NY, GB-ENG, DE-BY, FIN-XNYS ...",
"date": "YYYY-MM-DD",
"days": "for add",
"end": "for between",
"op": "check|add|between|list",
"year": "for list"
},
"price_usd": "0.001",
"receipts": "https://api.stablecoingateways.com/v1/verify-receipt",
"source": "python-holidays, MIT License, Copyright (c) Vacanza Team and individual contributors; Copyright (c) dr-prodigy 2017-2023; Copyright (c) ryanss 2014-2017 (https://github.com/vacanza/holidays)",
"status": "https://api.stablecoingateways.com/status",
"xrp_quote": {
"age_s": 0,
"available": true,
"margin_pct": 3,
"max_age_s": 900,
"note": "XRP amount = ceil(USD / quote x 1e6 x (1+margin)); bound into the invoice MAC",
"quoted_at": "2026-10-25T21:59:48.678Z",
"source": "xrpl:amm XRP/RLUSD (RLUSD=1 USD) ledger 107901973",
"state": "fresh",
"usd": "0.001",
"usd_per_xrp": 1.292165,
"xrp_drops": "798"
}
},
"lastUpdated": "2026-10-25T21:59:49.008Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-25T21:59:48.282Z"
},
"resource": "https://api.stablecoingateways.com/v1/business-days",
"serviceName": "Business Days and Holidays",
"tags": [
"business-days",
"holidays",
"calendar",
"dates",
"trading-days"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Business days and public holidays: check if a date is a business day, add or subtract N business days, count business days between dates, or list holidays, for 250 countries, 630 subdivisions (e.g. US-NY, GB-ENG) and 31 stock exchanges, 2025-2030. Use for payment due dates, T+N settlement, delivery estimates and SLAs. Data: python-holidays (MIT). Signed receipt."
}What the leaf hashes
{"body":"8eafe6f6b19768867f621f81a8f866e37cf87c12709c5fcf7fcb25523e87c7b9","id":69069,"kind":"listing","method":"baseline/1","observed_us":1793025477669952,"prev":null,"subject":"x402_bazaar:https://api.stablecoingateways.com/v1/business-days","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.