ISO 8601 week number and week-year for a date (2021-01-03 is 2020-W53), reverse
ISO 8601 week number and week-year for a date (2021-01-03 is 2020-W53), reverse lookup and sprint numbering.
Answers HTTP 429 without x402 payment termsour last check, 2026-10-21
0 of 1checks answered this week
n/amedian answer time
$0.02listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://work-time-calc.x402tookit.com/iso-week
| Category | Everything else |
|---|---|
| Provider host | work-time-calc.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | no x402 terms | 429 | 321 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"date": "2021-01-03",
"sprintStart": "2020-12-14",
"sprintWeeks": 2
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"date": {
"description": "Date YYYY-MM-DD (give this, or weekYear with week)",
"type": "string"
},
"sprintStart": {
"description": "With date: first day of sprint 1, YYYY-MM-DD",
"type": "string"
},
"sprintWeeks": {
"description": "Sprint length in weeks, 1 to 8 (default 2)",
"type": "integer"
},
"week": {
"description": "ISO week 1 to 53 for the reverse lookup",
"type": "integer"
},
"weekYear": {
"description": "ISO week-year for the reverse lookup, 1 to 9998",
"type": "integer"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"calendarYear": {
"type": [
"null",
"number"
]
},
"dayOfYear": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"isoWeekDate": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sprint": {
"properties": {
"beforeSprintOne": {
"type": [
"boolean",
"null"
]
},
"dayOfSprint": {
"type": [
"null",
"number"
]
},
"end": {
"type": [
"null",
"string"
]
},
"lengthDays": {
"type": [
"null",
"number"
]
},
"number": {
"type": [
"null",
"number"
]
},
"start": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"week": {
"type": [
"null",
"number"
]
},
"weekMonday": {
"type": [
"null",
"string"
]
},
"weekSunday": {
"type": [
"null",
"string"
]
},
"weekYear": {
"type": [
"null",
"number"
]
},
"weekYearDiffersFromYear": {
"type": [
"boolean",
"null"
]
},
"weekday": {
"type": [
"null",
"number"
]
},
"weekdayName": {
"type": [
"null",
"string"
]
},
"weeksInWeekYear": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}