{"uid":"cap_i8sB6aCE2R0QL6bq17WA-","slug":"time-iso-week-14102a75","name":"time-iso-week","description":"Pay-per-call tools for AI agents: web search + content, documents, live market data, and multi-chain wallet/gas reads. Mainnet test from $0.000001 USDC on Base. Pay-per-call tools for AI agents in USDC on Base (x402/MPP): search, pdf, web-read, extract, summarize, fact-check, translate, jobs, discover. See GET /capabilities.","url":"https://x402.agentindex.world/time/iso-week?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"date":{"type":"string","title":"Date"}}},"responseSchema":{"type":"json","example":{"iso_week":1,"iso_year":2026,"iso_weekday":7}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__LgTADU7_jb4dWOXACKqT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the ISO week number, ISO year, and ISO weekday for a given date","exampleAgentPrompt":"What ISO week number and weekday does January 5, 2026 fall on?","exampleUseCases":[{"title":"Sprint planning week number lookup","prompt":"We start our sprint on January 12, 2026 — what ISO week number and ISO year does that date fall in?"},{"title":"Year-end reporting boundary check","prompt":"I need to know the ISO week number for December 31, 2025 — does it count as week 1 of 2026 or the last week of 2025?"},{"title":"Weekday confirmation for a scheduled task","prompt":"Can you tell me the ISO weekday number for March 15, 2026 so I know if it's a Monday, Wednesday, or what?"}],"resultDescription":"A JSON object containing three fields: iso_week (integer, 1–53), iso_year (integer, which may differ from the calendar year near year boundaries), and iso_weekday (integer, 1=Monday through 7=Sunday), following the ISO 8601 week-date standard.","failureModes":["Missing or malformed date string returns an error or unexpected result","Dates near year boundaries may return an iso_year different from the calendar year, which can surprise callers","No date provided defaults to current date or returns an error depending on implementation"],"whenToPreferThis":"Use this endpoint when you need standards-compliant ISO 8601 week numbering, especially for business reporting, sprint planning, payroll cycles, or any system that requires week numbers rather than just day/month — particularly when year-boundary edge cases matter (e.g. Dec 29–31 may belong to ISO week 1 of the following year).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T06:42:47.032Z","isFirstParty":false,"canonicalSlug":"time-iso-week-14102a75"}