{"uid":"cap__4UqGNvKdOjU7V9ntD4E6","slug":"japanese-business-day-calculator-b53e7af7","name":"Japanese Business Day Calculator","description":"Calendar and Japan data APIs for AI agents: worldwide holidays and business days (200+ countries), plus Japanese text-to-structure (address, name, bank, company normalization). Pay per call in USDC via x402, no API key.","url":"https://x402-ja-api.onrender.com/v1/jp/business-day","method":"GET","headers":{},"bodySchema":{"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","properties":{"add":{"type":"integer","default":0,"maximum":2000,"minimum":-2000,"description":"Business days to add (negative = go back)"},"date":{"type":"string","format":"date","description":"Base date YYYY-MM-DD (default: today in JST)"},"calendar":{"enum":["standard","bank"],"type":"string","default":"standard","description":"standard = Sat/Sun/public holidays closed; bank = also Dec 31-Jan 3 (Japanese bank holidays)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"add":1,"date":"2026-09-18","result":"2026-09-24","weekday":"Friday","calendar":"bank","isHoliday":false,"isWeekend":false,"holidayName":null,"isBusinessDay":true,"nextBusinessDay":"2026-09-24","previousBusinessDay":"2026-09-17","lastBusinessDayOfMonth":"2026-09-30"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UyfPjrVUgi2KYSdqeYLtq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates Japanese business days by checking if a date is a business day and optionally adding/subtracting business days, supporting both standard and bank holiday calendars.","exampleAgentPrompt":"Is September 18, 2026 a business day in Japan under the bank calendar, and what date is 1 bank business day after it?","exampleUseCases":[{"title":"Payment deadline date calculation","prompt":"I need to schedule a Japanese bank transfer — what is 3 bank business days after October 31, 2026? Use the bank calendar."},{"title":"Invoice due date verification","prompt":"My Japanese supplier says the invoice is due on January 4, 2027 — is that actually a business day under the standard calendar, or do I need to adjust?"},{"title":"Month-end closing date lookup","prompt":"What's the last standard business day of March 2027 in Japan? I need to set our books-close deadline."}],"resultDescription":"A JSON object with the resolved result date, the weekday name, whether the date is a business day/holiday/weekend, the holiday name if applicable, the next and previous business days, and the last business day of that month — all computed against either the standard (Sat/Sun + public holidays) or bank (adds Dec 31–Jan 3) Japanese calendar.","failureModes":["Invalid date format (not YYYY-MM-DD) returns a 400 error","Offset value outside -2000 to 2000 range rejected","Unknown calendar enum value rejected","Payment not provided or rejected returns HTTP 402","Service unavailable (cold start on Render free tier) causes timeout"],"whenToPreferThis":"Choose this endpoint when you need Japan-specific business day logic, including Japanese public holidays and optionally Japanese bank holiday periods (Dec 31–Jan 3). Prefer over generic business-day libraries when accuracy against the official Japanese holiday calendar matters, especially for financial, banking, or legal date calculations denominated in JPY or governed by Japanese law.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:56:49.942Z","isFirstParty":false}