{"uid":"cap_K7BaXYR1L_tqvbD-bwgoL","slug":"korean-business-day-calendar-add-n-business-days-53222b02","name":"Korean Business Day Calendar – Add N Business Days","description":"Pay-per-call Korean company due diligence, company ID crosswalk, sanctions screening with Korean name variants, Upbit/Bithumb risk events, HWP to Markdown, business status, business-day calendar, address normalisation, law, rates, filings and more. No account or API key: pay each call in USDC on Base via x402.","url":"https://x402.pokt-agent.com/kr-calendar/add?utm_source=zero.xyz","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","required":["date","n"],"properties":{"n":{"type":"string","description":"integer, negative for earlier"},"date":{"type":"string","description":"YYYY-MM-DD"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"n":1,"start":"2026-09-23","result":"2026-09-28","holidays_skipped":["2026-09-24 추석","2026-09-25 추석","2026-09-26 추석"]}},"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_R_bJuF0m5do5OhhhovnMJ","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":"Given a start date and an integer offset, returns the Korean business calendar date N working days later (or earlier), skipping Korean public holidays.","exampleAgentPrompt":"What Korean business date is 5 working days after 2026-09-23? Use the Korean holiday calendar to skip any public holidays.","exampleUseCases":[{"title":"Contract payment due date","prompt":"Our Korean supplier contract says payment is due 10 Korean business days after September 23 2026 — what's the actual calendar date, accounting for Chuseok and any other public holidays?"},{"title":"Settlement date for Korean securities trade","prompt":"I need the Korean business day that is 2 working days after 2025-01-29 for a T+2 securities settlement — make sure to skip any Korean public holidays."},{"title":"Deadline back-calculation for legal filing","prompt":"A Korean regulatory deadline is 3 business days before 2026-10-05. What date does that land on once Korean holidays are factored out?"}],"resultDescription":"A JSON object containing: the requested offset n, the start date, the computed result date (YYYY-MM-DD), and an array of holidays_skipped listing any Korean public holidays (with Korean names) that were bypassed in the calculation.","failureModes":["Missing required query parameter 'date' or 'n' returns a validation error","Malformed date format (not YYYY-MM-DD) causes a parse error","Non-integer value for n causes a validation error","Payment failure via x402/USDC results in 402 response and no data returned","Dates far in the future may not have holiday data populated, returning incomplete results"],"whenToPreferThis":"Use this endpoint when you need to compute a future or past Korean business date relative to a given start date, specifically accounting for Korean public holidays (e.g. Chuseok, Seollal, national holidays). Prefer this over generic business-day calculators when Korean holiday accuracy is critical — e.g. for Korean legal deadlines, financial settlement dates, or supplier contract terms. It requires no API key and charges $0.005 USDC per call via the x402 protocol on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:43:42.106Z","isFirstParty":false,"canonicalSlug":"korean-business-day-calendar-add-n-business-days-53222b02"}