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Monthly apartment trade count, median price and median price per m2 for one Korean district (or one complex) over recent months, from the MOLIT real-transaction register.

Is a date a Korean business day? Weekday, weekend flag, and official Korean public holiday names (including substitute and temporary holidays) from the KASI special-day list.

Won exchange rate for one currency on a date: KEXIM deal basis rate plus TTB and TTS, with the official date and source.

Korean business days: the date N business days after (or before) a date, skipping weekends and official Korean public holidays including substitute and temporary holidays (KASI list). Lists the holidays skipped.

Count Korean business days between two dates (after from, up to and including to), excluding weekends and official Korean public holidays, with the holidays in range.

Normalise a Korean address: official road-name and lot-number forms, 5-digit postal code, English address, building name and codes, from the Ministry of the Interior road-name address API. Accepts partial Korean addresses (road plus number, or district plus building).

Find a listed Korean company by Korean or English name, or by stock code: DART corp_code, Korean and English names and stock code, with candidates when the name is ambiguous.

Korean crypto exchange risk events from Upbit and Bithumb as structured English events: trading warning or caution designations and releases, delistings with effective time, deposit or withdrawal suspensions and resumptions per network, network upgrades and new listings. Filter by ticker, exchange, type and time.

Current Korean exchange risk status for one coin on Upbit and Bithumb: warning and caution flags, pending delisting with its date, and suspended deposit or withdrawal networks. Check before trading or routing a transfer to a Korean exchange.

Romanise a Korean name every way it is spelled in practice: Revised Romanization, McCune-Reischauer, Yale, North Korean forms and common passport spellings (Lee/Yi/Rhee, Park/Pak, Choi/Choe), with hyphen and spacing variants; or map a romanised name back to Hangul candidates.

Latest Korean export period vs the prior month and prior year at the same stage, with each major item's contribution, from Korea Customs Service statistics.

Convert a Korean Hancom document (HWP 5.x or HWPX) at a URL to Markdown with tables preserved, including merged cells as HTML, text boxes, footnotes and distributable (배포용) documents. Typical sources: Korean government press releases, notices and law annexes. Encrypted or DRM files are reported, not converted.

Corrections and withdrawals filed on OpenDART by one Korean company since a date, each linked to the original filing with the changed terms (before and after).

Korean law article lookup: the official text of one article of a Korean statute by law name (Korean, common abbreviation or English) and article number, from the National Law Information Center.

Korean business registration number check (KYB): is a Korean company active, suspended or closed, and its VAT taxpayer type, live from the National Tax Service. Malformed numbers are rejected by check digit without an upstream call. Results are not stored.

Cursor feed of Korean exchange risk flag changes: a token listed or delisted on Upbit or Bithumb KRW markets, or its warning or caution flag set or cleared, detected from 5-minute snapshots. Poll with next_cursor from the previous response to receive only newer changes; without since it returns the last 24 hours.

Korean stock corporate-action adjustment factors, survivorship-free (KOSPI and KOSDAQ, including delisted companies): stock splits, reverse splits, bonus issues, rights offerings, capital reductions and stock dividends with ex-date, ratio and the cumulative factor, each citing its OpenDART filing. Factors only, no prices.

Delisted KOSPI and KOSDAQ stocks by delisting or last trading date, for survivorship-bias-free backtests and universe construction: stock code, name, dates and the DART filing behind each delisting.

One call: is this token safe to trade or route to a Korean exchange right now? Returns GREEN, AMBER or RED with reasons from Upbit and Bithumb KRW listing, warning and caution flags, Binance spot listing and 24h move, kimchi premium, spread and optional slippage. Accepts a ticker or Korean name. Rules are echoed; human review is always required, not investment advice.