api.skipperlabs.ai — Seoul · New York

The definitive source for Korean stock market data.

Prices, DART financials, English disclosures, investor flows, and screening for every company listed on KOSPI and KOSDAQ — one clean REST API that drops straight into your existing data pipeline.

Read the API reference Browse the data catalog

4,300+

Listed securities

REST endpoints

KOSPI · KOSDAQ · KONEX

Markets covered

Full English coverage

What the data looks like

Daily prices with actual volume-weighted averages, market capitalization, and investor flows — sourced from KRX and Korea Investment & Securities, updated every trading day.

GET /api/v1/screener?peLowerThan=10&roeMoreThan=10 — sample rows
Company	Symbol	Close (KRW)	Chg %	P/E	P/B	ROE %	Foreign net-buy streak
Kia기아	000270	112,300	+1.26	7.84	0.97	12.35	2 days
Kumho Tire금호타이어	073240	6,410	-0.31	3.92	0.67	18.46	1 day
LX SemiconLX세미콘	108320	68,900	+0.88	7.72	0.57	12.09	3 days
SNT MotivSNT모티브	064960	44,150	+0.45	9.07	0.62	10.60	0 days

Data catalog

Company & pricesKRX · KOSCOM

Company profiles with 52-week ranges and KRX status flags, symbol search in English and Korean, the full listed universe, and daily OHLCV bars with actual VWAP computed from traded value.

/profile
/search · /stock-list
/historical-price-full

FundamentalsDART · XBRL

Income statements, balance sheets, and cash flows from regulatory filings; financial ratios, dividend history, and business-segment breakdowns — Samsung's DX and DS divisions, line by line.

/income-statement
/balance-sheet-statement
/cash-flow-statement
/ratios · /dividends
/revenue-segments

English disclosuresDART → SEC-style

Every Korean corporate filing, translated to English with a summary and mapped to the closest SEC EDGAR form type — 10-K, 10-Q, 8-K, Reg-FD — with links back to the original filing.

/disclosures
/disclosures/{symbol}

Investor flows수급 · KRX classification

Daily net buying by foreign investors, institutions, pension funds, and thirteen more investor types. The first number Korean market participants check each day — and unavailable from any US vendor.

/investor-flows

Consensus & ownershipKorean sell-side · DART

Analyst target prices and ratings, three-year forward estimates with forward multiples, and largest-shareholder ownership tables for reading chaebol governance structures.

/price-target
/analyst-estimates
/shareholders

ETFs & screeningDaily snapshots

Korean ETF metadata with fees, tracking error, and full constituent holdings; a screener over twenty-plus pre-computed daily signals, including net-buying streaks and breakout detection.

/etf-info · /etf-holdings
/screener

One call to try it

# Samsung Electronics — profile with price snapshot and valuation
$ curl "https://api.skipperlabs.ai/api/v1/profile/005930?apikey=YOUR_KEY"

[{ "symbol": "005930", "companyName": "SamsungElectronics",
   "exchangeShortName": "KOSPI", "price": 318000,
   "marketCap": 1859823229176000, "range": "60200-374500",
   "pe": 46.86, "isActivelyTrading": true }]

Access

Authentication is a single API key, passed as a query parameter or header. Responses are predictable JSON with consistent field names across every endpoint — built to be parsed once and trusted in production.

For demo access or partnership inquiries, write to support@skipperlabs.ai.

Base URL https://api.skipperlabs.ai/api/v1
Auth       ?apikey= or X-API-Key header
Format     JSON
Currency KRW · as-traded KRX prices
Cadence    end-of-day