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DeepSearch Korean Stock Intelligence API — 3-Year Daily Price History
x402
DeepSearch Korean Stock Intelligence API — 3-Year Daily Price History is a paid API for AI agents from x402.deepsearch.com, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-12).
Returns up to 3 years of daily closing price history (date, close, changePercent) for a given KRX or US-listed stock ticker, paid per-query with USDC on Base Mainnet.
Price / call$0.25
Success—
StatusUnknown
How this service works
Up to 10 years of financials + 3 years of daily price history for all 2,000+ KRX stocks. Pay-per-query with USDC on Base Mainnet — no subscription.
Output
A JSON object containing the ticker symbol, a '3y' period label, the total count of trading day data points (up to ~780), and an array of daily records each with a date, closing price (in KRW), and percentage change from the prior close.
Example use cases
Example prompt
“Can you pull the 3-year daily closing price history for Samsung Electronics (KRX ticker 005930) from DeepSearch so I can see how the stock has trended?”
Technical details
Endpoint
GEThttps://x402.deepsearch.com/v1/context/stock/%7Bticker%7D/3yWhen to prefer
Choose this endpoint when you need granular daily price history spanning up to 3 years for any of the 2,000+ KRX-listed stocks, and prefer a pay-per-query model (no subscription) using USDC on Base. Ideal for agents doing trend analysis, backtesting, or charting Korean equities without a recurring data feed commitment.
Side effects
- Invalid or non-existent ticker returns an error or empty dataset
- Ticker format incorrect (must be 6-digit KRX code or valid US symbol) causes a 400-class error
- Payment failure or insufficient USDC balance on Base Mainnet causes a 402 Payment Required response
- Unsupported exchange code causes a lookup failure
- Rate limiting or network timeout returns a 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 780,
"period": "3y",
"ticker": "005930",
"dataPoints": [
{
"date": "2026-05-28",
"close": 299500,
"changePercent": -2.44
}
]
}
}Tags
x402
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