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API · /stockhistory-api

Stock Price History (OHLC) API

healthy 4,315 Subscribers

Live historical daily prices (OHLC) for US stocks from Nasdaq — no key, nothing stored. The price-history-and-charting view of a stock: the daily open, high, low, close and volume going back months or years, distinct from the live-quote, movers, earnings and analyst APIs in the catalogue. The history endpoint returns the daily OHLC time series over a chosen range — 1 month to 5 years, or explicit from/to dates — ready to plot or backtest. The stats endpoint computes the period statistics from that series: the period high and low, the latest close, the total return over the period, the average daily volume and the annualised volatility (from daily log returns). Build charting widgets, backtesting tools, technical-analysis pipelines, performance trackers and risk models on top of real Nasdaq price history. Look up any US stock by its ticker (symbol=AAPL) and a range (1m, 3m, 6m, 1y, 2y, 5y) or explicit from=YYYY-MM-DD and to=YYYY-MM-DD; prices and volumes are returned as clean numbers.

#trading #stocks #ohlc #history #charting #backtesting #equities #finance
api.oanor.com/stockhistory-api
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Machine-readable spec so AI agents can integrate this API.

/api/stockhistory-api/openapi.json
/api/stockhistory-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
240 ms
Server probes · 24h
Subscribers
4,315
active
Total calls
0
last 7 days
status Full status page → · 3 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 12,200 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 12.2k calls/month
  • 3 req/sec
  • All endpoints
  • No credit card
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Starter

€8.25 /month

  • 188,000 calls / month
  • 10 requests / second
  • Hard cap (429 above quota, no overage)
  • 188k calls/month
  • 10 req/sec
  • Email support
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Pro

€24.90 /month

  • 795,000 calls / month
  • 28 requests / second
  • Hard cap (429 above quota, no overage)
  • 795k calls/month
  • 28 req/sec
  • Priority support
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Scale

€56.30 /month

  • 2,840,000 calls / month
  • 60 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.84M calls/month
  • 60 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Put/Call Ratio & Options Sentiment API

Live (15-minute delayed) options put/call sentiment analytics for US stocks and indices, computed from CBOE's public delayed-quotes feed. The ratio endpoint aggregates the entire option chain into the headline sentiment gauges — the put/call ratio by volume and by open interest, the total put and call volume and open interest, the contract counts, and the underlying price with its 30-day implied volatility (IV30) — plus a plain-language sentiment lean. The expiries endpoint breaks the put/call ratio down by expiration date, giving the term structure of sentiment. The strikes endpoint maps call-versus-put volume and open interest across strikes for an expiration, showing where positioning sits. This is the computed options-sentiment and positioning view — ratios and skew, not a contract dump — distinct from the raw options-chain, the volatility-index and the options-pricing calculators in the catalogue. US index options use an underscore-prefixed symbol (_SPX, _VIX); a ratio above 1 means more puts than calls (defensive/bearish lean). Live, no key on the upstream, nothing stored.

api.oanor.com/putcallratio-api

Intraday Stock Candles API

Live intraday and historical OHLCV candles for stocks, indices, ETFs, crypto and FX, served from Yahoo Finance's public chart feed. The candles endpoint returns regular-session bars — open, high, low, close and volume — at a chosen interval (1m, 2m, 5m, 15m, 30m, 60m, 90m, 1h, 1d, 1wk, 1mo) over a range, each bar timestamped. The extended endpoint returns the pre-market and after-hours (extended-hours) bars, each labelled with its session. The latest endpoint returns an intraday snapshot — current price, day change and percent, the day open/high/low and volume, the 52-week range and the most recent bar. Symbols follow Yahoo conventions: US tickers (AAPL, MSFT), indices (^GSPC, ^IXIC), crypto (BTC-USD) and FX (EURUSD=X). This is the intraday candlestick / OHLCV view — per-minute to hourly bars plus extended hours — distinct from the daily price-history, the live-quote and the FX/rate APIs in the catalogue. Live, no key on the upstream, nothing stored.

api.oanor.com/intraday-api

Stock Options Chain API

Live (15-minute delayed) US equity and index options chains, served from CBOE's public delayed-quotes feed. For any optionable ticker the summary endpoint returns the underlying quote — current price, day change, open/high/low/close, volume, bid/ask and the 30-day implied volatility (IV30) with its change. The expirations endpoint lists every available expiration date with its call and put contract counts. The chain endpoint returns the option contracts themselves: for each strike and expiry it gives the call/put bid, ask, last, implied volatility, open interest, volume and the full greeks — delta, gamma, theta and vega — and can be filtered by expiration date and by call or put. US index options are addressed with an underscore prefix (_SPX, _VIX). This is the single-name equity and index options surface — strikes, expiries, IV and greeks — distinct from the options-pricing calculators, the crypto-options and the FX/rate APIs in the catalogue. Live, no key on the upstream, nothing stored.

api.oanor.com/optionschain-api

Coincheck Exchange API

Live market data from Coincheck, one of Japan's largest retail crypto exchanges (Monex Group), straight from its public REST API. This is the single-venue Japanese-Yen (JPY) view. The ticker endpoint returns the live BTC/JPY summary — last price, bid, ask, 24h high/low and 24h volume. The orderbook endpoint returns the live BTC/JPY bid/ask depth with per-level price and size, plus the best bid/ask and the resulting spread. The trades endpoint returns the most recent executed trades for any listed pair, with price, amount, side and time. The rate endpoint returns the current Japanese-Yen price of any listed coin (BTC, ETH, XRP, ETC …). Together they answer "what does crypto cost in Japanese Yen on Coincheck right now, how deep is the BTC book, and what just traded" — a single-venue JPY-denominated exchange view, distinct from the aggregated cross-exchange market, whole-market overview and other regional exchange APIs in the catalogue. Live, no key on the upstream, nothing stored.

api.oanor.com/coincheck-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Stock Price History (OHLC) API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Stock Price History (OHLC) API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Stock Price History (OHLC) API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Stock Price History (OHLC) API cost?
Stock Price History (OHLC) API has a free tier with 100 calls / month. Paid plans start at €8.25 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Stock Price History (OHLC) API GDPR-compliant?
All requests to Stock Price History (OHLC) API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/stockhistory-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/stockhistory-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/stockhistory-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/stockhistory-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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