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API · /cryptovolatility-api

Crypto Volatility API

healthy 3,489 Subscribers

Live crypto realized (historical) volatility as an API, computed from Binance daily candles. For any coin it returns the annualized realized volatility over the 7-, 30- and 90-day windows — the standard deviation of daily log returns, annualized over 365 days — the average true range as a percent of price, the current price, and a plain-language regime label (low, normal, high or extreme). It can also rank a basket of major coins by their 30-day volatility, so you can see at a glance which assets are calm and which are wild. The volatility layer that options pricing, position sizing and risk dashboards need. Live, no key, no cache. Distinct from price, OHLC and drawdown APIs — this is the realized-volatility analytic.

#crypto #volatility #realized-volatility #risk #binance #trading #options
api.oanor.com/cryptovolatility-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
330 ms
Server probes · 24h
Subscribers
3,489
active
Total calls
24
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 7,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 7k calls/month
  • 5 req/sec
  • All endpoints
  • No credit card
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Starter

€14.00 /month

  • 100,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 100k calls/month
  • 15 req/sec
  • Email support
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Pro

€38.00 /month

  • 500,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 500k calls/month
  • 40 req/sec
  • Priority support
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Desk

€88.00 /month

  • 2,600,000 calls / month
  • 100 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.6M calls/month
  • 100 req/sec
  • Dedicated SLA
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Related APIs

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EXMO Exchange API

Live spot market data from EXMO, a European/CIS crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, best bid/ask and spread, 24h high/low/average and base/quote volume; rank every market for a quote currency by 24h turnover; list the tradable pairs with their base, quote and limits; or pull live order-book depth with the running spread. Markets are addressed BASE_QUOTE (BTC_UAH). This is the EXMO venue specifically — a distinct multi-fiat price feed that quotes against the Ukrainian hryvnia (UAH), Polish złoty (PLN), euro, Brazilian real and US dollar as well as USDT, ideal for UAH/PLN price discovery and Eastern-European-market arbitrage, separate from the USD/USDT-only exchange APIs in the catalogue.

api.oanor.com/exmo-api

Quidax Exchange API

Live spot market data from Quidax, a leading Nigerian crypto exchange, served straight from its public ticker feed — no key on the data, nothing cached, nothing stored. Look up any market for its last price, best bid/ask and spread, 24h open/high/low, 24h change and base/quote volume; rank every market for a quote currency (Nigerian naira NGN, USDT or USD) by 24h turnover; or list the tradable pairs with their base and quote. Markets are addressed as BTCNGN or BTC_NGN. This is the Quidax venue specifically — a distinct Nigerian-naira price feed for a high-adoption African market, ideal for NGN price discovery and Africa-market arbitrage, separate from the USD/USDT-quoted exchange APIs in the catalogue. Ticker-only: Quidax exposes no public order book, so the best bid/ask travel inside the ticker.

api.oanor.com/quidax-api

MAX Exchange API

Live spot market data from MAX (MaiCoin), Taiwan's leading crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, best bid/ask and spread, 24h open/high/low, 24h change and base/quote volume; rank every market for a quote currency (New Taiwan dollar TWD, USDT or BTC) by 24h turnover; list the tradable pairs with their base, quote and precision; or pull live order-book depth with the running spread. Markets are addressed as BTCTWD or BTC_TWD. This is the MAX venue specifically — a distinct New-Taiwan-dollar price feed, ideal for TWD price discovery and East-Asia-market arbitrage, separate from the USD/USDT-quoted exchange APIs in the catalogue.

api.oanor.com/max-api

CoinMate Exchange API

Live spot market data from CoinMate, a long-running European (Czech) crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, best bid/ask and spread, 24h open/high/low, 24h change and base/quote volume; rank every market for a quote currency (Czech koruna CZK, euro EUR, or BTC) by 24h turnover; list the tradable pairs with their base and quote; or pull live order-book depth with the running spread. Markets are addressed BASE_QUOTE (BTC_CZK). This is the CoinMate venue specifically — a distinct Czech-koruna and euro price feed, ideal for CZK/EUR price discovery and central-European-market arbitrage, separate from the USD/USDT-quoted exchange APIs in the catalogue.

api.oanor.com/coinmate-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Crypto Volatility API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Crypto Volatility API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Crypto Volatility 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 Crypto Volatility API cost?
Crypto Volatility API has a free tier with 100 calls / month. Paid plans start at €14.00 / 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 Crypto Volatility API GDPR-compliant?
All requests to Crypto Volatility 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/cryptovolatility-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/cryptovolatility-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/cryptovolatility-api/SOME_PATH");
curl_setopt($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/cryptovolatility-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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