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API · /gemini-api

Gemini Exchange API

healthy 3,616 Subscribers

Live market data from Gemini, the US-regulated crypto exchange founded by the Winklevoss twins, served straight from its public API — no key, nothing cached. The ticker endpoint returns a pair's snapshot — open, high, low and last price, best bid and ask, and the 24-hour percentage change — plus Gemini's distinctive hourly_changes array, the last 24 hourly prices, which lets you draw an intraday sparkline from a single call. The prices endpoint returns every Gemini pair in one call with its price and 24-hour change — the whole board at once. The orderbook endpoint returns the top of the order book with the spread. The trades endpoint returns the live trade tape, the most recent executed trades with price, amount, side and time. Everything is Gemini's live venue data from a regulated US exchange, nothing stored. This is the Gemini price, intraday-history and tape layer for any trading, charting or market-data app. Distinct from Coinbase, Bitstamp, OKX, Gate.io and Kraken venue APIs and from aggregated feeds — this is Gemini's own order book, tape and hourly price history. 4 endpoints, no key on our side, real-time.

#gemini #crypto #exchange #ticker #orderbook #trades #market-data #regulated
api.oanor.com/gemini-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
297 ms
Server probes · 24h
Subscribers
3,616
active
Total calls
20
last 7 days
status Full status page → · 15 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 5,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 5,000 calls/month
  • 5 req/sec
  • Ticker, prices, order book
  • No credit card
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Starter

€11.00 /month

  • 122,000 calls / month
  • 12 requests / second
  • Hard cap (429 above quota, no overage)
  • 122,000 calls/month
  • 12 req/sec
  • Hourly price history + trade tape
  • Email support
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Pro

€31.00 /month

  • 760,000 calls / month
  • 30 requests / second
  • Hard cap (429 above quota, no overage)
  • 760,000 calls/month
  • 30 req/sec
  • Trading & charting pipelines
  • Priority support
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Mega

€72.00 /month

  • 4,100,000 calls / month
  • 80 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,100,000 calls/month
  • 80 req/sec
  • Desk & platform scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

BingX Exchange API

Live spot market data from BingX, a global crypto exchange, served straight from its public spot API with no key and nothing cached. The ticker endpoint returns a market's last price, open, 24-hour high and low, 24-hour change, best bid and ask and base and quote volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour quote volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their order-size and notional limits and tick/step size. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from BingX on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Markets are written BASE-QUOTE; BTC_USDT is also accepted. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/bingx-api

DigiFinex Exchange API

Live spot market data from DigiFinex, a global crypto exchange, served straight from its public v3 API with no key and nothing cached. The ticker endpoint returns a market's last price, best bid and ask, 24-hour high and low, 24-hour change and base and quote volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour quote volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their price and volume precision and minimum order size. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from DigiFinex on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/digifinex-api

AscendEX Exchange API

Live spot market data from AscendEX (formerly BitMax), a global crypto exchange, served straight from its public API with no key and nothing cached. The ticker endpoint returns a market's last price, open, 24-hour high and low, 24-hour change, best bid and ask and volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their tick and lot size and minimum and maximum notional. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from AscendEX on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Markets are written BASE/QUOTE; BTC_USDT is also accepted. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/ascendex-api

XT Exchange API

Live spot market data from XT.com, a global crypto exchange, served straight from its public v4 API with no key and nothing cached. The ticker endpoint returns a market's last price, open, 24-hour high and low, 24-hour change and base and quote volume. The tickers endpoint returns every spot market for a quote currency ranked by 24-hour quote volume, so one call surfaces the most-traded pairs on the venue. The markets endpoint lists the tradable pairs with their price and quantity precision and trading state. The book endpoint returns live order-book depth — every bid and ask level with price and amount, plus the best bid/ask and the spread. Everything is read live from XT on each request, nothing stored. A distinct global venue, separate from the other exchange feeds on the marketplace. Ideal for trading bots, price tickers, arbitrage scanners, portfolio trackers and market dashboards. Live, no key. 4 spot endpoints. For candles or perpetuals use an OHLC or derivatives API.

api.oanor.com/xt-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Gemini Exchange API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Gemini Exchange API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Gemini Exchange 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 Gemini Exchange API cost?
Gemini Exchange API has a free tier with 100 calls / month. Paid plans start at €11.00 / 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 Gemini Exchange API GDPR-compliant?
All requests to Gemini Exchange 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/gemini-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/gemini-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/gemini-api/SOME_PATH");
curl_setopt($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/gemini-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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