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API · /cryptoarbitrage-api

Crypto Arbitrage API

healthy 3,501 Subscribers

Live crypto cross-exchange price comparison and arbitrage spread — the spot price of a coin on the major centralised exchanges at once, served straight from each exchange's public ticker. For any base coin it fetches the spot price from Binance, OKX, Bybit, KuCoin and Coinbase in parallel, returns the per-exchange price table, identifies the cheapest venue to buy and the most expensive to sell, and computes the spread between them — absolute and percentage — the headline cross-exchange arbitrage gap. Get the full price table, the best buy/sell opportunity, or the list of exchanges. Live, no key, no cache. Quotes are USDT (Binance/OKX/Bybit/KuCoin) or USD (Coinbase), within a few basis points. A price-discovery and arbitrage layer for trading, analytics and dashboard apps. Distinct from single-exchange price and OHLC APIs — this is the cross-exchange arbitrage view.

#crypto #arbitrage #exchange #spot-price #binance #coinbase #trading #price-comparison
api.oanor.com/cryptoarbitrage-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
304 ms
Server probes · 24h
Subscribers
3,501
active
Total calls
24
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 8,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 8k calls/month
  • 5 req/sec
  • All endpoints
  • No credit card
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Starter

€12.00 /month

  • 110,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 110k calls/month
  • 15 req/sec
  • Email support
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Pro

€34.00 /month

  • 550,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 550k calls/month
  • 40 req/sec
  • Priority support
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Desk

€82.00 /month

  • 2,800,000 calls / month
  • 100 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.8M calls/month
  • 100 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

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

LBank Exchange API

Live spot market data from LBank, a global crypto exchange, served straight from its public v2 API with no key and nothing cached. The ticker endpoint returns a market's last price, 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 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 LBank 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/lbank-api

BitMart Exchange API

Live spot market data from BitMart, 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, the spread 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 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 spread. Everything is read live from BitMart 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/bitmart-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Crypto Arbitrage API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Crypto Arbitrage API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Crypto Arbitrage 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 Arbitrage API cost?
Crypto Arbitrage API has a free tier with 100 calls / month. Paid plans start at €12.00 / 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 Arbitrage API GDPR-compliant?
All requests to Crypto Arbitrage 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/cryptoarbitrage-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/cryptoarbitrage-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/cryptoarbitrage-api/SOME_PATH");
curl_setopt($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/cryptoarbitrage-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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