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API · /futures-api

Index & Treasury Futures API

healthy 4,009 Subscribers

Live financial futures as an API — front-month prices for the major US index and Treasury futures, served from Yahoo Finance. For any contract it returns the current price, the previous close, the absolute and percentage change on the day, the day's high and low, the 52-week high and low, the contract month and the currency. Index futures (E-mini S&P 500, Nasdaq-100, Dow, Russell 2000) trade nearly around the clock and are the market's go-to read on where the open is heading; Treasury futures (2-, 5-, 10- and 30-year notes and bonds) track interest-rate expectations. Look a contract up by name or ticker alias, pull a category board (index or rates) ranked by the day's move, or get the whole board in one call. The futures-quote layer for trading, pre-market and dashboard apps. Live, no key, no cache. Distinct from spot index APIs and from the physical-commodity futures API — this is financial (index and rate) futures.

#futures #index-futures #treasury-futures #sp500 #markets #pre-market #trading #finance
api.oanor.com/futures-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
212 ms
Server probes · 24h
Subscribers
4,009
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

€11.00 /month

  • 115,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 115k calls/month
  • 15 req/sec
  • Email support
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Pro

€28.00 /month

  • 620,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 620k calls/month
  • 40 req/sec
  • Priority support
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Desk

€64.00 /month

  • 3,100,000 calls / month
  • 100 requests / second
  • Hard cap (429 above quota, no overage)
  • 3.1M calls/month
  • 100 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Crypto Derivatives Exchanges API

Live ranking and directory of crypto derivatives venues — the platforms that run perpetual and futures markets — served from the public CoinGecko feed with no key and nothing cached. This is a venue-level view of the derivatives market, distinct from spot-exchange directories, per-contract open-interest feeds and single-exchange tickers: it ranks the derivatives platforms themselves. The exchanges endpoint returns the venues ranked by open interest (or by 24-hour volume), each with its open interest in BTC, 24-hour derivatives volume in BTC, the number of perpetual and futures pairs it lists, its country and the year it was established — so one call tells you who the biggest derivatives venues are and how concentrated open interest is. The exchange endpoint returns a single venue's full profile by id. The list endpoint returns every derivatives-exchange id and name for lookup and autocomplete. Everything is read live from CoinGecko on each request, nothing stored beyond a short protective cache. Ideal for derivatives dashboards, open-interest and market-structure analytics, venue comparison and trading tools. Live, no key. 3 endpoints. For per-contract funding and open-interest history use a derivatives or open-interest API.

api.oanor.com/derivativesexchanges-api

Bybit API

Live derivatives and spot market data from Bybit, one of the largest crypto-derivatives exchanges, straight from its public v5 API. Built for perpetual swaps: the ticker returns a contract's last, mark and index price together, the 24-hour change, high, low, volume and turnover, the live open interest in contracts and in USD, and the current funding rate with the next funding time — a whole perp in one call. The funding endpoint returns the historical funding-rate series, the recurring payments that anchor a perp to spot. The openinterest endpoint returns the open-interest time series, the best gauge of leverage building or unwinding. The kline endpoint returns OHLCV candles at any interval. Linear (USDT) perps, inverse (coin) perps and spot are all reachable via the category parameter. Live, no key, nothing stored. Distinct from Coinbase, Bitstamp, OKX, Gate.io, Bitfinex and Gemini venue APIs and from aggregated derivatives feeds — this is Bybit's own ticker, funding history, open interest and candles. Perfect for trading, charting, derivatives-analytics and risk apps.

api.oanor.com/bybit-api

Crypto Derivatives API

Live cross-exchange perpetual-futures market data — no key, nothing cached. Where single-exchange APIs show one venue, this compares the whole derivatives market across every exchange at once. The contract endpoint takes a symbol (BTCUSDT, ETHUSD) and returns that contract on every exchange that lists it — the mark price, the funding rate, the basis, the open interest and the 24-hour volume on Binance, Bybit, OKX, MEXC, Hyperliquid and the rest side by side, so you can instantly see where funding is richest and where the open interest sits (BTCUSDT trades on dozens of venues with billions in open interest each). The exchanges endpoint is the derivatives-exchange league table, ranked by open interest in BTC, with each venue's 24-hour volume and number of perpetual and futures pairs. The top endpoint surfaces the largest contracts market-wide by open interest or by volume. This is the cross-exchange derivatives layer for any trading, funding-arbitrage, risk or analytics app. Live from CoinGecko, nothing stored. Distinct from single-exchange funding and open-interest APIs — this is the whole perpetual-futures market across exchanges. 4 endpoints.

api.oanor.com/derivatives-api

Commitments of Traders API

Live Commitments of Traders (COT) futures-positioning data, served straight from the US CFTC's public reporting API — no key, nothing cached. Every Friday the Commodity Futures Trading Commission publishes who is positioned how in every major futures market — currencies, stock indices, energy, metals, grains — and traders watch it closely as a sentiment and crowding signal. The report endpoint takes a market name (Euro FX, Gold, Crude Oil, S&P 500, Bitcoin) and returns the latest weekly report: how many long and short contracts are held by commercials (the hedgers), by non-commercials (the large speculators) and by small non-reportable traders, the net position of each group, the total open interest, each group's share of open interest, the week-over-week change and the number of traders — Gold shows commercials net short while large speculators run net long. The markets endpoint searches the hundreds of reported markets so you can find the exact name. The history endpoint returns the weekly path of positioning for a market. This is the positioning-and-sentiment layer for any futures, forex, commodity or macro trading app. Live from the CFTC, nothing stored. Distinct from price and open-interest APIs — this is who is long and short, by trader category. 4 endpoints.

api.oanor.com/cot-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

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

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