API · /vwap-api

VWAP & Execution Benchmark API

healthy 3,544 Subscribers

Live VWAP (volume-weighted average price) and execution-benchmark analytics that trading desks and algos run to judge a fill, computed on demand from the OHLCV candles you pass in — no key, no cache, nothing stored. The vwap endpoint returns the session VWAP, its cumulative curve and where the last price sits relative to it (above, below or at VWAP), using the typical price (high+low+close)/3 weighted by volume. The anchored endpoint returns the VWAP measured from a chosen bar — an anchored VWAP from a swing high, a session open or a news event. The benchmark endpoint scores an execution price against both VWAP and TWAP (time-weighted average price): the slippage in basis points and whether the fill beat the benchmark, separately for a buy or a sell. Works for any market — forex, equities, crypto or commodities — because you supply the candles. This is an execution-analytics engine: it turns price and volume into the benchmark a trader's fill is measured against, distinct from indicator and pattern tools. Computed locally and deterministically, so it is instant and private. Ideal for execution-quality (TCA) reporting, algo-trading back-tests, broker fill analysis and trading dashboards. VWAP uses the typical price (H+L+C)/3. Live, nothing stored. 3 compute endpoints. For raw price feeds use an exchange or FX API.

api.oanor.com/vwap-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
88 ms
Server probes · 24h
Subscribers
3,544
active
Total calls
8
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 4,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,000 calls/month
  • 2 req/sec
  • VWAP + anchored VWAP + benchmark
  • No credit card
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Starter

€8.80 /month

  • 86,000 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 86,000 calls/month
  • 6 req/sec
  • Slippage in bps vs VWAP & TWAP
  • Email support
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Pro

€25.60 /month

  • 445,000 calls / month
  • 18 requests / second
  • Hard cap (429 above quota, no overage)
  • 445,000 calls/month
  • 18 req/sec
  • Algo back-tests & TCA pipelines
  • Priority support
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Business

€61.50 /month

  • 2,700,000 calls / month
  • 45 requests / second
  • Hard cap (429 above quota, no overage)
  • 2,700,000 calls/month
  • 45 req/sec
  • Desk & broker scale
  • Dedicated SLA
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Built by

Related APIs

Other APIs with overlapping tags.

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

BitoPro Exchange API

Live market data from BitoPro, Taiwan's largest regulated retail crypto exchange, straight from its public v3 REST API. This is the single-venue New-Taiwan-Dollar (TWD) order-flow view. The ticker endpoint returns the last price, 24h change, 24h high/low and 24h base volume for any listed pair (BTC_TWD, ETH_TWD, USDT_TWD …), or every pair at once ranked by volume. The orderbook endpoint returns the live aggregated bid/ask depth with per-level price, size and order count, plus the resulting best bid/ask and spread. The trades endpoint returns the most recent executed trades with price, amount, side and time. The pairs endpoint lists every tradable market with its base/quote, precision and order limits, and which markets are in maintenance. Together they answer "what does BTC cost in New Taiwan Dollars on BitoPro right now, how deep is the book, and what just traded" — a single-venue TWD-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/bitopro-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for VWAP & Execution Benchmark API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call VWAP & Execution Benchmark API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for VWAP & Execution Benchmark 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 VWAP & Execution Benchmark API cost?
VWAP & Execution Benchmark API has a free tier with 100 calls / month. Paid plans start at €8.80 / 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 VWAP & Execution Benchmark API GDPR-compliant?
All requests to VWAP & Execution Benchmark 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/vwap-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/vwap-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/vwap-api/SOME_PATH");
curl_setopt($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/vwap-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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