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API · /nasdaq-api

NASDAQ Listings API

healthy 3,613 Subscribers

The directory of every security listed on the NASDAQ stock market as an API — the reference a brokerage, stock screener or ticker-validation tool needs to confirm a symbol is NASDAQ-listed and see what kind of instrument it is. For each of 5,400+ securities the API returns its ticker symbol, the full security name and a normalized security type (common stock, ETF / fund, warrant, unit, right, preferred, note or depositary receipt) derived from the listing. Look a ticker up, search by symbol or company name, filter by security type, or list them all with a per-type breakdown. This is the NASDAQ listing directory — distinct from sp500-api (S&P 500 index membership) and finance-api (live quotes). Served from memory — always fast.

#nasdaq #stocks #tickers #securities #finance #reference
api.oanor.com/nasdaq-api
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Machine-readable spec so AI agents can integrate this API.

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

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

NASDAQ Listings API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
80 ms
Server probes · 24h
Subscribers
3,613
active
Total calls
100
last 7 days
status Full status page → · 20 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 16,000 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 16k calls/month
  • 3 req/sec
  • All endpoints
  • No credit card
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Starter

€8.00 /month

  • 180,000 calls / month
  • 10 requests / second
  • Hard cap (429 above quota, no overage)
  • 180k calls/month
  • 10 req/sec
  • Email support
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Pro

€23.00 /month

  • 900,000 calls / month
  • 25 requests / second
  • Hard cap (429 above quota, no overage)
  • 900k calls/month
  • 25 req/sec
  • Priority support
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Mega

€55.00 /month

  • 4,500,000 calls / month
  • 60 requests / second
  • Hard cap (429 above quota, no overage)
  • 4.5M calls/month
  • 60 req/sec
  • Dedicated SLA
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Stock Index Seasonality API — oanor API marketplace

Stock Index Seasonality API

The calendar patterns equity traders position around — "Sell in May", the Santa Claus rally, the September swoon — computed live from ~10 years of Yahoo Finance monthly data across the world's major stock indices (no key, nothing stored). Equities have well-documented seasonal tendencies, and this measures them directly: for each index it takes a decade of monthly returns, groups them by calendar month, and returns the average return in each of the twelve months, the share of years that month was positive (the win rate), and the historically strongest and weakest months. The seasonality endpoint returns one index's full 12-month seasonal profile plus the current month's historical bias. The month endpoint flips it around: for a calendar month it ranks every index by its historical average return, so you can see which markets are seasonally strong or weak right now. The indices endpoint lists what is covered, from the S&P 500, Nasdaq, Dow and Russell to the DAX, FTSE, CAC, Euro Stoxx, Nikkei and Hang Seng. The equity-index seasonality / calendar-pattern cut — distinct from the FX, commodity and crypto seasonality APIs, the index price feed and the constituent APIs.

api.oanor.com/indexseasonality-api

 IPO Calendar API — oanor API marketplace

IPO Calendar API

The live pipeline of US stock-market initial public offerings, served from Nasdaq's public IPO calendar — no key, nothing cached. This is the deal flow of companies going public, the data IPO investors and traders watch. The priced endpoint returns the IPOs that have just priced and begun trading, each with the ticker, company, exchange, offer price, shares offered, pricing date and total deal size. The upcoming endpoint returns the IPOs expected to price soon, with their price range and expected date — the near-term pipeline. The filed endpoint returns companies that have newly filed to go public, the earliest signal of a coming listing. The calendar endpoint returns the whole month in one call — priced, upcoming and filed — with counts. Any month back through the archive can be requested, and with no month it returns the current one. Everything is live from Nasdaq, nothing stored. This is the IPO-pipeline layer for any trading, investing, screener or finance app. Distinct from stock-quote and earnings APIs — this is the calendar of companies coming to market: priced, upcoming and freshly filed offerings. 4 endpoints, no key on our side.

api.oanor.com/ipo-api

 World Stock Indices API — oanor API marketplace

World Stock Indices API

Live world stock-index levels as an API — the current level of the major stock-market indices, served from Yahoo Finance. For any index it returns the current level, the previous close, the absolute and percentage change on the day, the day's high and low, and the 52-week high and low, in the index's own currency. Look an index up by name or ticker alias (S&P 500, Nasdaq, Dow, FTSE 100, DAX, CAC 40, Euro Stoxx 50, Nikkei 225, Hang Seng, Sensex, ASX 200 and more), pull a regional board ranked by the day's move (US, Europe, Asia, Americas), or get the headline world board in a single call. The live index-quote layer for trading, markets and dashboard apps. Distinct from S&P 500 and Nasdaq constituent-directory APIs — this returns the live index level, not the member list.

api.oanor.com/indices-api

 Luxembourg Stock Exchange API — oanor API marketplace

Luxembourg Stock Exchange API

Live equity market data for the Luxembourg Stock Exchange (LuxSE), one of Europe's leading listing venues, with quotes priced in EUR. Pull real-time quotes for specific listings — ArcelorMittal, ENGIE, RTL Group, Aperam, Reinet Investments and the rest of the equity board — with last price, day change percentage and absolute change, open, high, low, traded volume, market capitalisation and sector; run a ranked screener sorted by market cap, day change, volume or price; search the listings by company name; or read a market summary with the number of advancers, decliners and unchanged stocks, total market capitalisation and the day top gainer, top loser and most-active share. Distinct from other regional-exchange APIs on the marketplace — this surfaces the Luxembourg Stock Exchange equity board specifically.

api.oanor.com/luxembourg-stock-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for NASDAQ Listings API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call NASDAQ Listings API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for NASDAQ Listings 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 NASDAQ Listings API cost?
NASDAQ Listings API has a free tier with 100 calls / month. Paid plans start at €8.00 / 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 NASDAQ Listings API GDPR-compliant?
All requests to NASDAQ Listings 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/nasdaq-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/nasdaq-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/nasdaq-api/SOME_PATH");
curl_setopt($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/nasdaq-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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