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Quandl

Quandl — keyless JSON API

📚 Open DataUNMONITORED
AUTH NONECORS ✗AGENT ?HTTPS ✓COMMERCIAL ?

Quandl. Stock Market Data

—HOW IT'S SCORED ⓘ
Docs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://www.quandl.com/.well-known/openapi.json

{
  "bearer_methods_supported": [
    "header"
  ],
  "resource": "https://data.nasdaq.com/.well-known/openapi.json",
  "authorization_servers": [
    "https://signin.nasdaq.com/oauth2/austt9dkdogT6EFRB417/"
  ],
  "resource_documentation": "https://data.nasdaq.com/"
}
Call itcurl · fetch · python
curl "https://www.quandl.com/.well-known/openapi.json"
const res = await fetch("https://www.quandl.com/.well-known/openapi.json");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://www.quandl.com/.well-known/openapi.json")
print(res.json())

BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET

Endpoints · 5On scheduleFULL DOCS ↗
On schedule — GET /.well-known/openapi.json awaits first probe
GET/.well-known/openapi.jsonPROBED

Quandl — keyless JSON API

GET/.well-known

Well Known — documented GET route.

GET/.well-known/1

.Well Known details by ID (example: 1).

GET/.well-known?limit=10

Well Known — documented GET route.

GET/.well-known/search?q=test

Search by query parameters.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

Quandl: common questions

Is Quandl free to use?

Yes — Quandl is a free open data API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Quandl need an API key?

No — Quandl needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call Quandl from the browser?

Not directly — Quandl doesn't send browser-friendly CORS headers, so call it from a server or proxy instead. Copy the curl or Python snippet on this page to get started.

Is Quandl up right now?

Quandl is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.