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Finnhub

Finnhub — free tier with API key

📈 FinanceREACHABLEchecked 5h ago
AUTH APIKEYCORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Finnhub exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.

100REACHABILITY SCORE ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · healthy
CHECK TIER · REACHABILITY

We probe without your API key. A 401/403 auth wall means the server is up — not a full health pass.

Uptime history
100%90d reachable
100%30d reachable
5hLast check · since JUL 8 · server OK
operationalpartialdownno data
Live response samplecaptured by our last successful check
GET https://finnhub.io/api/v1/ai-chat?token=\u003ctoken\u003e

{
  "error": "Invalid API key"
}
Call itcurl · fetch · python
curl "https://finnhub.io/api/v1/ai-chat?token=\u003ctoken\u003e"
const res = await fetch("https://finnhub.io/api/v1/ai-chat?token=\u003ctoken\u003e");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://finnhub.io/api/v1/ai-chat?token=\u003ctoken\u003e")
print(res.json())
Endpoints · 6ReachableFULL DOCS ↗
Auth wall reachable — GET /api/v1/ai-chat?token=\u003ctoken\u003e (key stripped)157 mschecked 5h ago
GET/api/v1/ai-chat?token=\u003ctoken\u003ePROBED

Finnhub — free tier with API key

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

GET/api/v1/ai-chat?limit=5

Ai Chat — documented GET route.

Machine-readable spec

We probe without your API key. A 401/403 auth wall means the server is up — not a full health pass. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

Finnhub: common questions

Is Finnhub free to use?

Yes — Finnhub is a free finance API. Free tier: Free tier — API key required. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Finnhub need an API key?

Yes — Finnhub needs a free API key, which you pass on each request. Rate limits: Unpublished.

Can I call Finnhub from the browser?

Yes — Finnhub returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is Finnhub up right now?

As of our last scheduled check, Finnhub is healthy with 100% uptime over 90 days and a 157 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.