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Marketstack

Marketstack — free tier with API key

📈 FinanceUNMONITORED
AUTH APIKEYCORS ✗AGENT ?HTTPS ✓COMMERCIAL ?

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

—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://marketstack.com/healthz

{
  "success": true,
  "service": "portal",
  "hostname": "portal-main.ip-10-128-203-56.apilayer.net",
  "version": "d06ac150",
  "environment": "production",
  "deploy_datetime": "2026-07-05T16:00:53Z"
}
Call itcurl · fetch · python
curl "https://marketstack.com/healthz"
const res = await fetch("https://marketstack.com/healthz");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://marketstack.com/healthz")
print(res.json())

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

Endpoints · 3On scheduleFULL DOCS ↗
On schedule — GET /healthz awaits first probe
GET/healthzPROBED

Marketstack — free tier with API key

GET/ping

Lightweight ping endpoint.

GET/status

Service status metadata.

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.

Marketstack: common questions

Is Marketstack free to use?

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

Does Marketstack need an API key?

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 Rate limits: Unpublished.

Can I call Marketstack from the browser?

Not directly — Marketstack 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 Marketstack up right now?

Marketstack 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.