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What3Words

What3Words — free tier with API key

🗺 Geo & MapsHEALTHYchecked 8h ago
AUTH APIKEYCORS ✗AGENT ✓HTTPS ✓COMMERCIAL ?

What3Words exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.

96HOW IT'S SCORED ⓘ
Docs ↗
Status badge · for your READMEshipapis health badge: 96 · healthy
Uptime history
100%90 days
100%30 days
391P50 · ms
1181P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 54 ms, slowest 671 ms, most recent 93 ms.
Live response samplecaptured by our last successful check
GET https://what3words.com/status

{
  "status": "OK",
  "version": "v3.25.0",
  "application": "what3words-corporate-site"
}
Call itcurl · fetch · python
curl "https://what3words.com/status"
const res = await fetch("https://what3words.com/status");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://what3words.com/status")
print(res.json())

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

Endpoints · 3HealthyFULL DOCS ↗
Monitored path responding — GET /status391 mschecked 8h ago
GET/statusPROBED

What3Words — free tier with API key

GET/health

Health check — confirms the service is up.

GET/ping

Lightweight ping endpoint.

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

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

What3Words: common questions

Is What3Words free to use?

Yes — What3Words is a free geo & maps API. Free tier: Free tier — key may be required. Whether the free tier allows commercial use is unclear — check the provider docs.

Does What3Words need an API key?

Yes — What3Words needs a free API key, which you pass on each request. Rate limits: Unpublished.

Can I call What3Words from the browser?

Not directly — What3Words 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 What3Words up right now?

As of our last scheduled check, What3Words is healthy with 100% uptime over 90 days and a 391 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.