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Open Topo Data

Elevation and ocean depth for a lat/lon

🗺 Geo & MapsUNMONITOREDchecked 28 min ago
AUTH NONECORS ✗AGENT ✓HTTPS ✓COMMERCIAL ?

Query the elevation (or ocean depth) at one or more coordinates against a choice of open elevation datasets. The public instance is keyless; the test-dataset shown here returns a demo value while named datasets serve real terrain data.

—HOW IT'S SCORED ⓘ
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Uptime history
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—%30 days
—P50 · ms
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operationalpartialdownno data
Live response samplecaptured by our last successful check
GET https://api.opentopodata.org/v1/test-dataset?locations=56.35,123.90

{
  "results": [
    {
      "dataset": "test-dataset",
      "elevation": 1014.15,
      "location": {
        "lat": 56.35,
        "lng": 123.9
      }
    }
  ],
  "status": "OK"
}
Call itcurl · fetch · python
curl "https://api.opentopodata.org/v1/test-dataset?locations=56.35,123.90"
const res = await fetch("https://api.opentopodata.org/v1/test-dataset?locations=56.35,123.90");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.opentopodata.org/v1/test-dataset?locations=56.35,123.90")
print(res.json())

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

Endpoints · 6On scheduleFULL DOCS ↗
First rollup pending — GET /v1/test-dataset?locations=56.35,123.90 has been probed
GET/v1/test-dataset?locations=56.35,123.90PROBED

Elevation and ocean depth for a lat/lon

GET/v1

V1 — documented GET route.

GET/v1/1

V1 details by ID (example: 1).

GET/v1?limit=10

V1 — documented GET route.

GET/v1/search?q=test

Search by query parameters.

GET/v1/

V1 — documented GET route.

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.

Open Topo Data: common questions

Is Open Topo Data free to use?

Yes — Open Topo Data is a free geo & maps API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Open Topo Data need an API key?

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 You can call it straight away; rate limits still apply (Unpublished).

Can I call Open Topo Data from the browser?

Not directly — Open Topo Data 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 Open Topo Data up right now?

As of our last scheduled check, Open Topo Data is unmonitored. We re-probe it every sweep — the status badge and uptime chart above always show the latest.