shipapis
StarSubmit an APISubmit API

TLE

Two-line element sets for orbiting satellites

🔭 Science & SpaceHEALTHYchecked 4h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Serves NORAD two-line element (TLE) orbital data for satellites by catalog number, including the familiar line1/line2 pair and a timestamp. Query 25544 and you get the ISS's current elements. Ideal for orbit-propagation and satellite-tracking projects.

78HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 78 · healthy
Uptime history
88.2%90 days
80.0%30 days
1090P50 · ms
2424P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 118 ms, slowest 2281 ms, most recent 151 ms.
Live response samplecaptured by our last successful check
GET https://tle.ivanstanojevic.me/api/tle/25544

{
  "@type": "Tle",
  "satelliteId": 25544,
  "name": "ISS (ZARYA)",
  "date": "2026-07-04T19:09:56+00:00",
  "line1": "1 25544U 98067A   26185.79857271  .00009725  00000+0  18504-3 0  9991",
  "line2": "2 25544  51.6303 212.9192 0006761 256.1012 103.9224 15.48894567574489"
}
Call itcurl · fetch · python
curl "https://tle.ivanstanojevic.me/api/tle/25544"
const res = await fetch("https://tle.ivanstanojevic.me/api/tle/25544");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://tle.ivanstanojevic.me/api/tle/25544")
print(res.json())
Endpoints · 6HealthyFULL DOCS ↗
Monitored path responding — GET /api/tle/255441090 mschecked 4h ago
GET/api/tle/25544PROBED

Two-line element sets for orbiting satellites

GET/api/tle

Tle — documented GET route.

GET/api/tle/1

Tle details by ID (example: 1).

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — 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.

TLE: common questions

Is TLE free to use?

Yes — TLE is a free science & space API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does TLE need an API key?

No — TLE needs no API key or signup. You can call it straight away; rate limits still apply (Retry-After: 14400s).

Can I call TLE from the browser?

Yes — TLE 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 TLE up right now?

As of our last scheduled check, TLE is healthy with 88.2% uptime over 90 days and a 1090 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.