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Launch Library 2

Database of rocket launches, agencies, and space events

🔭 Science & SpaceDYINGchecked 13h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Launch Library 2, by The Space Devs, is a detailed database of past and upcoming rocket launches, providers, pads, and related events. Query upcoming launches to get status, timing windows, launch provider, and rocket details as JSON. It's keyless, but anonymous requests are throttled to a low rate.

29HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 29 · dying
Uptime history
3.9%90 days
1.7%30 days
546P50 · ms
1010P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 405 ms, slowest 1010 ms, most recent 405 ms.
Live response samplecaptured by our last successful check
GET https://ll.thespacedevs.com/2.2.0/launch/upcoming/?limit=1

{
  "count": 365,
  "results": [
    {
      "id": "1ef27ca1-af91-48bb-b934-3da5abd9f711",
      "name": "Falcon 9 Block 5 | Starlink Group 10-50",
      "status": {
        "name": "Go for Launch",
        "abbrev": "Go"
      },
      "net": "2026-07-05T10:50:00Z",
      "launch_service_provider": {
        "name": "SpaceX",
        "type": "Commercial"
      }
    }
  ]
}
Call itcurl · fetch · python
curl "https://ll.thespacedevs.com/2.2.0/launch/upcoming/?limit=1"
const res = await fetch("https://ll.thespacedevs.com/2.2.0/launch/upcoming/?limit=1");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://ll.thespacedevs.com/2.2.0/launch/upcoming/?limit=1")
print(res.json())
Endpoints · 6DyingFULL DOCS ↗
Dying — error rate climbing on GET /launch/upcoming/?limit=1546 mschecked 13h ago
GET/launch/upcoming/?limit=1PROBED

Database of rocket launches, agencies, and space events

GET/launch

Launch — documented GET route.

GET/launch/1

Launch details by ID (example: 1).

GET/launch?limit=10

Launch — documented GET route.

GET/launch/search?q=test

Search by query parameters.

GET/launch/upcoming/?limit=5

Upcoming — 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.

Launch Library 2: common questions

Is Launch Library 2 free to use?

Yes — Launch Library 2 is a free science & space API. Free tier: Free — no key (The Space Devs LL2). Whether the free tier allows commercial use is unclear — check the provider docs.

Does Launch Library 2 need an API key?

No — Launch Library 2 needs no API key or signup. You can call it straight away; rate limits still apply (Anonymous requests are throttled to a low rate (see docs)).

Can I call Launch Library 2 from the browser?

Yes — Launch Library 2 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 Launch Library 2 up right now?

As of our last scheduled check, Launch Library 2 is dying with 3.9% uptime over 90 days and a 546 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.