GDBrowser vs SpaceTradersAPI

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API keyFree tier — key may be required
Rate limit150 req/window · 149 remaining · resets 1783513202Retry-After: 1s
In directory since2026-07-052026-07-05
operationalpartialdownno data

GDBrowser vs SpaceTradersAPI: common questions

Which is more reliable, GDBrowser or SpaceTradersAPI?

On our scheduled checks, SpaceTradersAPI leads on measured uptime — GDBrowser at —% versus SpaceTradersAPI at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do GDBrowser and SpaceTradersAPI need an API key?

GDBrowser needs no key, while SpaceTradersAPI requires a free API key. If you want to start calling without signup, reach for GDBrowser first.

Can I call GDBrowser and SpaceTradersAPI from the browser?

Yes — both GDBrowser and SpaceTradersAPI send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are GDBrowser and SpaceTradersAPI free for commercial use?

GDBrowser has unclear commercial terms, and SpaceTradersAPI has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.