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Psychonauts API vs SpaceTradersAPI

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

APIPsychonauts APINEW—SpaceTradersAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified; fan tribute, game © Double FineUnverified
Free tierFree, no API key requiredFree tier — key may be required
Rate limitUnpublishedRetry-After: 1s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Psychonauts API vs SpaceTradersAPI: common questions

Which is more reliable, Psychonauts API or SpaceTradersAPI?

On our scheduled checks, SpaceTradersAPI leads on measured uptime — Psychonauts API 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 Psychonauts API and SpaceTradersAPI need an API key?

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

Can I call Psychonauts API and SpaceTradersAPI from the browser?

Only SpaceTradersAPI is browser-friendly — it returns CORS headers over HTTPS. Psychonauts API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Psychonauts API and SpaceTradersAPI free for commercial use?

Psychonauts API 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.