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Nebulum Mars Rovers API vs SWAPI GraphQL

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

APINebulum Mars Rovers APIHEALTHY91SWAPI GraphQLHEALTHY87
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms688858
P95 · ms13993083
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nebulum Mars Rovers API vs SWAPI GraphQL: common questions

Which is more reliable, Nebulum Mars Rovers API or SWAPI GraphQL?

Both are neck-and-neck — Nebulum Mars Rovers API and SWAPI GraphQL each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Nebulum Mars Rovers API or SWAPI GraphQL?

Nebulum Mars Rovers API has the lower median latency in our checks — Nebulum Mars Rovers API responds in 688 ms versus SWAPI GraphQL at 858 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Nebulum Mars Rovers API and SWAPI GraphQL need an API key?

Neither needs a paid key — Nebulum Mars Rovers API is callable with no signup, and SWAPI GraphQL is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Nebulum Mars Rovers API and SWAPI GraphQL from the browser?

Yes — both Nebulum Mars Rovers API and SWAPI GraphQL 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 Nebulum Mars Rovers API and SWAPI GraphQL free for commercial use?

Nebulum Mars Rovers API has unclear commercial terms, and SWAPI GraphQL 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.