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Data.parliament.uk API vs Spaceflight News

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

APIData.parliament.uk APIHEALTHY84Spaceflight NewsHEALTHY63
Uptime · 30d
Uptime · 90d92.2%95.1%
Uptime · 30d91.7%91.7%
P50 · ms678864
P95 · ms41644497
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (links/metadata for third-party news)
Free tierFree tier — API key requiredFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data.parliament.uk API vs Spaceflight News: common questions

Which is more reliable, Data.parliament.uk API or Spaceflight News?

On our scheduled checks, Spaceflight News leads on measured uptime — Data.parliament.uk API at 92.2% versus Spaceflight News at 95.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Data.parliament.uk API or Spaceflight News?

Data.parliament.uk API has the lower median latency in our checks — Data.parliament.uk API responds in 678 ms versus Spaceflight News at 864 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 Data.parliament.uk API and Spaceflight News need an API key?

Spaceflight News needs no key, while Data.parliament.uk API requires a free API key. If you want to start calling without signup, reach for Spaceflight News first.

Can I call Data.parliament.uk API and Spaceflight News from the browser?

Yes — both Data.parliament.uk API and Spaceflight News 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 Data.parliament.uk API and Spaceflight News free for commercial use?

Data.parliament.uk API has unclear commercial terms, and Spaceflight News 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.