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Data.parliament.uk API vs Warnely

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

APIData.parliament.uk APIHEALTHY84WarnelyDYING89
Uptime · 30d
Uptime · 90d92.2%90.2%
Uptime · 30d91.7%83.3%
P50 · ms678334
P95 · ms41641375
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data.parliament.uk API vs Warnely: common questions

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

On our scheduled checks, Data.parliament.uk API leads on measured uptime — Data.parliament.uk API at 92.2% versus Warnely at 90.2% 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 Warnely?

Warnely has the lower median latency in our checks — Data.parliament.uk API responds in 678 ms versus Warnely at 334 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 Warnely need an API key?

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

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

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

Are Data.parliament.uk API and Warnely free for commercial use?

Data.parliament.uk API has unclear commercial terms, and Warnely 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.