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Data.parliament.uk vs FEC

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

APIData.parliament.ukHEALTHY95FECREACHABLE99
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d100%98.3%
P50 · ms3621602
P95 · ms39543334
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseOpen Parliament LicenceUnverified
Free tierFree / open dataFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data.parliament.uk vs FEC: common questions

Which is more reliable, Data.parliament.uk or FEC?

Both are neck-and-neck — Data.parliament.uk and FEC each measure 99.02% 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, Data.parliament.uk or FEC?

Data.parliament.uk has the lower median latency in our checks — Data.parliament.uk responds in 362 ms versus FEC at 1602 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 and FEC need an API key?

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

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

Yes — both Data.parliament.uk and FEC 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 and FEC free for commercial use?

Data.parliament.uk allows commercial use on its free tier, and FEC 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.