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Archive.org vs Data.parliament.uk API

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

APIArchive.orgHEALTHY65Data.parliament.uk APIHEALTHY84
Uptime · 30d
Uptime · 90d97.1%92.2%
Uptime · 30d96.7%91.7%
P50 · ms813678
P95 · ms27644164
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (rights vary per item)Unverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Archive.org vs Data.parliament.uk API: common questions

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

On our scheduled checks, Archive.org leads on measured uptime — Archive.org at 97.1% versus Data.parliament.uk API at 92.2% 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, Archive.org or Data.parliament.uk API?

Data.parliament.uk API has the lower median latency in our checks — Archive.org responds in 813 ms versus Data.parliament.uk API at 678 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 Archive.org and Data.parliament.uk API need an API key?

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

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

Yes — both Archive.org and Data.parliament.uk API 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 Archive.org and Data.parliament.uk API free for commercial use?

Archive.org has unclear commercial terms, and Data.parliament.uk API 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.