Data.parliament.uk API vs ElonMuskAPI

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

Uptime · 30d
Uptime · 90d92.2%100%
Uptime · 30d91.7%100%
P50 · ms678636
P95 · ms41641144
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data.parliament.uk API vs ElonMuskAPI: common questions

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

On our scheduled checks, ElonMuskAPI leads on measured uptime — Data.parliament.uk API at 92.2% versus ElonMuskAPI at 100% 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 ElonMuskAPI?

ElonMuskAPI has the lower median latency in our checks — Data.parliament.uk API responds in 678 ms versus ElonMuskAPI at 636 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 ElonMuskAPI need an API key?

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

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

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

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

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