shipapis
StarSubmit an APISubmit API

Data.parliament.uk API vs Datamuse

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

APIData.parliament.uk APIHEALTHY84DatamuseHEALTHY94
Uptime · 30d
Uptime · 90d92.2%92.2%
Uptime · 30d91.7%86.7%
P50 · ms678180
P95 · ms4164926
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 Datamuse: common questions

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

Both are neck-and-neck — Data.parliament.uk API and Datamuse each measure 92.2% 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 API or Datamuse?

Datamuse has the lower median latency in our checks — Data.parliament.uk API responds in 678 ms versus Datamuse at 180 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 Datamuse need an API key?

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

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

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

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

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