ClinicalTrials.gov vs Open Data NHS Scotland
Same instrument, two spec sheets — measured, not claimed.
ClinicalTrials.gov vs Open Data NHS Scotland: common questions
Which is more reliable, ClinicalTrials.gov or Open Data NHS Scotland?
On our scheduled checks, Open Data NHS Scotland leads on measured uptime — ClinicalTrials.gov at 99.02% versus Open Data NHS Scotland 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, ClinicalTrials.gov or Open Data NHS Scotland?
ClinicalTrials.gov has the lower median latency in our checks — ClinicalTrials.gov responds in 243 ms versus Open Data NHS Scotland at 1327 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 ClinicalTrials.gov and Open Data NHS Scotland need an API key?
Neither needs a paid key — ClinicalTrials.gov is callable with no signup, and Open Data NHS Scotland is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ClinicalTrials.gov and Open Data NHS Scotland from the browser?
Only ClinicalTrials.gov is browser-friendly — it returns CORS headers over HTTPS. Open Data NHS Scotland needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ClinicalTrials.gov and Open Data NHS Scotland free for commercial use?
ClinicalTrials.gov has unclear commercial terms, and Open Data NHS Scotland allows commercial use on its free tier. 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.