ClinicalTrials.gov vs DiscGolf

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms243762
P95 · ms5742153
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedFree to use with attribution (per response metadata)
Free tierFree — limits not publishedFree — public endpoints, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ClinicalTrials.gov vs DiscGolf: common questions

Which is more reliable, ClinicalTrials.gov or DiscGolf?

On our scheduled checks, DiscGolf leads on measured uptime — ClinicalTrials.gov at 99.02% versus DiscGolf 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 DiscGolf?

ClinicalTrials.gov has the lower median latency in our checks — ClinicalTrials.gov responds in 243 ms versus DiscGolf at 762 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 DiscGolf need an API key?

Neither needs a paid key — ClinicalTrials.gov is callable with no signup, and DiscGolf is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call ClinicalTrials.gov and DiscGolf from the browser?

Yes — both ClinicalTrials.gov and DiscGolf 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 ClinicalTrials.gov and DiscGolf free for commercial use?

ClinicalTrials.gov has unclear commercial terms, and DiscGolf 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.