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ClinicalTrials.gov vs SportScore

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

APIClinicalTrials.govHEALTHY77SportScoreHEALTHY71
Uptime · 30d
Uptime · 90d99.02%87.3%
Uptime · 30d100%86.7%
P50 · ms243288
P95 · ms5742112
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key (attribution tier)
Rate limitUnpublishedRetry-After: 5s
In directory since2026-07-052026-07-05
operationalpartialdownno data

ClinicalTrials.gov vs SportScore: common questions

Which is more reliable, ClinicalTrials.gov or SportScore?

On our scheduled checks, ClinicalTrials.gov leads on measured uptime — ClinicalTrials.gov at 99.02% versus SportScore at 87.3% 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 SportScore?

ClinicalTrials.gov has the lower median latency in our checks — ClinicalTrials.gov responds in 243 ms versus SportScore at 288 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 SportScore need an API key?

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

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

Only ClinicalTrials.gov is browser-friendly — it returns CORS headers over HTTPS. SportScore needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ClinicalTrials.gov and SportScore free for commercial use?

ClinicalTrials.gov has unclear commercial terms, and SportScore 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.