ClinicalTrials.gov vs LAPIS
Same instrument, two spec sheets — measured, not claimed.
ClinicalTrials.gov vs LAPIS: common questions
Which is more reliable, ClinicalTrials.gov or LAPIS?
On our scheduled checks, LAPIS leads on measured uptime — ClinicalTrials.gov at 99.02% versus LAPIS 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 LAPIS?
ClinicalTrials.gov has the lower median latency in our checks — ClinicalTrials.gov responds in 243 ms versus LAPIS at 524 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 LAPIS need an API key?
Neither needs a paid key — ClinicalTrials.gov is callable with no signup, and LAPIS is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ClinicalTrials.gov and LAPIS from the browser?
Yes — both ClinicalTrials.gov and LAPIS 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 LAPIS free for commercial use?
ClinicalTrials.gov has unclear commercial terms, and LAPIS 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.