ClinicalTrials.gov vs Open Food Facts
Same instrument, two spec sheets — measured, not claimed.
ClinicalTrials.gov vs Open Food Facts: common questions
Which is more reliable, ClinicalTrials.gov or Open Food Facts?
On our scheduled checks, ClinicalTrials.gov leads on measured uptime — ClinicalTrials.gov at 99.02% versus Open Food Facts at 39.2% 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 Food Facts?
ClinicalTrials.gov has the lower median latency in our checks — ClinicalTrials.gov responds in 243 ms versus Open Food Facts at 1556 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 Food Facts need an API key?
Neither needs a paid key — ClinicalTrials.gov is callable with no signup, and Open Food Facts is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ClinicalTrials.gov and Open Food Facts from the browser?
Only ClinicalTrials.gov is browser-friendly — it returns CORS headers over HTTPS. Open Food Facts needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ClinicalTrials.gov and Open Food Facts free for commercial use?
ClinicalTrials.gov has unclear commercial terms, and Open Food Facts 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.