ONS vs Recherche Entreprises
Same instrument, two spec sheets — measured, not claimed.
ONS vs Recherche Entreprises: common questions
Which is more reliable, ONS or Recherche Entreprises?
On our scheduled checks, ONS leads on measured uptime — ONS at 100% versus Recherche Entreprises at 83.3% 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, ONS or Recherche Entreprises?
ONS has the lower median latency in our checks — ONS responds in 732 ms versus Recherche Entreprises at 1050 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 ONS and Recherche Entreprises need an API key?
Neither needs a paid key — ONS is callable with no signup, and Recherche Entreprises is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ONS and Recherche Entreprises from the browser?
Yes — both ONS and Recherche Entreprises 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 ONS and Recherche Entreprises free for commercial use?
ONS has unclear commercial terms, and Recherche Entreprises 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.