Open Notify vs World Bank
Same instrument, two spec sheets — measured, not claimed.
Open Notify vs World Bank: common questions
Which is more reliable, Open Notify or World Bank?
On our scheduled checks, World Bank leads on measured uptime — Open Notify at 71.6% versus World Bank at 96.1% 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, Open Notify or World Bank?
World Bank has the lower median latency in our checks — Open Notify responds in 241 ms versus World Bank at 216 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 Open Notify and World Bank need an API key?
Neither needs a paid key — Open Notify is callable with no signup, and World Bank is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Open Notify and World Bank from the browser?
Only World Bank is browser-friendly — it returns CORS headers over HTTPS. Open Notify needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Open Notify and World Bank free for commercial use?
Open Notify has unclear commercial terms, and World Bank allows commercial use on its free tier. 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.