FinSignals API vs Public Time API
Same instrument, two spec sheets — measured, not claimed.
FinSignals API vs Public Time API: common questions
Which is more reliable, FinSignals API or Public Time API?
On our scheduled checks, FinSignals API leads on measured uptime — FinSignals API at 100% versus Public Time API at 99.44% 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, FinSignals API or Public Time API?
FinSignals API has the lower median latency in our checks — FinSignals API responds in 223 ms versus Public Time API at 311 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 FinSignals API and Public Time API need an API key?
Neither needs a paid key — FinSignals API is callable with no signup, and Public Time API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call FinSignals API and Public Time API from the browser?
Only FinSignals API is browser-friendly — it returns CORS headers over HTTPS. Public Time API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are FinSignals API and Public Time API free for commercial use?
FinSignals API has unclear commercial terms, and Public Time API 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.