FinSignals API vs Lanyard
Same instrument, two spec sheets — measured, not claimed.
FinSignals API vs Lanyard: common questions
Which is more reliable, FinSignals API or Lanyard?
Both are neck-and-neck — FinSignals API and Lanyard each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, FinSignals API or Lanyard?
Lanyard has the lower median latency in our checks — FinSignals API responds in 223 ms versus Lanyard at 151 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 Lanyard need an API key?
Neither needs a paid key — FinSignals API is callable with no signup, and Lanyard is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call FinSignals API and Lanyard from the browser?
Yes — both FinSignals API and Lanyard 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 FinSignals API and Lanyard free for commercial use?
FinSignals API has unclear commercial terms, and Lanyard 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.