FinSignals API vs LectServe

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms312786
P95 · ms14191633
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FinSignals API vs LectServe: common questions

Which is more reliable, FinSignals API or LectServe?

On our scheduled checks, FinSignals API leads on measured uptime — FinSignals API at 100% versus LectServe at 99.02% 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 LectServe?

FinSignals API has the lower median latency in our checks — FinSignals API responds in 312 ms versus LectServe at 786 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 LectServe need an API key?

Neither needs a paid key — FinSignals API is callable with no signup, and LectServe is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call FinSignals API and LectServe from the browser?

Only FinSignals API is browser-friendly — it returns CORS headers over HTTPS. LectServe needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are FinSignals API and LectServe free for commercial use?

FinSignals API has unclear commercial terms, and LectServe 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.