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FinSignals API vs Nexmo API

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

APIFinSignals APIHEALTHY96Nexmo APIHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms312567
P95 · ms14191221
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublished10, 120;w=60;name="crd|generic_key^nexmo-gloo.sanity-service-remote-address-120-rpm|remote_address", 10;w=1;name="crd|generic_key^nexmo-gloo.sanity-service-remote-address-10-rps|remote_address" req/window · 9 remaining · resets 1
In directory since2026-07-052026-07-05
operationalpartialdownno data

FinSignals API vs Nexmo API: common questions

Which is more reliable, FinSignals API or Nexmo API?

Both are neck-and-neck — FinSignals API and Nexmo API 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 Nexmo API?

FinSignals API has the lower median latency in our checks — FinSignals API responds in 312 ms versus Nexmo API at 567 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 Nexmo API need an API key?

FinSignals API needs no key, while Nexmo API requires a free API key. If you want to start calling without signup, reach for FinSignals API first.

Can I call FinSignals API and Nexmo API from the browser?

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

Are FinSignals API and Nexmo API free for commercial use?

FinSignals API has unclear commercial terms, and Nexmo 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.