ElevenLabs API Documentation vs Keen IO

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms216667
P95 · ms5591461
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ElevenLabs API Documentation vs Keen IO: common questions

Which is more reliable, ElevenLabs API Documentation or Keen IO?

Both are neck-and-neck — ElevenLabs API Documentation and Keen IO 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, ElevenLabs API Documentation or Keen IO?

ElevenLabs API Documentation has the lower median latency in our checks — ElevenLabs API Documentation responds in 216 ms versus Keen IO at 667 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 ElevenLabs API Documentation and Keen IO need an API key?

Both ask you to authenticate — ElevenLabs API Documentation uses an API key and Keen IO uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call ElevenLabs API Documentation and Keen IO from the browser?

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

Are ElevenLabs API Documentation and Keen IO free for commercial use?

ElevenLabs API Documentation has unclear commercial terms, and Keen IO 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.