ELI vs Piloterr

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms591635
P95 · ms18171730
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ELI vs Piloterr: common questions

Which is more reliable, ELI or Piloterr?

On our scheduled checks, Piloterr leads on measured uptime — ELI at 99.02% versus Piloterr at 100% 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, ELI or Piloterr?

ELI has the lower median latency in our checks — ELI responds in 591 ms versus Piloterr at 635 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 ELI and Piloterr need an API key?

Both ask you to authenticate — ELI uses an API key and Piloterr 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 ELI and Piloterr from the browser?

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

Are ELI and Piloterr free for commercial use?

ELI has unclear commercial terms, and Piloterr 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.