ES·pera API vs Lexigram

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

Uptime · 30d
Uptime · 90d0.0%99.44%
Uptime · 30d0.0%100%
P50 · ms—414
P95 · ms—1380
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — key may be required
Rate limitUnpublished
In directory since2026-09-212026-07-05
operationalpartialdownno data

ES·pera API vs Lexigram: common questions

Which is more reliable, ES·pera API or Lexigram?

On our scheduled checks, Lexigram leads on measured uptime — ES·pera API at 0.0% versus Lexigram at 99.44% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do ES·pera API and Lexigram need an API key?

ES·pera API needs no key, while Lexigram requires a free API key. If you want to start calling without signup, reach for ES·pera API first.

Can I call ES·pera API and Lexigram from the browser?

Neither sends browser-friendly CORS headers reliably, so call ES·pera API and Lexigram from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are ES·pera API and Lexigram free for commercial use?

ES·pera API has unclear commercial terms, and Lexigram 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.