Amanah Sunnah vs Gutendex

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

Uptime · 30d
Uptime · 90d98.0%8.8%
Uptime · 30d100%8.3%
P50 · ms3763229
P95 · ms11104690
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedPublic domain (Project Gutenberg data)
Free tierFree tier — API key requiredFree, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Amanah Sunnah vs Gutendex: common questions

Which is more reliable, Amanah Sunnah or Gutendex?

On our scheduled checks, Amanah Sunnah leads on measured uptime — Amanah Sunnah at 98.0% versus Gutendex at 8.8% 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, Amanah Sunnah or Gutendex?

Amanah Sunnah has the lower median latency in our checks — Amanah Sunnah responds in 376 ms versus Gutendex at 3229 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 Amanah Sunnah and Gutendex need an API key?

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

Can I call Amanah Sunnah and Gutendex from the browser?

Yes — both Amanah Sunnah and Gutendex send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Amanah Sunnah and Gutendex free for commercial use?

Amanah Sunnah has unclear commercial terms, and Gutendex 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.