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Archive.org vs CustomGPT.ai

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

APIArchive.orgNEW—CustomGPT.aiNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (rights vary per item)Unverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Archive.org vs CustomGPT.ai: common questions

Which is more reliable, Archive.org or CustomGPT.ai?

On our scheduled checks, CustomGPT.ai leads on measured uptime — Archive.org at —% versus CustomGPT.ai at —% 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 Archive.org and CustomGPT.ai need an API key?

Archive.org needs no key, while CustomGPT.ai requires a free API key. If you want to start calling without signup, reach for Archive.org first.

Can I call Archive.org and CustomGPT.ai from the browser?

Yes — both Archive.org and CustomGPT.ai 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 Archive.org and CustomGPT.ai free for commercial use?

Archive.org has unclear commercial terms, and CustomGPT.ai 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.