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CustomGPT.ai vs Microlink.io

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

APICustomGPT.aiNEW—Microlink.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedN/A — returns metadata extracted from the URL you pass
Free tierFree tier — API key requiredFree tier — no key required (Pro plans need a key)
Rate limitUnpublishedFree tier is rate-limited per day (see pricing)
In directory since2026-07-052026-07-05
operationalpartialdownno data

CustomGPT.ai vs Microlink.io: common questions

Which is more reliable, CustomGPT.ai or Microlink.io?

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

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

Can I call CustomGPT.ai and Microlink.io from the browser?

Yes — both CustomGPT.ai and Microlink.io 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 CustomGPT.ai and Microlink.io free for commercial use?

CustomGPT.ai has unclear commercial terms, and Microlink.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.