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CustomGPT.ai vs The Guardian

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

APICustomGPT.aiDEAD0The GuardianDEAD0
Uptime · 30d
Uptime · 90d0.0%50.6%
Uptime · 30d0.0%0.0%
P50 · ms—517
P95 · ms—2726
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

CustomGPT.ai vs The Guardian: common questions

Which is more reliable, CustomGPT.ai or The Guardian?

On our scheduled checks, The Guardian leads on measured uptime — CustomGPT.ai at 0.0% versus The Guardian at 50.6% 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 The Guardian need an API key?

Both ask you to authenticate — CustomGPT.ai uses an API key and The Guardian 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 CustomGPT.ai and The Guardian from the browser?

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

Are CustomGPT.ai and The Guardian free for commercial use?

CustomGPT.ai has unclear commercial terms, and The Guardian 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.