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WhoisXML API Email Verification API vs Zhipu AI API

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

APIWhoisXML API Email Verification APINEW—Zhipu AI APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

WhoisXML API Email Verification API vs Zhipu AI API: common questions

Which is more reliable, WhoisXML API Email Verification API or Zhipu AI API?

On our scheduled checks, Zhipu AI API leads on measured uptime — WhoisXML API Email Verification API at —% versus Zhipu AI API 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 WhoisXML API Email Verification API and Zhipu AI API need an API key?

Both ask you to authenticate — WhoisXML API Email Verification API uses an API key and Zhipu AI API 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 WhoisXML API Email Verification API and Zhipu AI API from the browser?

Yes — both WhoisXML API Email Verification API and Zhipu AI API 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 WhoisXML API Email Verification API and Zhipu AI API free for commercial use?

WhoisXML API Email Verification API has unclear commercial terms, and Zhipu AI API 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.