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I Compared 12 WHOIS APIs — Subdomain Center Won on 3 Metrics

cybersecurity, #api, #python, #sideprojects The benchmark that embarrassed my wallet I burned $47 in API credits in 14 minutes. Same domain. Twelve different WHOIS endpoints.

  • Subdomain.center API returned 11,847 subdomains for stripe.com
  • Worst-performing API returned only 312 subdomains for same domain
  • Subdomain Center API is cost-effective at $0.002 per call

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