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WhoAPI Inc. Review

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Should I use WhoAPI Inc.?

WhoAPI Inc. is a software company that has been developing APIs since 2011. Whois API, Domain Availability API, Blacklist API and others. - whoapi.com

· 5 days ago

Buy if your dev or security team needs Whois, domain availability, or blacklist data via API at real volume. Skip if you are a non-technical buyer wanting simple lookups, or need a heavily-reviewed vendor with public pricing and security documentation.

Confidence

Medium. Based on 20+ public sources; most are company-authored, with only 7 Facebook reviews as independent feedback.

Ratings

  • Value for moneyNo public pricing numbers in evidence
  • Ease of useNo independent usability evidence found
  • Feature depth
  • Support qualityFAQ and tickets exist; quality unverified
  • Security posture

Pricing

Not disclosed

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed

Best for

  • Dev teams needing Whois data via API
  • Teams screening domain availability at scale
  • Security teams watching blacklists and new domains
  • Email/hosting companies checking domain reputation

Not for

  • Non-technical users wanting simple lookups
  • Buyers needing a registrar or DNS host — this sells data only
  • Teams requiring SOC 2 or public security documentation
  • Anyone wanting a heavily-reviewed, enterprise-scale vendor

Gotchas - check before you buy

medium

Per-API, per-request pricing structure; heavy-volume costs can balloon — get a written quote.

medium

Independent reviews are nearly nonexistent — trial thoroughly before annual commitments.

medium

WHOIS coverage shifts with GDPR redaction and RDAP transition; data varies by TLD.

low

Accounts can be suspended for TOS breaches; check usage limits and fair-use rules.

Pros and cons

Pros

  • Developing domain-data APIs since 2011 — long track record
  • Broad catalog: Whois, availability, blacklist, domain score, age, bulk Whois
  • Named case studies with King, Wikimedia, and Kickbox
  • 100% recommend across 7 Facebook reviews

Cons

  • Only 7 Facebook reviews; no major review-platform presence found
  • No public pricing numbers; must contact or dig per-API pages
  • No dedicated security page found on site
  • Small team and minimal social footprint (161 LinkedIn followers)

Sources & method

- 10 sources - No known vulnerabilities found in the sources reviewed.

official x5review x3security x2

Key stats

  • Feature depth: 4/5

    Rating

  • Not disclosed

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money. No public pricing numbers in evidence
  • Ease of use. No independent usability evidence found
  • Feature depth: 4/5. Wide catalog beyond Whois: score, age, blacklist APIs
  • Support quality. FAQ and tickets exist; quality unverified
  • Security posture: 3/5. No known vulns; but no public security page
  • 100% recommend Facebook reviews 7 reviews
  • 2011 Founded Mountain View, CA
  • 6+ APIs API catalog Whois, availability, blacklist, score, age
  • 161 followers LinkedIn footprint small-vendor signal

Pricing

Not disclosed

Security

No known vulnerabilities found in the sources reviewed.

What users say

Independent reviews are scarce; Facebook aggregates 7 reviews at 100% recommend, with no substantial third-party review content found.

Companies that use it

  • King
  • Wikimedia
  • Kickbox
Full analysis

Based on 20+ public sources; most are company-authored, with only 7 Facebook reviews as independent feedback.

Veteran domain-data APIs for developers, but tiny vendor, thin reviews, opaque per-API pricing.

Methodology

Based on 20+ public sources; most are company-authored, with only 7 Facebook reviews as independent feedback.

Read how a report is made.

Sources

  1. WhoAPI homepagewhoapi.com
    official
  2. WhoAPI on Serchenserchen.co.uk
    review
  3. review
  4. review
  5. official
  6. WhoAPI FAQwhoapi.com
    official
  7. security
  8. security
  9. official
  10. official

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