WhoisJSON
Worth it
Confidence: Medium
Buy if you're a developer or small team needing WHOIS/DNS/SSL data in code . the free 1,000 requests/month makes trialing it risk-free.
New check
Comparison
WhoisJSON vs WhoisXML API
WhoisJSON lands on Worth it, and WhoisXML API lands on Depends.
WhoisXML API
Depends
Confidence: Medium
Buy if your security, brand-protection, or fraud team needs programmatic domain/WHOIS/DNS intelligence wired into your own tools.
| Compare | ||
|---|---|---|
| Verdict | Worth it | Depends |
| Best for | Developers building domain checks | Security & threat-intel teams |
| Who it's not for | Non-technical buyers . it's a raw API, no GUI | Casual users needing one-off WHOIS lookups . free tools do this |
| Privacy | No known public vulnerabilities found in the sources reviewed.⁹ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | No support evidence in sources | No support-quality evidence in sources |
| Public sentiment | Independent coverage is thin, but a Reddit developer praised the free tier while building a domain monitoring tool on it.⁸ | Public feedback is sparse . a handful of G2 reviews plus scattered Reddit mentions in security, sysadmin, and domain communities. |
| Biggest gotcha | 1,000 free calls/month disappears fast in production; growth pushes you to paid plans³ | Each API has its own pricing page and subscription . stacking feeds gets expensive fast16 |
Pick WhoisJSON when
- Developers building domain checks
- Fraud and phishing investigation
- Domain portfolio monitoring
- AI agent workflows via MCP
When WhoisJSON is not a fit
- Non-technical buyers . it's a raw API, no GUI
- Enterprises needing DomainTools-grade threat intel
- One-off lookups . free whois/DNS tools already exist
- Guess: teams requiring SLAs or compliance attestations
Pick WhoisXML API when
- Security & threat-intel teams
- Brand protection and anti-phishing monitoring
- Fraud investigators
- Developers embedding domain data into apps
When WhoisXML API is not a fit
- Casual users needing one-off WHOIS lookups . free tools do this
- Non-technical teams wanting plug-and-play dashboards
- Anyone without developers to integrate raw API feeds
- Small teams on tight budgets . per-API costs stack up
Sources
- WhoisJSON homepagewhoisjson.comofficial
- WhoisJSON pricingwhoisjson.comofficial
- Free WHOIS API . 1,000 monthly requestswhoisjson.comofficial
- Product security pagewhoisjson.comofficial
- DomainTools alternative comparisonwhoisjson.comofficial
- WHOIS API rate limits and 429 handlingwhoisjson.comofficial
- WhoisJSON API Review (2026)itechguides.comreview
review
- Gridinsoft trust scangridinsoft.comsecurity
- WHOISJSON alternatives and comparisonsdomscan.netreview
- Integrately WhoisJSON integrationsintegrately.comreview
- MindCloud WhoisJSON integrationsmindcloud.coreview
- WhoisJSON MCP servermcp.soofficial
- APILayer marketplace listingmarketplace.apilayer.comreview
- WhoisXML API homepagewhoisxmlapi.comofficial
- WHOIS API pricingwhois.whoisxmlapi.comofficial