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 DomainTools
WhoisJSON lands on Worth it, and DomainTools lands on Depends.
DomainTools
Depends
Confidence: Medium
Buy it if you run a security team that investigates phishing, malicious domains, and infrastructure daily.
| Compare | WhoisJSON | DomainTools |
|---|---|---|
| Verdict | Worth it | Depends |
| Best for | Developers building domain checks | Enterprise SOC and threat-intel teams |
| Who it's not for | Non-technical buyers . it's a raw API, no GUI | Small teams without dedicated security staff |
| 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 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 | Reviews are sparse but positive, citing comprehensive domain data and strong reports, with pricing confusion the main friction. |
| Biggest gotcha | 1,000 free calls/month disappears fast in production; growth pushes you to paid plans³ | Entry price listed around $99/mo by third parties; real platform tiers are unlisted and sales-gated.16 |
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 DomainTools when
- Enterprise SOC and threat-intel teams
- Phishing and brand-protection investigators
- Teams buying via AWS/Azure marketplaces
- Security engineers needing deep DNS data
When DomainTools is not a fit
- Small teams without dedicated security staff
- Startups needing occasional domain lookups
- Buyers wanting transparent self-serve pricing
- Non-technical users doing one-off checks
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
- DomainTools . Threat Intelligence & Domain Security Platformdomaintools.comofficial
- DomainTools Software Reviews, Demo & Pricing . SoftwareAdvicesoftwareadvice.comreview