SecurityTrails
Depends
Confidence: Medium
Buy if you do security research, bug bounty, or attack surface mapping and will actually use the API weekly.
Comparison
SecurityTrails vs WhoisJSON
SecurityTrails lands on Depends, and WhoisJSON lands on Worth it.
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.
| Compare | SecurityTrails | WhoisJSON |
|---|---|---|
| Verdict | Depends | Worth it |
| Best for | Bug bounty hunters | Developers building domain checks |
| Who it's not for | Casual users needing occasional domain lookups | Non-technical buyers . it's a raw API, no GUI |
| Privacy | No known public vulnerabilities found in the sources reviewed. | No known public vulnerabilities found in the sources reviewed. |
| Support quality | No usable evidence in sources | No support evidence in sources |
| Public sentiment | OSINT researchers and bug bounty hunters consistently recommend SecurityTrails, while some Reddit users point to free alternatives over the paid tiers.12 | Independent coverage is thin, but a Reddit developer praised the free tier while building a domain monitoring tool on it. |
| Biggest gotcha | Enterprise pricing is negotiate-with-sales; no list prices anywhere⁷ | 1,000 free calls/month disappears fast in production; growth pushes you to paid plans |
Pick SecurityTrails when
- Bug bounty hunters
- OSINT researchers
- Attack surface mapping teams
- Threat intel API integrations
When SecurityTrails is not a fit
- Casual users needing occasional domain lookups
- Buyers wanting transparent published pricing
- Small teams without engineering or API skills
- One-time recon tasks . free tools may suffice
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
Sources
- Recorded Future Acquires SecurityTrails in $65M Dealsecurityweek.comnews
- Recorded Future acquires SecurityTrailstechcrunch.comnews
review
review
review
- SecurityTrails Enterprise API Pricingsecuritytrails.comofficial
- SecurityTrails V2 API . List Exposuresdocs.securitytrails.comofficial
official
- Recorded Future Support . SecurityTrailssupport.recordedfuture.comofficial
review
- SecurityTrails Review . OSINT4ALLosint4all.comreview
- isMalicious vs SecurityTrailsismalicious.comreview
- DomainTools vs SecurityTrails . SourceForgesourceforge.netreview
- WhoisJSON API Alternative Blogwhoisjson.comreview
- WhoisJSON homepagewhoisjson.comofficial