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 isMalicious
SecurityTrails and isMalicious both land on Depends.
isMalicious
Depends
Confidence: Medium
Worth trying on the free tier if you're an indie dev or small team needing quick IP/domain reputation checks.
| Compare | SecurityTrails | isMalicious |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Bug bounty hunters | Indie devs needing quick IOC lookups |
| Who it's not for | Casual users needing occasional domain lookups | Enterprises needing battle-tested intel vendors |
| 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 | Solo founder; no support evidence |
| 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 user feedback is nearly absent; most visible posts are the founder's own promotions. |
| Biggest gotcha | Enterprise pricing is negotiate-with-sales; no list prices anywhere⁷ | Free tier caps at 30 API calls; tier prices weren't visible in reviewed sources. |
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 isMalicious when
- Indie devs needing quick IOC lookups
- Small teams adding blocklist sync
- Phishing and email triage checks
When isMalicious is not a fit
- Enterprises needing battle-tested intel vendors
- Teams requiring support SLAs or audits
- SOCs wanting peer-validated feed quality
- Buyers needing Censys-scale infrastructure data
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
- isMalicious homepageismalicious.comofficial