shouldiuse.io

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Should I Use isMalicious?

ismalicious.com·Analyzed 9 hours ago··Based on 10 sources

Check IPs, domains, URLs, emails, phones and crypto wallets against indexed threat indicators. Streaming reports, blocklist API, free API key.

Depends

Depends

Worth trying on the free tier if you're an indie dev or small team needing quick IP/domain reputation checks.

Free-tier threat intel API from a 2024 solo founder. Fine to test; zero reviews make paid commitments risky.

Confidence: Medium

0.0

G2 rating

Zero reviews on G2

Yes

Free tier

30 API calls

2024

Founded

France-based

50M+

Blocked indicators

Vendor-reported, unverified

Value for money4

Free tier; positioned against $24k/yr Cyren

Feature depth4

IPs, domains, emails, wallets, CVE scanner, blocklist API

Security posture3

Security page exists; no audit evidence

Pros

  • Free tier: 30 API calls to start⁷
  • Covers IPs, domains, URLs, emails, phones, crypto wallets¹
  • Blocklist API supports daily sync into existing defenses
  • OpenCTI integration for feeding a threat intel platform10
  • Positioned as budget alternative to $24,000/year Cyren⁶

Cons

  • Zero G2 reviews; no independent validation³
  • Solo-developer project, founded only 2024⁴
  • Typical customer is individuals, not organizations⁶
  • Provider disagreements on detections require your own analysis
  • Case studies are self-published, unverified

Gotchas

  • mediumFree tier caps at 30 API calls; tier prices weren't visible in reviewed sources.⁷
  • mediumOne-person company: support depth and continuity depend entirely on the founder.⁴
  • mediumYoung vendor (2024); security review and procurement may stall on track record.⁵
  • low'50M blocked' style metrics are vendor self-reported, unverified.¹

Best for

  • Indie devs needing quick IOC lookups
  • Small teams adding blocklist sync
  • Phishing and email triage checks

Not for

  • Enterprises needing battle-tested intel vendors
  • Teams requiring support SLAs or audits
  • SOCs wanting peer-validated feed quality
  • Buyers needing Censys-scale infrastructure data

Pricing

Free

$0

  • 30 API calls
  • IP, domain, email, wallet lookups

Paid plans

Not disclosed

  • Described only as 'simple plans for every teams'

Security

No known public vulnerabilities found in the sources reviewed.

What users say

Independent user feedback is nearly absent; most visible posts are the founder's own promotions.

Alternatives

Compare isMalicious with each alternative.

Full analysis

Based on ~20 public sources; zero independent reviews found, so reliability claims rest mostly on vendor material.

Sources

  1. isMalicious homepageismalicious.com
    official
  2. isMalicious Reviews 2026 — G2g2.com
    review
  3. G2 seller page — 0 reviewsg2.com
    review
  4. I built isMalicious — Reddit r/SideProjectreddit.com
    review
  5. isMalicious: founded 2024, France — Mandosmandos.io
    news
  6. Cyren vs isMalicious — Data443data443.com
    news
  7. isMalicious vs Criminal IPismalicious.com
    official
  8. Pricing — isMaliciousismalicious.com
    official
  9. Product security pageismalicious.com
    security
  10. isMalicious — OpenCTI Integrations, XTM Hubhub.filigran.io
    official

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