# SecurityTrails API vs Unit221B eWitness: side-by-side comparison (2026)

[SecurityTrails API](https://cybersectools.com/tools/securitytrails) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Recorded Future](https://cybersectools.com/companies/recorded-future). [Unit221B eWitness](https://cybersectools.com/tools/unit221b-ewitness) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Unit 221B](https://cybersectools.com/companies/unit-221b). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms) picks Recorded Future Threat Intelligence, Google Threat Intelligence, CrowdStrike Falcon Adversary Intelligence and 4 more.

## Side-by-side comparison

| | SecurityTrails API | Unit221B eWitness |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Intel Platforms | Threat Intel Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Enterprise, Mid-Market |
| Company | Recorded Future | Unit 221B |
| Headquarters | – | – |

### Use cases and capabilities

| | SecurityTrails API | Unit221B eWitness |
|---|---|---|
| DNS Security | Yes | – |
| IP Lookup | Yes | – |
| Reconnaissance | Yes | – |
| Subdomain Enumeration | Yes | – |
| Cyber Threat Intelligence | Yes | Yes |
| Investigation | Yes | Yes |
| REST API | Yes | – |
| Attack Paths | Yes | – |
| Threat Research | – | Yes |
| Security Research | – | Yes |
| Dark Web Monitoring | – | Yes |
| Threat Feed | – | Yes |

### Core features

**SecurityTrails API**

9 features listed. Sign in on the page to see them.

**Unit221B eWitness**

5 features listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [SecurityTrails API](https://cybersectools.com/tools/securitytrails) fits if you are a small business.

## SecurityTrails API vs Unit221B eWitness FAQ

Common questions when comparing SecurityTrails API vs Unit221B eWitness for threat intel platforms.

### What is the difference between SecurityTrails API and Unit221B eWitness?

**SecurityTrails API**: API platform providing historical DNS, WHOIS, and IP data for security research. Built by Recorded Future.

**Unit221B eWitness**: Threat intel platform for discovering cybercrime on encrypted chat networks. Built by Unit 221B.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes SecurityTrails API and Unit221B eWitness?

**SecurityTrails API** is made by Recorded Future. **Unit221B eWitness** is made by Unit 221B. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is SecurityTrails API a good alternative to Unit221B eWitness?

Often, yes. SecurityTrails API and Unit221B eWitness are both Threat Intel Platforms products, and both cover Investigation, Cyber Threat Intelligence. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SecurityTrails API vs Validin](https://cybersectools.com/compare/securitytrails-vs-validin)
- [SecurityTrails API vs Nucleon Cyber AGTI Platform](https://cybersectools.com/compare/nucleon-cyber-agti-platform-vs-securitytrails)
- [SecurityTrails API vs Ninja Signal](https://cybersectools.com/compare/ninja-signal-vs-securitytrails)
- [Unit221B eWitness vs Validin](https://cybersectools.com/compare/unit221b-ewitness-vs-validin)
- [Unit221B eWitness vs Nucleon Cyber AGTI Platform](https://cybersectools.com/compare/nucleon-cyber-agti-platform-vs-unit221b-ewitness)
- [Unit221B eWitness vs Ninja Signal](https://cybersectools.com/compare/ninja-signal-vs-unit221b-ewitness)

## Alternatives to each

- [See all SecurityTrails API alternatives](https://cybersectools.com/alternatives/securitytrails)
- [See all Unit221B eWitness alternatives](https://cybersectools.com/alternatives/unit221b-ewitness)

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Source: https://cybersectools.com/compare/securitytrails-vs-unit221b-ewitness

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/securitytrails.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on SecurityTrails API and Unit221B eWitness: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md