# Verisys Antivirus API vs WhatWeb: side-by-side comparison (2026)

[Verisys Antivirus API](https://cybersectools.com/tools/verisys-antivirus-api) is a commercial [security scanning](https://cybersectools.com/categories/security-scanning) solution by [IONX Solutions](https://cybersectools.com/companies/ionx-solutions). [WhatWeb](https://cybersectools.com/tools/whatweb) is a free [security scanning](https://cybersectools.com/categories/security-scanning) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Verisys Antivirus API | WhatWeb |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Security Scanning | Security Scanning |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 6,054 |
| Last commit | – | Aug 2025 |
| Company | IONX Solutions | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Verisys Antivirus API | WhatWeb |
|---|---|---|
| REST API | Yes | – |
| File Analysis | Yes | – |
| Signature Based Detection | Yes | – |
| URL Scanning | Yes | – |
| Content Filtering | Yes | – |
| GDPR | Yes | – |
| TLS | Yes | – |
| Security as a Service | Yes | – |
| Anomaly Detection | Yes | – |
| AI Copilot | Yes | – |
| Scanner | – | Yes |
| Web Scanning | – | Yes |

### Core features

**Verisys Antivirus API**

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

**WhatWeb**

No features listed.

### Integrations

**Verisys Antivirus API**

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

**WhatWeb**

No integrations listed.

## Which one fits you

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

- [Verisys Antivirus API](https://cybersectools.com/tools/verisys-antivirus-api) fits if you want a cloud product.
- [WhatWeb](https://cybersectools.com/tools/whatweb) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## Verisys Antivirus API vs WhatWeb FAQ

Common questions when comparing Verisys Antivirus API vs WhatWeb for security scanning.

### What is the difference between Verisys Antivirus API and WhatWeb?

**Verisys Antivirus API**: REST API service for scanning files/URLs for malware, viruses & NSFW content. Built by IONX Solutions.

**WhatWeb**: A next-generation web scanner that identifies websites and recognizes web technologies, including content management systems, blogging platforms, and more.

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

### Who makes Verisys Antivirus API and WhatWeb?

**Verisys Antivirus API** is made by IONX Solutions founded in 2002-01-01T00:00:00.000Z. **WhatWeb** is open-source with 6,054 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Verisys Antivirus API a good alternative to WhatWeb?

Often, yes. Verisys Antivirus API and WhatWeb are both Security Scanning products. Key differences: Verisys Antivirus API is Commercial while WhatWeb is Free, WhatWeb is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Verisys Antivirus API vs Domain Verity](https://cybersectools.com/compare/domain-verity-vs-verisys-antivirus-api)
- [Verisys Antivirus API vs Aikido EOL Scanner](https://cybersectools.com/compare/aikido-eol-scanner-vs-verisys-antivirus-api)
- [Verisys Antivirus API vs Jsmon 2.0](https://cybersectools.com/compare/jsmon-20-vs-verisys-antivirus-api)
- [WhatWeb vs Domain Verity](https://cybersectools.com/compare/domain-verity-vs-whatweb)
- [WhatWeb vs Aikido EOL Scanner](https://cybersectools.com/compare/aikido-eol-scanner-vs-whatweb)
- [WhatWeb vs Jsmon 2.0](https://cybersectools.com/compare/jsmon-20-vs-whatweb)

## Alternatives to each

- [See all Verisys Antivirus API alternatives](https://cybersectools.com/alternatives/verisys-antivirus-api)
- [See all WhatWeb alternatives](https://cybersectools.com/alternatives/whatweb)

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Source: https://cybersectools.com/compare/verisys-antivirus-api-vs-whatweb

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

More on Verisys Antivirus API and WhatWeb: 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