# Probely (Snyk API & Web) vs Rexsser: side-by-side comparison (2026)

[Probely (Snyk API & Web)](https://cybersectools.com/tools/probely-snyk-api-and-web) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Probely](https://cybersectools.com/companies/probely). [Rexsser](https://cybersectools.com/tools/rexsser) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Probely (Snyk API & Web) | Rexsser |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Dynamic Application Security Testing | Dynamic Application Security Testing |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 75 |
| Last commit | – | Nov 2020 |
| Company | Probely | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Probely (Snyk API & Web) | Rexsser |
|---|---|---|
| DAST | Yes | – |
| Web Security | Yes | – |
| DevSecOps | Yes | – |
| OWASP | Yes | – |
| Security Scanning | Yes | – |
| Open Source | – | Yes |
| XSS | – | Yes |
| XSS Scanner | – | Yes |
| Regex | – | Yes |

### Core features

**Probely (Snyk API & Web)**

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

**Rexsser**

No features listed.

### Integrations

**Probely (Snyk API & Web)**

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

**Rexsser**

No integrations listed.

## Which one fits you

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

- [Probely (Snyk API & Web)](https://cybersectools.com/tools/probely-snyk-api-and-web) fits if you want a cloud product.
- [Rexsser](https://cybersectools.com/tools/rexsser) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.

## Probely (Snyk API & Web) vs Rexsser FAQ

Common questions when comparing Probely (Snyk API & Web) vs Rexsser for dynamic application security testing.

### What is the difference between Probely (Snyk API & Web) and Rexsser?

**Probely (Snyk API & Web)**: DAST scanner for discovering and testing APIs and web apps for vulns, built by Probely.

**Rexsser**: A Burp Suite plugin that extracts keywords from HTTP responses using regex patterns and tests for reflected XSS vulnerabilities within the target scope.

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

### Who makes Probely (Snyk API & Web) and Rexsser?

**Probely (Snyk API & Web)** is made by Probely. **Rexsser** is open-source with 75 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Probely (Snyk API & Web) a good alternative to Rexsser?

Often, yes. Probely (Snyk API & Web) and Rexsser are both Dynamic Application Security Testing products. Key differences: Probely (Snyk API & Web) is Commercial while Rexsser is Free, Rexsser is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Probely (Snyk API & Web) vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-probely-snyk-api-and-web)
- [Probely (Snyk API & Web) vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-probely-snyk-api-and-web)
- [Probely (Snyk API & Web) vs Guardian360 Lighthouse](https://cybersectools.com/compare/guardian360-lighthouse-vs-probely-snyk-api-and-web)
- [Rexsser vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-rexsser)
- [Rexsser vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-rexsser)
- [Rexsser vs Guardian360 Lighthouse](https://cybersectools.com/compare/guardian360-lighthouse-vs-rexsser)

## Alternatives to each

- [See all Probely (Snyk API & Web) alternatives](https://cybersectools.com/alternatives/probely-snyk-api-and-web)
- [See all Rexsser alternatives](https://cybersectools.com/alternatives/rexsser)

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Source: https://cybersectools.com/compare/probely-snyk-api-and-web-vs-rexsser

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

More on Probely (Snyk API & Web) and Rexsser: 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