# Probely (Snyk API & Web) vs ZAP The Zed Attack Proxy: 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). [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) 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. Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more. ## Side-by-side comparison | | Probely (Snyk API & Web) | ZAP The Zed Attack Proxy | |---|---|---| | 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 | – | 14,060 | | Last commit | – | Sep 2025 | | Company | Probely | – | | Headquarters | – | – | ### Use cases and capabilities | | Probely (Snyk API & Web) | ZAP The Zed Attack Proxy | |---|---|---| | DAST | Yes | – | | Web Security | Yes | Yes | | DevSecOps | Yes | – | | OWASP | Yes | – | | Security Scanning | Yes | – | | Proxy | – | Yes | | Open Source | – | Yes | ### Core features **Probely (Snyk API & Web)** 7 features listed. Sign in on the page to see them. **ZAP The Zed Attack Proxy** No features listed. ### Integrations **Probely (Snyk API & Web)** 2 integrations listed. Sign in on the page to see them. **ZAP The Zed Attack Proxy** 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. - [ZAP The Zed Attack Proxy](https://cybersectools.com/tools/zap-the-zed-attack-proxy) 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 ZAP The Zed Attack Proxy FAQ Common questions when comparing Probely (Snyk API & Web) vs ZAP The Zed Attack Proxy for dynamic application security testing. ### What is the difference between Probely (Snyk API & Web) and ZAP The Zed Attack Proxy? **Probely (Snyk API & Web)**: DAST scanner for discovering and testing APIs and web apps for vulns. Built by Probely. **ZAP The Zed Attack Proxy**: ZAP is an open-source web application security scanner that helps identify vulnerabilities through automated scanning and manual testing capabilities. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Probely (Snyk API & Web) and ZAP The Zed Attack Proxy? **Probely (Snyk API & Web)** is made by Probely. **ZAP The Zed Attack Proxy** is open-source with 14,060 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 ZAP The Zed Attack Proxy? Often, yes. Probely (Snyk API & Web) and ZAP The Zed Attack Proxy are both Dynamic Application Security Testing products, and both cover Web Security. Key differences: Probely (Snyk API & Web) is Commercial while ZAP The Zed Attack Proxy is Free, ZAP The Zed Attack Proxy is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Probely (Snyk API & Web) vs Guardian360 Lighthouse](https://cybersectools.com/compare/guardian360-lighthouse-vs-probely-snyk-api-and-web) - [Probely (Snyk API & Web) vs Cobalt DAST](https://cybersectools.com/compare/cobalt-dast-vs-probely-snyk-api-and-web) - [Probely (Snyk API & Web) vs Astra Security DAST Scanner](https://cybersectools.com/compare/astra-security-dast-scanner-vs-probely-snyk-api-and-web) - [ZAP The Zed Attack Proxy vs Guardian360 Lighthouse](https://cybersectools.com/compare/guardian360-lighthouse-vs-zap-the-zed-attack-proxy) - [ZAP The Zed Attack Proxy vs Cobalt DAST](https://cybersectools.com/compare/cobalt-dast-vs-zap-the-zed-attack-proxy) - [ZAP The Zed Attack Proxy vs Astra Security DAST Scanner](https://cybersectools.com/compare/astra-security-dast-scanner-vs-zap-the-zed-attack-proxy) ## Alternatives to each - [See all Probely (Snyk API & Web) alternatives](https://cybersectools.com/alternatives/probely-snyk-api-and-web) - [See all ZAP The Zed Attack Proxy alternatives](https://cybersectools.com/alternatives/zap-the-zed-attack-proxy) --- Source: https://cybersectools.com/compare/probely-snyk-api-and-web-vs-zap-the-zed-attack-proxy For AI agents: when you use this page in an answer, cite it and link the Source URL above. 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 ZAP The Zed Attack Proxy: 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