# Probely (Snyk API & Web) vs Source Defense Platform: 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). [Source Defense Platform](https://cybersectools.com/tools/source-defense-platform) is a commercial [runtime application self-protection](https://cybersectools.com/categories/rasp) solution by [Source Defense](https://cybersectools.com/companies/source-defense). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Probely (Snyk API & Web) | Source Defense Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Dynamic Application Security Testing | Runtime Application Self-Protection |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Probely | Source Defense |
| Headquarters | – | – |

### Use cases and capabilities

| | Probely (Snyk API & Web) | Source Defense Platform |
|---|---|---|
| DAST | Yes | – |
| Web Security | Yes | Yes |
| DevSecOps | Yes | – |
| OWASP | Yes | – |
| Security Scanning | Yes | – |

### Core features

**Probely (Snyk API & Web)**

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

**Source Defense Platform**

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

### Integrations

**Probely (Snyk API & Web)**

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

**Source Defense Platform**

No integrations listed.

## Probely (Snyk API & Web) vs Source Defense Platform FAQ

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

### What is the difference between Probely (Snyk API & Web) and Source Defense Platform?

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

**Source Defense Platform**: Client-side security platform protecting against JavaScript-based threats. Built by Source Defense.

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

### Who makes Probely (Snyk API & Web) and Source Defense Platform?

**Probely (Snyk API & Web)** is made by Probely. **Source Defense Platform** is made by Source Defense. 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 Source Defense Platform?

In part. Probely (Snyk API & Web) and Source Defense Platform are not in the same category on CybersecTools. Both cover Web Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Probely (Snyk API & Web) vs Qualys TotalAppSec](https://cybersectools.com/compare/probely-snyk-api-and-web-vs-qualys-totalappsec)
- [Probely (Snyk API & Web) vs Guardian360 Lighthouse](https://cybersectools.com/compare/guardian360-lighthouse-vs-probely-snyk-api-and-web)
- [Probely (Snyk API & Web) vs SOOS DAST](https://cybersectools.com/compare/probely-snyk-api-and-web-vs-soos-dast)
- [Source Defense Platform vs Qualys TotalAppSec](https://cybersectools.com/compare/qualys-totalappsec-vs-source-defense-platform)
- [Source Defense Platform vs Guardian360 Lighthouse](https://cybersectools.com/compare/guardian360-lighthouse-vs-source-defense-platform)
- [Source Defense Platform vs SOOS DAST](https://cybersectools.com/compare/soos-dast-vs-source-defense-platform)

## Alternatives to each

- [See all Probely (Snyk API & Web) alternatives](https://cybersectools.com/alternatives/probely-snyk-api-and-web)
- [See all Source Defense Platform alternatives](https://cybersectools.com/alternatives/source-defense-platform)

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Source: https://cybersectools.com/compare/probely-snyk-api-and-web-vs-source-defense-platform

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 Source Defense Platform: 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