Side by side
42Crunch API Security Platform vs WuppieFuzz
Both stand on api security testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIExtensionLinux+4
42Crunch combines API testing and runtime controls with discovery and contract governance for MCP servers. Its listed GraphQL limitations in CI/CD are worth checking if those workflows are required.
Visit 42Crunch API Security Platform Free plan Open source APILinuxMac+2
WuppieFuzz offers several testing modes and coverage features for OpenAPI-described REST APIs, with self-hosted deployment. Its JaCoCo reporting limit and lack of API discovery are important scope constraints.
Visit WuppieFuzzThe facts
| 42Crunch API Security Platform | WuppieFuzz | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Yes |
| Runs on | API, Extension, Linux, Mac, Self-hosted, Web, Windows | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Individual: $9 a month | Free or on request |
| Plans published | 8 | 2 |
| Maker | Not published | Not published |
| Website | 42crunch.com | github.com |
| On api security testing software | #2 of 27 | #1 of 27 |
42Crunch API Security Platform: what it does well
- OpenAPI-based static and dynamic security tests.
- Runtime micro-firewall blocks traffic outside the API contract.
- Discovers MCP servers and generates contracts for their capabilities.
- Free plan and 14-day trial are listed.
- Cloud, on-premises, and hybrid enterprise deployment options.
What to know first
- GraphQL federation is unsupported in CI/CD integration.
- Jenkins GraphQL scanning requires a separate subscription.
- Enterprise pricing is not listed.
WuppieFuzz: what it does well
- Supports black-box, grey-box, and white-box testing
- Tests authentication and input validation
- Endpoint coverage reports are available
- Grafana can display campaign request data
- Fuzzing data is not shared with TNO or third parties
What to know first
- Requires an OpenAPI specification
- Code coverage reports currently support only JaCoCo
- Deployment is self-hosted
- API discovery is not supported
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