Hurl vs Schemathesis
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Hurl | Schemathesis |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 94 · Excellent | 88 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | MIT |
| Language | Rust | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 256 MB |
| Deployment | binary, source | docker, binary, source |
| GitHub stars | ★ 19,214 | ★ 3,622 |
| First released | 2020 | 2019 |
| Replaces | Postman, Insomnia | Postman |
What are Hurl and Schemathesis?
Hurl
Hurl is an open-source command-line tool that runs HTTP requests defined in a simple plain text format. It is used for API testing and can be integrated into self-hosted CI pipelines.
- Plain text request files
- Built-in assertions
- CI friendly
- Chained requests
Schemathesis
Schemathesis automatically generates and runs test cases against web APIs based on their OpenAPI or GraphQL schema to find bugs and spec violations. It runs locally as a CLI or Python library.
- Property-based API testing
- OpenAPI and GraphQL
- Finds spec violations
- CI integration
Hurl vs Schemathesis: key differences
Hurl is written in Rust, while Schemathesis is built with Python. Licensing differs — Apache-2.0 for Hurl versus MIT for Schemathesis. Hurl is the lighter option, starting around 128 MB of RAM against 256 MB for Schemathesis. Hurl has the considerably larger community, at 19,214 GitHub stars versus 3,622. Schemathesis lists first-class Docker deployment; Hurl does not.
Why pick each one
Choose Hurl if…
- Plain text request files
- CI-friendly and fast
- Built-in assertions
Watch out for
- No graphical interface
- Curl-style learning curve
Choose Schemathesis if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (3.6k GitHub stars)
- Written in Python
Frequently asked questions
Is Hurl or Schemathesis better?
Hurl is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Schemathesis if its specific feature set fits your needs better.
Are Hurl and Schemathesis free and open-source?
Yes. Hurl is licensed under Apache-2.0 and Schemathesis under MIT. Both can be self-hosted at no software cost.
Can I run Hurl and Schemathesis with Docker?
Hurl: check the project docs for container support. Schemathesis: yes.
Which is lighter on resources, Hurl or Schemathesis?
Hurl has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Schemathesis. Real-world usage depends on library size, user count, and enabled features.