Posting 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 | Posting | Schemathesis |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 76 · Good | 88 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | MIT |
| Language | Python | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 256 MB |
| Deployment | binary, source | docker, binary, source |
| GitHub stars | ★ 12,443 | ★ 3,622 |
| First released | 2024 | 2019 |
| Replaces | Postman, Insomnia | Postman |
What are Posting and Schemathesis?
Posting
Posting is an open-source terminal-based HTTP client for building and sending API requests. It stores collections as YAML files for easy version control and integrates with command-line workflows.
- Terminal HTTP client
- YAML collections
- Keyboard driven
- Scriptable 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
Posting vs Schemathesis: key differences
Both projects are written in Python. Licensing differs — Apache-2.0 for Posting versus MIT for Schemathesis. Posting is the lighter option, starting around 128 MB of RAM against 256 MB for Schemathesis. Schemathesis is the more established project (first released 2019), while Posting arrived in 2024. Posting has the considerably larger community, at 12,443 GitHub stars versus 3,622. Schemathesis lists first-class Docker deployment; Posting does not.
Why pick each one
Choose Posting if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- Mature project with 12.4k GitHub stars
- Written in Python
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 Posting or Schemathesis better?
Posting 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 Posting and Schemathesis free and open-source?
Yes. Posting is licensed under Apache-2.0 and Schemathesis under MIT. Both can be self-hosted at no software cost.
Can I run Posting and Schemathesis with Docker?
Posting: check the project docs for container support. Schemathesis: yes.
Which is lighter on resources, Posting or Schemathesis?
Posting 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.