Keploy vs Posting
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Keploy | Posting |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 95 · Excellent | 76 · Good |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Python |
| Setup difficulty | Medium | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker, binary | binary, source |
| GitHub stars | ★ 18,479 | ★ 12,443 |
| First released | 2022 | 2024 |
| Replaces | Postman | Postman, Insomnia |
What are Keploy and Posting?
Keploy
Keploy is an open-source testing toolkit that records API calls and database interactions to automatically generate test cases and data mocks. It is self-hosted as a CLI and server for backend testing.
- Tests from real traffic
- Auto-generated mocks
- CI integration
- No code changes needed
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
Keploy vs Posting: key differences
Keploy is written in Go, while Posting is built with Python. Posting is the lighter option, starting around 128 MB of RAM against 256 MB for Keploy. Keploy is the more established project (first released 2022), while Posting arrived in 2024. Keploy lists first-class Docker deployment; Posting does not.
Why pick each one
Choose Keploy if…
- Tests from real traffic
- Automatic mock generation
- CI-friendly CLI
Watch out for
- Linux-centric capture
- Setup varies per stack
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
Frequently asked questions
Is Keploy or Posting better?
Neither is universally better. Keploy has the larger community, while Posting is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Keploy and Posting free and open-source?
Yes. Keploy is licensed under Apache-2.0 and Posting under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Keploy and Posting with Docker?
Keploy: yes. Posting: check the project docs for container support.
Which is lighter on resources, Keploy or Posting?
Posting has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Keploy. Real-world usage depends on library size, user count, and enabled features.