Hurl vs Prism Mock
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 | Prism Mock |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 94 · Excellent | 90 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | Apache-2.0 |
| Language | Rust | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 128 MB | 128 MB |
| Deployment | binary, source | docker, binary |
| GitHub stars | ★ 19,214 | ★ 5,035 |
| First released | 2020 | 2017 |
| Replaces | Postman, Insomnia | Postman, Stoplight |
What are Hurl and Prism Mock?
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
Prism Mock
Prism is an open-source HTTP mock server and validation proxy that turns OpenAPI documents into working mock APIs. It can also validate live traffic against a specification for contract testing.
- OpenAPI-driven mocking
- Contract validation proxy
- Dynamic example responses
- CLI and Docker
Hurl vs Prism Mock: key differences
Hurl is written in Rust, while Prism Mock is built with TypeScript. Prism Mock is the more established project (first released 2017), while Hurl arrived in 2020. Hurl has the considerably larger community, at 19,214 GitHub stars versus 5,035. Prism Mock 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 Prism Mock if…
- Spec stays the source of truth
- Good for contract testing
Watch out for
- Requires an OpenAPI doc
- Mock realism is limited
Frequently asked questions
Is Hurl or Prism Mock better?
Neither is universally better. Hurl has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Hurl and Prism Mock free and open-source?
Yes. Hurl is licensed under Apache-2.0 and Prism Mock under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Hurl and Prism Mock with Docker?
Hurl: check the project docs for container support. Prism Mock: yes.