SHSelfHostIndex

Prism Mock 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.

Not the right match-up?
PR Prism Mock OpenAPI-driven mock server and contract validation proxy VS PO Posting Powerful HTTP client that lives in your terminal
FeaturePrism MockPosting
CategoryDeveloper Tools & GitDeveloper Tools & Git
LicenseApache-2.0Apache-2.0
LanguageTypeScriptPython
Setup difficultyEasyEasy
Min. RAM128 MB128 MB
Deploymentdocker, binarybinary, source
GitHub stars★ 5,002★ 12,238
First released20172024
ReplacesPostman, StoplightPostman, Insomnia

Why pick each one

Choose Prism Mock if…

  • Spec stays the source of truth
  • Good for contract testing
Prism Mock details

Choose Posting if…

  • Released under the Apache-2.0 license
  • Easy to set up — beginner-friendly
  • Mature project with 12.2k GitHub stars
  • Written in Python
Posting details

Frequently asked questions

Is Prism Mock or Posting better?

Neither is universally better. Posting has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are Prism Mock and Posting free and open-source?

Yes. Prism Mock is licensed under Apache-2.0 and Posting under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Prism Mock and Posting with Docker?

Prism Mock: yes. Posting: check the project docs for container support.

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