Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
Free and open source
Open sourceFrom $19 per user (one-time, Golden Edition)
Free tierWhat drives the bill
The metric that actually scales your invoice.
Free and open source. You pay in engineering time and CI minutes.
The core is free and open source. A small one-time fee unlocks convenience features; an enterprise edition exists separately.
Free tier
Everything, self-hosted
The open-source app and CLI are free and fully functional offline.
Open source
MPL-2.0
MIT (core)
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Emerging
Step CI · since 2022
Widely used
Bruno Software · since 2023
Strengths
Limitations
Best for
Small teams wanting declarative, repo-versioned API checks in CI.
Engineering teams that want API tests versioned alongside the code they test.
All of these integrate with: GitHub Actions, OpenAPI.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.