We built a tool that automatically generates API tests

In plain words

Step CI is an automated API testing platform that generates tests from OpenAPI specifications, eliminating manual test writing and maintenance. It supports multiple API paradigms including REST, GraphQL, and XML in a programming-language-independent way. The CLI and test runner are open source under the MPLv2 license on GitHub, designed for developers who need to test APIs efficiently across different types and formats.

written from the facts on this page · September 2026

From the sources

Automate API Testing with our open-source API Test Automation framework

npx stepci init Import from OpenAPI Import from Postman Import from Insomnia 2. Run your workflow Using the CLI npx stepci run workflow.yml Why Step CI? Explore thefrom stepci.com

In the maker’s words, at launch

Hi, this is Mish and Sebastian. We are working on Step CI - a fully automated API testing platform for developers. Step CI works programming-language independent and for different API paradigms (REST, GraphQL, XML). Our CLI and test runner are available on GitHub (https://github.com/stepci) under the…

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  The HN community has been very supportive of our recent launches, which is why we want to give you an update. Here is what changed with the latest release: - Addition of OAuth (Client Credentials flow) and Client Certificate auth - Reusable credentials - tRPC API support - Load Testing (HTTP and gRPC) - Splitting tests across multiple files - Various bug fixes, stability improvements and UX tweaks - Improved documentation and added FastAPI integration guide We built Step CI, because we wanted a simple, developer-friendly way to automate API testing without relying on proprietary cloud…

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