Alternatives to Schemathesis
An open-source property-based testing tool that generates API tests from OpenAPI and GraphQL schemas. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Schemathesis
An open-source property-based testing tool that generates API tests from OpenAPI and GraphQL schemas.
Replacements
Listings that take over the same core job as Schemathesis.
Step CI
An open-source API test automation framework that runs multi-step workflows written in YAML, JSON or JavaScript.
Step CI automates API tests in CI with imports from OpenAPI, but runs declarative multi-step workflows you write rather than generating edge-case requests from a schema.
Similar software
Related functionality, not a direct replacement.
Prism
An open-source mock server and validation proxy built from OpenAPI documents and Postman collections.
Newman
A command-line runner that executes Postman collections outside the Postman app.
Hurl
Write HTTP requests and response checks in plain text files.
Grafana k6
An open-source command-line load testing tool that runs test scripts written in JavaScript.
Swagger Editor
A browser-based editor for writing OpenAPI definitions and sending live requests to the API.
Stoplight
A web platform for designing OpenAPI descriptions, generating API documentation and running mock servers.
