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Hephaestus is an open-source framework that replaces scattered pre/post-request scripts in Postman with a single, version-controlled engine.
Each request contains only a small override config. The engine handles everything: 20+ assertion operators, snapshot regression, JSON Schema, OAuth2, secret masking, and retries.
Ships with 10+ CLI tools: HTML reports, JUnit XML, run comparisons, watch mode, docs generator, and Docker support. Zero npm dependencies. MIT licensed.
HephaestusModular API testing engine for Postman — zero dependencies
Igor Bogdanovleft a comment
Hey Product Hunt! I'm Igor, a QA engineer who got tired of copy-pasting the same assertion boilerplate across hundreds of Postman requests. Hephaestus started as an internal tool to bring consistency to our API test collections. The idea is simple: instead of writing custom scripts per request, you declare what you expect in a small override config, and the engine does the rest — assertions,...
HephaestusModular API testing engine for Postman — zero dependencies