Design, Test and Document APIs in plain Markdown. Compose Requests with API blocks. Reuse, Replace & Version everything just like code. Offline, Truly Git Native, No Lock-in.
Voiden is an offline API workspace that stores requests, tests, documentation, and reusable API components in plain-text Markdown-based files managed with Git. Developers, QA engineers, and technical writers use it to build, test, document, script, and collaborate on APIs.
Latest release v2.3.2 — Voiden v2.3.2 · 9 Oct 2026
2 files for Claude Code and Codex: plugin-release-check, release-changelog .
.agents/skills/plugin-release-check/SKILL.md A 71 tok .agents/skills/release-changelog/SKILL.md A 99 tok These files are VoidenHQ/voiden's own configuration — they tell Claude Code and Codex how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.