VoidenHQ/voiden
Voiden is an offline, Git-native API workspace for designing, testing, and documenting APIs using plain Markdown files.

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Voiden provides a desktop and CLI API client that stores requests, tests, and documentation in plain-text .void Markdown files. It supports REST, GraphQL, WebSocket, and OpenAPI workflows with reusable blocks, scripting, and Git-based versioning. The tool also includes MCP client and tool support, enabling integration with AI agent workflows.
Frequently asked
- What is VoidenHQ/voiden?
- Voiden is an offline, Git-native API workspace for designing, testing, and documenting APIs using plain Markdown files.
- Is voiden open source?
- Yes — VoidenHQ/voiden is open source, released under the Apache-2.0 license.
- What language is voiden written in?
- VoidenHQ/voiden is primarily written in TypeScript.
- How popular is voiden?
- VoidenHQ/voiden has 1.8k stars on GitHub.
- Where can I find voiden?
- VoidenHQ/voiden is on GitHub at https://github.com/VoidenHQ/voiden.