Voiden Stores API Specs, Tests, and Docs in a Single Markdown File

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Voiden is an offline-first, Git-native API workspace that consolidates API specifications, tests, and documentation into a single plain Markdown file stored directly in a project's repository. Unlike cloud-based tools such as Postman or Insomnia, it requires no account creation and collects no telemetry, addressing the common problem of fragmented API tooling across teams. The tool supports REST, GraphQL, gRPC, and WebSockets, and allows API requests to be written as reusable composable blocks rather than duplicated entries. Because everything lives in a plain file, documentation updates and code changes can be committed and reviewed together in the same pull request, reducing the risk of stale docs. Voiden also supports direct import from Postman, Insomnia, and OpenAPI specs, lowering the barrier to migration for existing projects.

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