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Tinspec documentation

A request workbench for backend developers. Point it at your OpenAPI document and the endpoints are just there — live-bound, not imported once and left to rot.

Everything here describes Tinspec v0.1.0-preview.9, released 2026-09-09 — the build you get today from tinspec.dev/download. Nothing on these pages is a plan or a preview of unreleased work. If a feature is not in that build, it is not documented here.

Requests are sent by a Rust engine running inside the app, not by a browser tab. That is the whole reason Tinspec is native: a browser cannot reach localhost, cannot speak native gRPC, and is stopped by CORS. A local process makes all three ordinary.

The desktop app is free and works fully offline with no account, and nothing you send is proxied through a Tinspec server. The source is not public yet — Local & cloud covers where that stands, and what the separate paid tier (cloud sync, teams, tunnels) adds.