TypeSpec
A language for describing APIs and generating specifications and clients.
What it does
A language for describing APIs and generating specifications and clients.
When it fits
Maintaining an API contract that feeds multiple code generators.
Other options in this category
- Apicurio — Teams that need shared API definitions and schema governance.
- Apidog — Keeping API contracts and test workflows in one application.
- AsyncAPI — Documenting message channels, payloads, and asynchronous integrations.
- Insomnia — Exploring HTTP APIs and testing requests during development.
- Orval — Keeping frontend API calls aligned with an API specification.
Source
Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.