TypeSpec.io is a powerful API definition language designed to meet the evolving needs of API developers. It is a platform that enables abstraction, encourages code reuse, and leverages modern tooling for rapid development. TypeSpec can describe APIs using any protocol or serialization format with concise syntax, great editor tooling, and can compile to standards compliant OpenAPI, JSON Schema, or Protobuf. It focuses on interoperability, productivity, API patterns, familiarity, and extensibility. Used at Microsoft, TypeSpec revolutionizes API development and is open source for community collaboration. TypeSpec is a versatile tool that can adapt to various development scenarios, leading to more efficient and high-quality end products.
https://typespec.io/blog/2024-04-25-introducing