openapi
OpenAPI & AsyncAPI $ref: Advanced Guide
Master the use of $ref in OpenAPI and AsyncAPI to manage complex YAML/JSON documents, reduce merge conflicts, and streamline your API descriptions.
codegen
Generate a TypeScript REST API client with Fern
Generate TypeScript client code easily with Fern, an automated tool that builds SDKs for major languages, Postman Collections, and OpenAPI definitions. Avoid the slow and brittle manual process, and publish directly to package repositories like NPM.
api-design
How to Capture Quite a Lot of API Traffic
When rewriting an API, it's critical to make sure you don't change the shape of your inputs and outputs unexpectedly. After all, API specs are called contracts for a reason. This article outlines an approach to capturing API traffic using Optic for just this purpose.
openapi
Turn HTTP Traffic into OpenAPI with Optic
Capture real HTTP traffic from production or anywhere else, and create OpenAPI from it, for documentation, mocks, SDKs, or contract testing.