"Building an OpenAPI from Typescript" by Javi Velasco - DevBreak 2021

This talk was part of the 2021 edition of DevBreak festival by talent.io

"The web is built on top of RESTful APIs. The way we build Apps usually involves consuming a RESTful API that we communicate with over HTTP. We design contracts for those APIs to define the way they work and, to have a formal spec for them, the Swagger IDL was proposed back in 2011 to become the OpenAPI Spec in 2016.

In this talk, we will explore the reasoning behind having an OpenAPI Spec at Vercel and what are exactly the problems it solves. We will see how we built a static analyser tool that allowed us to infer a Spec from the implementation of our APIs and how we integrated it using Vercel in our workflow to get alerted on API changes."

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