The story of migrating a (not so) REST API to GraphQL – the Deezer experience

At Deezer, we decided to move from a homegrown (not really REST) API to GraphQL. Why? That&rsquo;s not the point here. I&rsquo;m focusing on the how. Here&rsquo;s an account of how we managed this large-scale migration and some of the challenges we faced. Conflict of interest disclosure: Deezer is my employer &#x1f61b; for 10 years now. This is a talk I gave at the GraphQL Paris meetup in October…