We parse JSON all the time, there are even ways to generate an JSON-parser-in-Elm for you based on an example! What we do, is leave this up to generated code.

We parse JSON all the time, there are even ways to generate an JSON-parser-in-Elm for you based on an example! What we do, is leave this up to generated code. We have OpenAPIv3 specs for our APIs and we use the OpenAPIv3-Elm-client-generator to generate the client so we do not deal with JSON parsing etc. ourselves.