Thank you Li! `ujson.Value` is in chapter 8.1.1. of your excellent Hands-On Scala book I've bought. Turns out for arbitrary JSON you can do this: val rawDa

Thank you Li! `ujson.Value` is in chapter 8.1.1. of your excellent Hands-On Scala book I've bought. Turns out for arbitrary JSON you can do this: val rawData = read[ujson.Value](JSONstring) For JSON where you know most of the structure but have mixed types for object values: https://jsonplaceholder.typicode.com/todos https://jsonplaceholder.typicode.com/todos val todoData = read[Seq[Map[String,ujson.Value]]](todoJSON)