How to represent optional fields in spray-json?

Question

I have an optional field on my requests:

case class SearchRequest(url: String, nextAt: Option[Date])

My protocol is:

object Sea         


        

Answer 1

Use NullOptions trait to disable skipping nulls: https://github.com/spray/spray-json#nulloptions Example: https://github.com/spray/spray-json/blob/master/src/test/scala/spray/json/ProductFormatsSpec.scala