Circe

Circe is a highly popular, type-safe, and functional JSON serialization and deserialization library for Scala. It provides a robust, performant, and composable way to work with JSON data, deeply integrating with the Cats functional programming library to offer expressive and compile-time checked…

Key facts

First appeared
2015
Category
technology
Problem solved
Circe was created to address the need for a modern, type-safe, and purely functional JSON library in Scala that offered robust error handling, performance, and strong integration with the growing Typelevel ecosystem. Earlier libraries often relied on macros that could be brittle, lacked full type safety for complex data structures, or weren't as composable in a functional style, making JSON manipulation cumbersome and error-prone.
Platforms
JVM, Scala Native, Scala.js

Related technologies

Notable users

  • Many companies utilizing Scala for backend microservices, data processing, and APIs. Specific public users are hard to list due to internal library usage.