Caliban

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Caliban is a purely functional library for building GraphQL servers and clients in Scala.

The design principles behind the library are the following:

  • minimal amount of boilerplate: no need to manually define a schema for every type in your API.
  • pure interface: errors and effects are returned explicitly (no exceptions thrown), all returned types are referentially transparent (no Future).
  • clean separation between schema definition and implementation: schema is defined and validated at compile time using Scala standard types, resolver (RootResolver) is a simple value provided at runtime.

Consult the Documentation to learn how to use Caliban.

Any questions? Head up to the #caliban channel on ZIO Discord.