Seamless

Generate optimized RPC client or server bindings from existing public API methods at compile time.

Flexible

Customize data serialization, remote API function names, RPC protocol errors and authentication.

Modular

Choose plugins for RPC protocol, effect handling, transport protocol and message format.

Permissive

Use dynamic message payload and transparently access transport protocol metadata.

Discoverable

Consume and provide OpenRPC 1.3+ or OpenAPI 3.1+ schemas using API discovery functions.

Compatible

Supports Scala 3.3+ and 2.13+ on JRE 11+ and integrates with various popular libraries.

RPC protocols

• JSON-RPC
• Web-RPC

Transport protocols

• HTTP
• WebSocket
• AMQP

Effect handling

• Asynchronous
• Synchronous
• Monadic