Platforms

kotlinx.rpc is a KMP library, so we aim to support all available platforms. However, we are also a multi-module library, meaning that some modules may not support some platforms. Current high-level status:

Subsystem	Supported Platforms	Notes
Core	Jvm, Js, WasmJs, WasmWasi, Apple, Linux, Windows
kRPC	Jvm, Js, WasmJs, Apple, Linux, Windows	WasmWasi is blocked by kotlin-logging.
gRPC	Jvm, Android, Apple, Linux

The following table contains a list of all published modules and their supported platforms.

Module	Jvm	Js	Wasm	Native
core	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
utils	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
grpc-client	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
grpc-core	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
grpc-ktor-server	jvm	-	-	apple macos macosArm64 macosX64 linux linuxArm64 linuxX64
grpc-marshaller	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
grpc-marshaller-kotlinx-serialization	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
grpc-server	jvm	-	-	apple macos macosArm64 macosX64 linux linuxArm64 linuxX64
krpc-client	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-core	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-logging	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-server	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
protobuf-api	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
protobuf-core	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
protobuf-wkt	jvm	-	-	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64
krpc-ktor-client	jvm	browser node	wasmJs browser node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-ktor-core	jvm	browser node	wasmJs browser node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-ktor-server	jvm	browser node	wasmJs browser node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-serialization-cbor	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-serialization-core	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-serialization-json	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64
krpc-serialization-protobuf	jvm	browser node	wasmJs browser node wasmWasi node	apple ios iosArm64 iosSimulatorArm64 iosX64 macos macosArm64 macosX64 watchos watchosArm32 watchosArm64 watchosDeviceArm64 watchosSimulatorArm64 watchosX64 tvos tvosArm64 tvosSimulatorArm64 tvosX64 linux linuxArm64 linuxX64 windows mingwX64

We are working on making the library more portable so that it can be used on more platforms.

Last modified: 12 March 2026