NVIDIA TTS NIM Microservice API References#

The TTS NIM microservice exposes two APIs for speech synthesis: a gRPC API based on protocol buffers for batch and streaming synthesis, and a WebSocket-based realtime API for low-latency interactive use cases such as conversational agents.

gRPC Protobuf API

Protocol buffer definitions for the RivaSpeechSynthesis gRPC service, including batch and streaming text-to-speech methods.

gRPC API Reference
Realtime WebSocket API

WebSocket event-based API reference for real-time text streaming and speech synthesis.

Realtime API Reference