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NVIDIA provides text-to-speech through the NVIDIA Cloud Functions (NVCF) API, offering enterprise-grade neural voice synthesis. Voices are served from NVIDIA’s inference infrastructure with high throughput. Provider identifier: nvidia

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Vault Credentials

KeyDescription
keyNVIDIA API key from nvidia.com
function_idNVCF Function ID for the TTS model endpoint

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Setup

1

Get NVIDIA API credentials

Sign in at build.nvidia.com → API Keys to generate your API key. Navigate to the TTS model card to find the corresponding NVCF Function ID.
2

Add to Rapida vault

In the Rapida dashboard → Credentials → Create Credential, select provider NVIDIA, enter key = your API key and function_id = your NVCF Function ID.
3

Configure the assistant

In the assistant settings → TTS Provider, select NVIDIA.
OptionExampleDescription
voice_idEnglish-US.Female-1NVIDIA voice identifier (e.g. English-US.Female-1, English-US.Male-1)
languageen-USLanguage code: en-US, en-GB, es-ES, fr-FR, de-DE, and more
Browse available voices and models in the NVIDIA NIM catalog.

NVIDIA STT

NVIDIA speech recognition via NVCF

TTS Overview

All TTS providers