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Google Cloud Text-to-Speech offers WaveNet and Neural2 voices across 100+ languages and variants. Provider identifier: google-speech-service

Vault Credential

KeyDescription
keyGoogle Cloud service account JSON

Setup

1

Create a Google Cloud service account

In Google Cloud ConsoleIAM & Admin → Service Accounts, create a service account with the Cloud Text-to-Speech User role. Download the JSON key file.
2

Add to Rapida vault

In the Rapida dashboard → Credentials → Create Credential, select provider Google, paste the service account JSON as key.The same credential is used for both Google Cloud STT and TTS.
3

Configure the assistant

In the assistant settings → TTS Provider, select Google Speech.
OptionExampleDescription
languageen-USBCP-47 language code
voice_nameen-US-Neural2-AVoice name — see voice list
speaking_rate1.0Speed multiplier (0.25–4.0)
pitch0.0Pitch adjustment in semitones (-20.0–20.0)