> ## Documentation Index
> Fetch the complete documentation index at: https://doc.rapida.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Google Cloud STT

> Configure Google Cloud Speech-to-Text in assistant-api.

Google Cloud Speech-to-Text provides real-time streaming transcription with support for 100+ languages.

**Provider identifier:** `google-speech-service`

***

## Vault Credential

| Key   | Description                                    |
| ----- | ---------------------------------------------- |
| `key` | Google Cloud service account JSON (or API key) |

***

## Setup

<Steps>
  <Step title="Create a Google Cloud service account">
    In [Google Cloud Console](https://console.cloud.google.com) → **IAM & Admin → Service Accounts**, create a service account with the **Cloud Speech-to-Text User** role. Download the JSON key file.
  </Step>

  <Step title="Add to Rapida vault">
    In the Rapida dashboard → **Credentials → Create Credential**, select provider **Google**, paste the service account JSON as the value of `key`.
  </Step>

  <Step title="Configure the assistant">
    In the assistant settings → **STT Provider**, select **Google Speech**.

    | Option     | Example       | Description                                                 |
    | ---------- | ------------- | ----------------------------------------------------------- |
    | `language` | `en-US`       | BCP-47 language code                                        |
    | `model`    | `latest_long` | Model: `latest_short`, `latest_long`, `phone_call`, `video` |
  </Step>
</Steps>

***

<CardGroup cols={2}>
  <Card title="Google Cloud TTS" icon="volume" href="/opensource/services/assistant-api/tts/google">
    Google Cloud text-to-speech
  </Card>

  <Card title="STT Overview" icon="audio-waveform" href="/opensource/services/assistant-api/stt/overview">
    All STT providers
  </Card>
</CardGroup>