> ## 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.

# AWS Polly TTS

> Configure AWS Polly text-to-speech via HTTP in assistant-api.

AWS Polly provides cloud text-to-speech synthesis via Amazon Web Services. It supports neural, standard, and generative engine tiers with a broad library of voices across dozens of languages.

**Provider identifier:** `aws`

***

## Vault Credentials

| Key                 | Description                                                 |
| ------------------- | ----------------------------------------------------------- |
| `access_key_id`     | AWS Access Key ID from your IAM user or role                |
| `secret_access_key` | AWS Secret Access Key corresponding to the Access Key ID    |
| `region`            | AWS region where Polly requests are sent (e.g. `us-east-1`) |

***

## Setup

<Steps>
  <Step title="Create AWS credentials with Polly access">
    In the [AWS IAM console](https://console.aws.amazon.com/iam/) → **Users → Create User** → attach the `AmazonPollyReadOnlyAccess` policy (or a scoped custom policy). Generate an access key pair under **Security credentials**.
  </Step>

  <Step title="Add to Rapida vault">
    In the Rapida dashboard → **Credentials → Create Credential**, select provider **AWS**, enter `access_key_id`, `secret_access_key`, and `region`.
  </Step>

  <Step title="Configure the assistant">
    In the assistant settings → **TTS Provider**, select **AWS Polly**.

    | Option     | Example  | Description                                                                                                       |
    | ---------- | -------- | ----------------------------------------------------------------------------------------------------------------- |
    | `model`    | `neural` | Engine: `neural`, `standard`, `generative`                                                                        |
    | `voice_id` | `Joanna` | Polly voice ID (e.g. `Joanna`, `Matthew`, `Amy`, `Brian`, `Ivy`, `Justin`, `Kendra`, `Kimberly`, `Salli`, `Joey`) |
    | `language` | `en-US`  | Language code: `en-US`, `en-GB`, `es-ES`, `fr-FR`, `de-DE`, `it-IT`, `ja-JP`, `pt-BR`, and more                   |

    See the full list of voices in the [AWS Polly voice documentation](https://docs.aws.amazon.com/polly/latest/dg/voicelist.html).
  </Step>
</Steps>

***

<CardGroup cols={2}>
  <Card title="AWS Transcribe STT" icon="waveform" href="/opensource/services/assistant-api/stt/aws">
    AWS speech-to-text with Transcribe
  </Card>

  <Card title="TTS Overview" icon="volume" href="/opensource/services/assistant-api/tts/overview">
    All TTS providers
  </Card>
</CardGroup>