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

# Introduction

> Generate expressive, high-quality speech with Deepdub's Text-to-Speech API

## Welcome to Deepdub

Deepdub provides a powerful Text-to-Speech API for generating natural, expressive speech with voice cloning, accent control, and real-time streaming. Whether you're building voiceover pipelines, conversational agents, or content localization workflows, Deepdub delivers studio-quality audio at scale.

### Key capabilities

<CardGroup cols={2}>
  <Card title="Text-to-Speech" icon="waveform-lines">
    Generate speech from text using state-of-the-art models with fine-grained control over tempo, variance, and duration.
  </Card>

  <Card title="Voice Cloning" icon="microphone">
    Clone any voice from a short audio sample. Upload voice prompts or pass a base64-encoded audio reference for instant cloning.
  </Card>

  <Card title="Accent Control" icon="globe">
    Blend accents between locales with precise ratio control — generate an American English speaker with a French accent, or any combination.
  </Card>

  <Card title="Real-time Streaming" icon="bolt">
    Stream audio in real-time over HTTP or WebSocket connections for low-latency applications.
  </Card>
</CardGroup>

## Try it now

Use the free trial API key to generate speech instantly — no sign-up required:

```
dd-00000000000000000000000065c9cbfe
```

<Tabs>
  <Tab title="Python">
    ```python theme={null}
    from deepdub import DeepdubClient

    client = DeepdubClient(api_key="dd-00000000000000000000000065c9cbfe")

    audio = client.tts(
        text="Welcome to Deepdub!",
        voice_prompt_id="bd1b00bb-be1c-4679-8eaa-0fcbfd4ff773",
        model="dd-etts-3.0",
        locale="en-US",
    )

    with open("output.mp3", "wb") as f:
        f.write(audio)
    ```
  </Tab>

  <Tab title="JavaScript">
    ```javascript theme={null}
    const { DeepdubClient } = require("@deepdub/node");

    async function main() {
      const deepdub = new DeepdubClient("dd-00000000000000000000000065c9cbfe");
      await deepdub.connect();

      await deepdub.generateToFile("./output.wav", "Welcome to Deepdub!", {
        locale: "en-US",
        voicePromptId: "bd1b00bb-be1c-4679-8eaa-0fcbfd4ff773",
        model: "dd-etts-3.0",
      });
    }

    main();
    ```
  </Tab>
</Tabs>

## API access

Deepdub offers two integration methods:

| Method            | Endpoint                            | Use case                                        |
| ----------------- | ----------------------------------- | ----------------------------------------------- |
| **REST API**      | `https://restapi.deepdub.ai/api/v1` | Streaming audio generation, voice management    |
| **WebSocket API** | `wss://wsapi.deepdub.ai`            | Real-time streaming with chunked audio delivery |

## Quick links

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Get up and running with your first TTS generation in minutes.
  </Card>

  <Card title="Voice Presets" icon="headphones" href="/voice-presets">
    Browse ready-to-use voice presets across 6 languages.
  </Card>

  <Card title="Python SDK" icon="python" href="/sdk">
    Install the Python SDK and start generating speech.
  </Card>

  <Card title="JavaScript SDK" icon="js" href="/sdk-javascript">
    Install the Node.js SDK with real-time streaming support.
  </Card>

  <Card title="REST API Reference" icon="code" href="/api-reference/tts/generate-and-stream-tts-audio">
    Explore the full REST API with interactive playground.
  </Card>

  <Card title="WebSocket API" icon="plug" href="/api-reference/websocket/overview">
    Stream audio in real-time with chunked delivery.
  </Card>
</CardGroup>