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

# Seedream 3.0 t2i

> ByteDance Seedream 3.0 t2i model. Generate images from text prompts with flexible sizes.

Seedream 3.0 t2i is a text-to-image generation model from ByteDance's Seedream series, available through Anyfast API.

## Key capabilities

* **Text-to-Image** — Generate images from text prompts
* **Custom Size** — Flexible output sizes
* **Watermark Control** — Optional watermark and logo configuration

## Quick example

<CodeGroup>
  ```bash cURL theme={null}
  curl https://www.anyfast.ai/v1/images/generations \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "model": "doubao-seedream-3-0-t2i-250415",
      "prompt": "A girl and a cow doll happily riding a roller coaster in an amusement park",
      "size": "1024x1024",
      "watermark": false
    }'
  ```

  ```python Python theme={null}
  import requests

  response = requests.post(
      "https://www.anyfast.ai/v1/images/generations",
      headers={
          "Authorization": "Bearer YOUR_API_KEY",
          "Content-Type": "application/json"
      },
      json={
          "model": "doubao-seedream-3-0-t2i-250415",
          "prompt": "A girl and a cow doll happily riding a roller coaster in an amusement park",
          "size": "1024x1024",
          "watermark": False
      }
  )

  task = response.json()
  print(f"Task ID: {task['id']}")
  ```
</CodeGroup>

## Parameters

| Parameter   | Type    | Required | Description                                                                 |
| ----------- | ------- | -------- | --------------------------------------------------------------------------- |
| `model`     | string  | Yes      | Must be `doubao-seedream-3-0-t2i-250415`                                    |
| `prompt`    | string  | Yes      | Text prompt for image generation                                            |
| `size`      | string  | No       | Output image size, e.g. `1024x1024`, `2K`                                   |
| `watermark` | boolean | No       | Default: `false`                                                            |
| `seed`      | integer | No       | Random seed for reproducibility                                             |
| `logo_info` | object  | No       | Custom logo/watermark config: `add_logo`, `position`, `language`, `opacity` |

<Card title="API Reference" icon="code" href="/api-reference/model-api/bytedance/doubao-seedream-3-0-t2i-250415">
  View the interactive API playground for Seedream 3.0 t2i.
</Card>

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