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

# Seedream V4.5 — Image to Image / Edit

> Edit images with facial-feature preservation up to 4K using ByteDance+ Seedream V4.5

Edit images with high-fidelity facial feature preservation using ByteDance+ Seedream V4.5. Supports up to 10 reference images, eight aspect ratios, and resolutions up to 4K.

| Property            | Value                               |
| ------------------- | ----------------------------------- |
| **Provider**        | ByteDance+                          |
| **Model**           | Seedream V4.5                       |
| **Capability**      | Image to Image / Edit               |
| **Base Cost**       | 40,000 micro-cents/request (\$0.04) |
| **Processing Time** | \~60 seconds                        |

## Request Body

<ParamField body="model" type="string" required placeholder="bytedance-plus/seedream-v4.5/image-to-image">
  Model slug. Use `bytedance-plus/seedream-v4.5/image-to-image`.
</ParamField>

<ParamField body="input" type="object" required>
  Input parameters for image editing.

  <Expandable title="properties" defaultOpen>
    <ParamField body="prompt" type="string" required>
      Edit instruction describing the desired changes (max 5000 characters).
    </ParamField>

    <ParamField body="image_urls" type="array" required>
      Array of reference image URLs (max 10 images).
    </ParamField>

    <ParamField body="aspect_ratio" type="string" required>
      Output aspect ratio. Default: `1:1`. Options: `1:1`, `16:9`, `9:16`, `4:3`, `3:4`, `3:2`, `2:3`, `21:9`.
    </ParamField>

    <ParamField body="resolution" type="string" required>
      Output resolution. Default: `2k`. Options: `512p`, `1k`, `2k`, `4k`.
    </ParamField>
  </Expandable>
</ParamField>

<ParamField body="webhookUrl" type="string">
  HTTPS URL to receive a webhook notification when the job completes or fails.
</ParamField>

## Pricing

**Base cost:** 40,000 micro-cents per request (\$0.04)

```
finalCost = baseCost × resolution
```

| Factor         | Option | Multiplier |
| -------------- | ------ | ---------- |
| **Resolution** | `512p` | 1x         |
|                | `1k`   | 1x         |
|                | `2k`   | 1x         |
|                | `4k`   | 1x         |

<Tip>
  **Default cost:** any resolution = 40,000 × 1 = **40,000 micro-cents (\$0.04)**
</Tip>

## Response

<ResponseField name="jobId" type="string">
  Unique identifier for the submitted job.
</ResponseField>

<ResponseField name="status" type="string">
  Initial job status. Always `"pending"` on successful submission.
</ResponseField>

<ResponseField name="estimatedCompletionTime" type="string">
  ISO 8601 timestamp of the estimated completion time.
</ResponseField>

<ResponseField name="costMicroCents" type="number">
  The cost of the job in micro-cents.
</ResponseField>

## Code Examples

<CodeGroup>
  ```bash cURL theme={null}
  curl -X POST https://api.muvi.video/v1/jobs/submit \
    -H "Authorization: Bearer $PIXELBYTE_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "model": "bytedance-plus/seedream-v4.5/image-to-image",
      "input": {
        "prompt": "Make the subject wear a red jacket and add soft golden hour lighting",
        "image_urls": ["https://example.com/image.jpg"],
        "aspect_ratio": "1:1",
        "resolution": "2k"
      }
    }'
  ```

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

  response = requests.post(
      "https://api.muvi.video/v1/jobs/submit",
      headers={
          "Authorization": "Bearer YOUR_API_KEY",
          "Content-Type": "application/json"
      },
      json={
          "model": "bytedance-plus/seedream-v4.5/image-to-image",
          "input": {
              "prompt": "Make the subject wear a red jacket and add soft golden hour lighting",
              "image_urls": ["https://example.com/image.jpg"],
              "aspect_ratio": "1:1",
              "resolution": "2k"
          }
      }
  )

  data = response.json()
  print(data)
  ```

  ```javascript JavaScript theme={null}
  const response = await fetch("https://api.muvi.video/v1/jobs/submit", {
    method: "POST",
    headers: {
      "Authorization": "Bearer YOUR_API_KEY",
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      model: "bytedance-plus/seedream-v4.5/image-to-image",
      input: {
        prompt: "Make the subject wear a red jacket and add soft golden hour lighting",
        image_urls: ["https://example.com/image.jpg"],
        aspect_ratio: "1:1",
        resolution: "2k"
      }
    })
  });

  const data = await response.json();
  console.log(data);
  ```
</CodeGroup>