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

# Vidu Q3 Pro Image-to-Video

Vidu Q3 Pro Image-to-Video converts static images into dynamic videos, generating natural motion and smoother scene dynamics while maintaining subject consistency.

<Tip>
  This is an **async** API that only returns the task\_id of the async task. Use the task\_id to call the [Get Async Task Result API](/docs/models/reference-get-async-task-result) to retrieve the generated result.
</Tip>

## Request Headers

<ParamField header="Content-Type" type="string" required={true}>
  Enum: `application/json`
</ParamField>

<ParamField header="Authorization" type="string" required={true}>
  Bearer authentication format: Bearer \{\{API Key}}.
</ParamField>

## Request Body

<ParamField body="seed" type="integer">
  Random seed for reproducible generation; set to 0 or omit for random generation.

  Range: \[0, 2147483647]
</ParamField>

<ParamField body="audio" type="string">
  Custom audio URL for video background music; supports mp3, wav, m4a, flac formats; max 20MB.
</ParamField>

<ParamField body="style" type="string" default="general">
  Output visual style; general for realistic style, anime for anime style.

  Possible values: `general`, `anime`
</ParamField>

<ParamField body="images" type="array" required={true}>
  Reference image URL array; supports `.jpg`, `.jpeg`, `.png`, `.webp`.
  Maximum 50MB per image; aspect ratio must be between 1:4 and 4:1.
  Currently only 1 image is supported.
</ParamField>

<ParamField body="is_rec" type="boolean" default={false}>
  Enable audio-video matching; when set to true, audio rhythm syncs with video dynamics.
</ParamField>

<ParamField body="prompt" type="string">
  Motion description for video generation; describe scene motion, actions, and dynamic effects.

  Length limit: 0 - 1500
</ParamField>

<ParamField body="wm_url" type="string">
  Custom watermark image URL; supports png, jpeg, jpg, webp formats; max 10MB.
</ParamField>

<ParamField body="duration" type="integer" default={5}>
  Video duration (seconds).

  Range: \[1, 16]
</ParamField>

<ParamField body="off_peak" type="boolean" default={false}>
  Use off-peak pricing; when set to true, the task is queued for off-peak processing to reduce cost.
</ParamField>

<ParamField body="watermark" type="boolean" default={false}>
  Enable watermark on the output video.
</ParamField>

<ParamField body="resolution" type="string" default="720p">
  Output video resolution.

  Possible values: `540p`, `720p`, `1080p`
</ParamField>

<ParamField body="wm_position" type="string">
  Watermark position on the video.

  Possible values: `top-left`, `top-right`, `bottom-left`, `bottom-right`
</ParamField>

<ParamField body="aspect_ratio" type="string" default="16:9">
  Output video aspect ratio.

  Possible values: `16:9`, `9:16`, `4:3`, `3:4`, `1:1`
</ParamField>

## Response

<ResponseField name="task_id" type="string" required={true}>
  Use the task\_id to call the [Get Async Task Result API](/docs/models/reference-get-async-task-result) to retrieve the generated output.
</ResponseField>