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

# Vidu Q3 Turbo Start-End-to-Video

Vidu Q3 Turbo start-end-to-video generates high-quality videos from first and last frame images with text-guided motion interpolation, supporting up to 1080p resolution.

<Tip>
  This is an **asynchronous** API; only the **task\_id** will be returned. You should use the **task\_id** to request the [**Task Result API**](/api-reference/model-apis-task-result) to retrieve the video generation results.
</Tip>

## Request Headers

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

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

## Request Body

<ParamField body="seed" type="integer">
  Random seed for reproducibility. 0 means random.
</ParamField>

<ParamField body="audio" type="boolean" default={true}>
  Enable audio-video sync output (dialogue and sound effects). When false, output is silent video. Q3 series only.
</ParamField>

<ParamField body="images" type="array" required={true}>
  Two image URLs or Base64 encoded images. First image as start frame, second as end frame. Supports png, jpeg, jpg, webp formats. Max 50MB per image. Both images must have similar resolution (ratio between 0.8-1.25). Aspect ratio must be \< 1:4 or > 4:1.

  Array length: 2 - 2
</ParamField>

<ParamField body="is_rec" type="boolean">
  Whether to use recommended prompt. When true, system auto-generates prompt.
</ParamField>

<ParamField body="prompt" type="string">
  Text description of desired video motion between start and end frames. Maximum 1500 characters.

  Length limit: 0 - 1500
</ParamField>

<ParamField body="duration" type="integer" default={5}>
  Video duration in seconds, range 1-16.

  Value range: \[1, 16]
</ParamField>

<ParamField body="off_peak" type="boolean" default={false}>
  Whether to use off-peak mode. Task will be processed within 48 hours at lower cost.
</ParamField>

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

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

## Response

<ResponseField name="task_id" type="string" required={true}>
  Use the task\_id to request the [Task Result API](/api-reference/model-apis-task-result) to retrieve the generated outputs.
</ResponseField>