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

# Vidu Q3 Pro

> Vidu Q3 Pro text-to-video, image-to-video and start-end frame video. Pass `image_url` for a first-frame image, add `image_end_url` for start-end frame generation, or omit both for pure text-to-video.

This model does not support reference images. For reference-image video generation use [`viduq3_turbo_reference`](/api-reference/video-generations/viduq3-turbo-reference) — passing `image_urls` here returns an error.

**Pricing** — per second of generated video, in tokens (USD at $0.02/token):

| resolution | tokens/s | USD/s |
|---|---|---|
| 540p | 2.25 | $0.045 |
| 720p | 5 | $0.10 |
| 1080p | 6 | $0.12 |

Example: an 8s 720p video costs 40 tokens.

Returns an `img_uuid`; poll GET /api/v1/jobs/detail (or use `custom_callback_url`) to get the generated video.



## OpenAPI

````yaml api-reference/video-generations/openapi-viduq3-pro.json POST /api/v1/videos/generations
openapi: 3.1.0
info:
  title: GoEnhance API - Vidu Q3 Pro
  description: Text-to-video and image-to-video with Vidu Q3 Pro.
  version: 1.0.0
servers:
  - url: https://api.goenhance.ai
security: []
paths:
  /api/v1/videos/generations:
    post:
      tags:
        - VideoGenerations
      summary: Vidu Q3 Pro
      description: >-
        Vidu Q3 Pro text-to-video, image-to-video and start-end frame video.
        Pass `image_url` for a first-frame image, add `image_end_url` for
        start-end frame generation, or omit both for pure text-to-video.


        This model does not support reference images. For reference-image video
        generation use
        [`viduq3_turbo_reference`](/api-reference/video-generations/viduq3-turbo-reference)
        — passing `image_urls` here returns an error.


        **Pricing** — per second of generated video, in tokens (USD at
        $0.02/token):


        | resolution | tokens/s | USD/s |

        |---|---|---|

        | 540p | 2.25 | $0.045 |

        | 720p | 5 | $0.10 |

        | 1080p | 6 | $0.12 |


        Example: an 8s 720p video costs 40 tokens.


        Returns an `img_uuid`; poll GET /api/v1/jobs/detail (or use
        `custom_callback_url`) to get the generated video.
      parameters:
        - name: Authorization
          in: header
          description: ''
          required: false
          example: '{{Authorization}}'
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                model:
                  type: string
                  enum:
                    - viduq3_pro
                  description: Model name. Must be `viduq3_pro`.
                prompt:
                  type: string
                  description: Text prompt describing the video.
                image_url:
                  type: string
                  format: uri
                  description: >-
                    Optional first-frame image URL. If provided, runs
                    image-to-video; otherwise text-to-video.
                image_end_url:
                  type: string
                  format: uri
                  description: >-
                    Optional last-frame image URL. Pass together with
                    `image_url` for start-end frame video generation.
                duration:
                  type: integer
                  minimum: 1
                  maximum: 16
                  default: 5
                  description: Video duration in seconds (1-16). Defaults to 5.
                resolution:
                  type: string
                  enum:
                    - 540p
                    - 720p
                    - 1080p
                  default: 720p
                  description: Output resolution.
                ratio:
                  type: string
                  description: Aspect ratio for text-to-video.
                custom_callback_url:
                  type: string
                  format: uri
                  description: >-
                    Optional. A publicly accessible HTTPS URL. When the task
                    status changes (processing / success / failed), GoEnhance
                    sends a POST request to this URL. The request body is
                    identical to the response of GET /api/v1/jobs/detail. If
                    your server does not respond with HTTP 200, the notification
                    is retried up to 3 times, with a 3-second timeout per
                    attempt.
                  example: https://your-server.com/goenhance/callback
              required:
                - model
                - prompt
            example:
              model: viduq3_pro
              prompt: A paper boat drifting down a rainy street, cinematic
              duration: 8
              resolution: 720p
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  code:
                    type: integer
                  msg:
                    type: string
                  data:
                    type: object
                    properties:
                      img_uuid:
                        type: string
                    required:
                      - img_uuid
                required:
                  - code
                  - msg
                  - data
              examples:
                '1':
                  summary: Success
                  value:
                    code: 0
                    msg: Success
                    data:
                      img_uuid: c12b656c-747a-44fd-9c80-add79b0c52d5
                '2':
                  summary: Insufficient tokens
                  value:
                    code: 100
                    msg: tokens is not enough
          headers: {}
        '401':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  code:
                    type: integer
                  msg:
                    type: string
                required:
                  - code
                  - msg
          headers: {}
      deprecated: false
      security: []

````