> ## 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.

# Kling 3.0

> Kling 3.0. Highest quality with the full feature set: text-to-video, image-to-video, first & last frame, native audio and multi-shot.

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

| resolution | sound off | sound on |
|---|---|---|
| 720p | 4.2 ($0.084) | 6.3 ($0.126) |
| 1080p | 5.6 ($0.112) | 8.4 ($0.168) |

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-kling-3-0.json POST /api/v1/videos/generations
openapi: 3.1.0
info:
  title: GoEnhance API - Kling 3.0
  description: >-
    Video generation with Kling 3.0. Same endpoint as the other Kling models;
    the model is selected by args.model.
  version: 1.0.0
servers:
  - url: https://api.goenhance.ai
security: []
paths:
  /api/v1/videos/generations:
    post:
      tags:
        - VideoGenerations
      summary: Kling 3.0
      description: >-
        Kling 3.0. Highest quality with the full feature set: text-to-video,
        image-to-video, first & last frame, native audio and multi-shot.


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


        | resolution | sound off | sound on |

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

        | 720p | 4.2 ($0.084) | 6.3 ($0.126) |

        | 1080p | 5.6 ($0.112) | 8.4 ($0.168) |


        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
              description: >-
                Kling 3.0. Highest quality with the full feature set:
                text-to-video, image-to-video, first & last frame, native audio
                and multi-shot.


                **Pricing (tokens/second):** 720p: 4.2 (6.3 with sound on) -
                1080p: 5.6 (8.4 with sound on).
              properties:
                model:
                  type: string
                  enum:
                    - kling-3-0
                  description: Model name. Must be `kling-3-0` on this page.
                prompt:
                  type: string
                  description: Text prompt describing the video.
                image_url:
                  type: string
                  format: uri
                  description: >-
                    First-frame image URL. If provided, runs image-to-video;
                    otherwise text-to-video.
                image_end_url:
                  type: string
                  format: uri
                  description: Last-frame image URL (first & last frame mode).
                negative_prompt:
                  type: string
                  description: Things you do not want to see in the video.
                duration:
                  type: integer
                  minimum: 3
                  maximum: 15
                  default: 5
                  description: Video duration in seconds (3-15).
                resolution:
                  type: string
                  enum:
                    - 720p
                    - 1080p
                  default: 720p
                  description: >-
                    Output resolution. 720p = Standard mode (std), 1080p =
                    Professional mode (pro).
                ratio:
                  type: string
                  enum:
                    - '16:9'
                    - '9:16'
                    - '1:1'
                  description: >-
                    Aspect ratio. Text-to-video only; ignored when image_url is
                    provided.
                sound:
                  type: string
                  enum:
                    - 'on'
                    - 'off'
                  default: 'off'
                  description: >-
                    Native audio generation. Increases the per-second cost (see
                    pricing).
                model_params:
                  type: object
                  description: Advanced model parameters.
                  properties:
                    multi_shot:
                      type: boolean
                      description: >-
                        Enable multi-shot video generation. The shot type is
                        decided automatically.
                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: kling-3-0
              prompt: The cat slowly turns its head and blinks
              image_url: https://your-cdn.com/cat.jpg
              duration: 5
              resolution: 1080p
              sound: 'on'
      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
              examples:
                '1':
                  summary: Unauthorized
                  value:
                    code: 401
                    msg: Unauthorized
          headers: {}
      deprecated: false
      security: []

````