> ## 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.

# Seedance 2.0 Fast

> Generate a Seedance 2.0 Fast video from text or 1-2 images.

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

| resolution | tokens/s | USD/s |
|---|---|---|
| 480p | 4.81 | $0.096 |
| 720p | 10.47 | $0.209 |

Native audio is included at no extra charge. `content_filter` does not affect pricing.



## OpenAPI

````yaml api-reference/video-generations/openapi-seedance-2-0-fast.json POST /api/v1/videos/generations
openapi: 3.1.0
info:
  title: GoEnhance API - Seedance 2.0 Fast
  description: >-
    Fast Seedance 2.0 text-to-video and first/last-frame image-to-video
    generation.
  version: 1.0.0
servers:
  - url: https://api.goenhance.ai
security: []
paths:
  /api/v1/videos/generations:
    post:
      tags:
        - VideoGenerations
      summary: Seedance 2.0 Fast
      description: >-
        Generate a Seedance 2.0 Fast video from text or 1-2 images.


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


        | resolution | tokens/s | USD/s |

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

        | 480p | 4.81 | $0.096 |

        | 720p | 10.47 | $0.209 |


        Native audio is included at no extra charge. `content_filter` does not
        affect pricing.
      parameters:
        - name: Authorization
          in: header
          required: true
          example: Bearer YOUR_API_KEY
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                model:
                  type: string
                  enum:
                    - seedance-2-0-fast
                  description: Model name. Must be `seedance-2-0-fast`.
                prompt:
                  type: string
                  description: Text prompt describing the video.
                image_urls:
                  type: array
                  items:
                    type: string
                    format: uri
                  minItems: 1
                  maxItems: 2
                  description: >-
                    Optional. One URL creates first-frame image-to-video; two
                    URLs create first/last-frame video. Compatible aliases:
                    `image_url` and `image_end_url`.
                duration:
                  type: integer
                  minimum: 4
                  maximum: 15
                  default: 5
                quality:
                  type: string
                  enum:
                    - 480p
                    - 720p
                  default: 720p
                  description: >-
                    Output resolution. `resolution` is accepted as a compatible
                    alias.
                aspect_ratio:
                  type: string
                  enum:
                    - '16:9'
                    - '9:16'
                    - '1:1'
                    - '4:3'
                    - '3:4'
                    - '21:9'
                    - adaptive
                  default: '16:9'
                  description: >-
                    Image-to-video defaults to `adaptive`. `ratio` is accepted
                    as a compatible alias.
                generate_audio:
                  type: boolean
                  default: true
                  description: Generate synchronized audio at no additional charge.
                content_filter:
                  type: boolean
                  default: true
                  description: Setting this to `false` adds 10% to the task cost.
                callback_url:
                  type: string
                  format: uri
                  description: >-
                    Optional public HTTPS callback URL. `custom_callback_url` is
                    accepted as a compatible alias.
              required:
                - model
                - prompt
            example:
              model: seedance-2-0-fast
              prompt: A glass frog on a leaf, macro cinematic camera move
              duration: 8
              quality: 720p
              aspect_ratio: '16:9'
              generate_audio: true
      responses:
        '200':
          description: Task submitted or application-level error.
          content:
            application/json:
              schema:
                type: object
                properties:
                  code:
                    type: integer
                  msg:
                    type: string
                  data:
                    type: object
                    properties:
                      img_uuid:
                        type: string
                required:
                  - code
                  - msg
              example:
                code: 0
                msg: Success
                data:
                  img_uuid: c12b656c-747a-44fd-9c80-add79b0c52d5
        '401':
          description: Unauthorized

````