HappyHorse-1-1 reference-to-video

video HappyHorse price on request

Request

POST https://app.video-blade.com/api/v1/generations
X-API-Key: vb_…
Content-Type: application/json

{
  "callback_url": "https://your-app.example/callbacks/video-blade",
  "input": {
    "prompt": "",
    "reference_image": []
  },
  "model": "happyhorse-1-1-reference-to-video"
}

Input parameters

Name	Type	Required	Description
`prompt`	string	required	A description of the desired elements and visual style for the generated video. Input in any language is supported. The length is limited to 5,000 non-Chinese characters or 2,500 Chinese characters. Content exceeding this limit is automatically truncated. Image referencing: In the prompt, use "[Image 1]" and "[Image 2]" to refer to the corresponding reference image in the media array. The order must be consistent with the order in the media array. When using a reference, specify the object in the image, such as "the woman in a red qipao in [Image 1]". Default:
`reference_image`	array	required	The URL of a reference image. Image requirements: 1. Formats: JPEG, JPG, PNG, WEBP. 2. Resolution: The shortest side must be at least 400 pixels. A clear image with a resolution of 720P or higher is recommended. Avoid using images that are too small, blurry, or overly compressed, as this can degrade the output quality. 3. Maximum file size: 20 MB. Default: `[]`
`resolution`	string	optional	The resolution tier of the generated video. Options: 720p; 1080p Values: `720p`, `1080p` Default: `1080p`
`aspect_ratio`	string	optional	The aspect ratio of the generated video. Options: 16:9; 9:16; 3:4; 4:3; 4:5; 5:4; 1:1; 9:21; 21:9 Values: `16:9`, `9:16`, `3:4`, `4:3`, `4:5`, `5:4`, `1:1`, `9:21`, `21:9` Default: `16:9`
`duration`	number	optional	The duration of the generated video, in seconds. Value range: An integer from 3 to 15. Default: `5`

Pricing

Price on request; the charge is settled from actual consumption with the video coefficient ×2.0. See Pricing & tokens.