Video models › HappyHorse

happyhorse/video-edit

HappyHorse - video-edit

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": "\u2026",
    "video_url": "\u2026"
  },
  "model": "happyhorse-video-edit"
}

Input parameters

NameTypeRequiredDescription
prompt string required Required edit instruction describing the intended change (e.g., style transfer / local replacement). Max 5,000 non‑Chinese characters or 2,500 Chinese characters; extra content is truncated.
video_url string required Input video URL list. Exactly one video is required. Video requirements: Format: MP4, MOV (H.264 encoding recommended). Duration: 3–60 seconds. Resolution: the longer side must not exceed 2,160 px; the shorter side must be at least 320 px. Aspect ratio: 1:2.5–2.5:1. File size: up to 100 MB. Frame rate: greater than 8 fps.
reference_image array optional Optional reference image URL list (0–5). Image requirements: Format: JPEG, JPG, PNG, WEBP. Resolution: both width and height must be at least 300 px. Aspect ratio: 1:2.5–2.5:1. File size: up to 10 MB.
resolution string optional Output video resolution. Valid values: 720P, 1080P (default).
Values: 720p, 1080p
Default: 1080p
audio_setting string optional Audio handling strategy for the output video.
Values: auto, origin
Default: auto
seed integer optional Random seed for reproducibility (if supported).
Default: 0

Pricing

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