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falVideo to videoComing soon

alibaba/happy-horse/video-edit

alibaba/happy-horse/video-edit is a video to video tool from fal that runs in the background and returns video. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Price pending

Pricing

Price pending.

Limits

Runs
In the background
Returns
video
Longest queue wait
3600s
Run deadline
1800s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
video_url requiredURL or file—URL of the source video to edit. Formats: MP4, MOV (H.264 recommended). Duration: 3-60 s. Longer side ≤ 2160 px, shorter side ≥ 320 px. Aspect ratio between 1:2.5 and 2.5:1. Frame rate > 8 fps. Max 100 MB. The output video preserves the source aspect ratio. Output duration matches the input video, capped at 15 s (longer inputs are truncated to the first 15 s). Max file size: 100.0MB, Min duration: 3s, Max duration: 60s, Timeout: 30.0s
prompt requiredtext—Text prompt describing the desired edit. Reference any supplied reference images using @Image1, @Image2, ... up to @Image5. Max 2500 characters.
reference_image_urlsURLs or files—Optional reference images used to guide the edit (up to 5). Formats: JPEG, JPG, PNG, WEBP. Dimensions must be at least 300px. Aspect ratio between 1:2.5 and 2.5:1. Max 10 MB each.
resolutionone of
720p, 1080p
1080pOutput video resolution tier.
audio_settingone of
auto, origin
autoAudio handling. 'auto': model decides whether to regenerate audio. 'origin': preserve the original audio from the input video.
seednumber (whole)—Random seed for reproducibility (0-2147483647).

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "alibaba/happy-horse/video-edit",
    "input": {
      "video_url": "https://storage.googleapis.com/falserverless/example_inputs/editto/example_in.mp4",
      "prompt": "Recolor the sky to a deep purple sunset."
    }
  }'