WaveSpeedVideo to videoComing soon

alibaba/happyhorse-1.0/video-extend

Name: alibaba/happyhorse-1.0/video-extend
Brand: WaveSpeed

alibaba/happyhorse-1.0/video-extend is a video to video tool from WaveSpeed 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

Field	Kind	Default	Description
`video` required	URL or file	—	The source video to extend.
`prompt` required	text	—	Text description of the desired continuation.
`seed`	number (whole)	—	Random seed for reproducibility.
`duration`	number (whole) 3 to 15	5	Duration of the newly generated extension in seconds (3-15).
`resolution`	one of 720p, 1080p	720p	Output video resolution.

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": "wavespeed",
    "model": "alibaba/happyhorse-1.0/video-extend",
    "input": {
      "video": "<video>",
      "prompt": "<prompt>"
    }
  }'