WaveSpeedVideo to videoComing soon

bytedance/seedance-2.0-fast/video-extend

Name: bytedance/seedance-2.0-fast/video-extend
Brand: WaveSpeed

bytedance/seedance-2.0-fast/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	—	URL of the input video to extend. Generation continues from the last frame.
`prompt` required	text	—	Describe the cinematic continuation - action, camera movement, lighting, mood.
`duration`	number (whole) 4 to 15	5	Length in seconds of the new segment to append (4-15).
`last_image`	URL or file	—	Optional target last-frame URL. If provided, the new segment interpolates from the input video's last frame to this image.
`resolution`	one of 480p, 720p, 1080p, 4k	720p	Output resolution of the new segment.
`generate_audio`	true or false	true	Whether to generate native audio synchronized with the output video. Defaults to true.
`enable_web_search`	true or false	false	Enable web search for real-time information.

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": "bytedance/seedance-2.0-fast/video-extend",
    "input": {
      "video": "<video>",
      "prompt": "<prompt>"
    }
  }'