falVideo to videoComing soon

minimax/h3-max/recast

Name: minimax/h3-max/recast
Brand: fal

minimax/h3-max/recast 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

Field	Kind	Default	Description
`video_url` required	URL or file	—	The source video, 5 to 30 seconds long, with no single shot longer than 15 seconds.
`reference_image_urls` required	URLs or files	—	One photo per new person. By default they replace the main people in the video from left to right, each in every shot they appear in.
`prompt`	text	—	Optional: who becomes whom, or what else to keep or change.
`resolution`	one of 768P, 1080P	1080P
`seed`	number (whole) 0 to …	—	Random seed. Leave empty for a random one.
`enhance_realism`	true or false	false	More natural skin textures and better blending of the new people into the scene. Off unless set.

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": "minimax/h3-max/recast",
    "input": {
      "video_url": "https://v3b.fal.media/files/b/0aac8cc6/lOHY4Mitfg5x1UDerR3RB_dw9Hs7ChHU-Fqwzz0W9cq_video.mp4",
      "reference_image_urls": [
        "<reference_image_urls>"
      ]
    }
  }'