falImage to videoComing soon

fal-ai/pixverse/swap

Name: fal-ai/pixverse/swap
Brand: fal

fal-ai/pixverse/swap is an image 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.

Priced by usage

Pricing

$0.065 per video. The final charge comes from usage.

Limits

Runs: In the background
Returns: video
Longest queue wait: 3600s
Run deadline: 3600s
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	—	URL of the external video to swap
`mode`	one of person, object, background	person	The swap mode to use
`keyframe_id`	number (whole) 1 to …	1	The keyframe ID to use for face/object mapping. The input video is normalized to 24 FPS before processing, so keyframe 1 = first frame, keyframe 24 = 1 second in, etc. Valid range: 1 to (duration_seconds * 24).
`image_url` required	URL or file	—	URL of the target image for swapping
`resolution`	one of 360p, 540p, 720p	720p	The output resolution (1080p not supported)
`seed`	number (whole)	—	Random seed for generation
`original_sound_switch`	true or false	true	Whether to keep the original audio

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": "fal-ai/pixverse/swap",
    "input": {
      "video_url": "https://v3b.fal.media/files/b/lion/k_RpEIZ4YZtwZklzXz7Gb_output.mp4",
      "image_url": "https://v3b.fal.media/files/b/elephant/Lu7lo2dpxVPD-NrNZzx42_56dc797a1f764c98a4f075a8c0332bf0.jpg"
    }
  }'