falVideo to videoComing soon

fal-ai/workflow-utilities/blend-video

Name: fal-ai/workflow-utilities/blend-video
Brand: fal

fal-ai/workflow-utilities/blend-video 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
`top_video_url` required	text	—	URL of the top layer video
`bottom_video_url` required	text	—	URL of the bottom layer video
`blend_mode`	one of addition, average, burn, darken, difference, divide, dodge, exclusion, grainextract, grainmerge, hardlight, lighten, multiply, negation, normal, overlay, phoenix, pinlight, reflect, screen, softlight, subtract, vividlight	overlay	Blend mode to use for combining the videos
`opacity`	number 0 to 1	1	Opacity of the top layer (0.0-1.0)
`shortest`	true or false	true	End output when the shortest input ends

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/workflow-utilities/blend-video",
    "input": {
      "top_video_url": "https://storage.googleapis.com/falserverless/example_outputs/wan-25-i2v-output.mp4",
      "bottom_video_url": "https://storage.googleapis.com/falserverless/model_tests/kling/kling-v2.5-turbo-pro-image-to-video-output.mp4"
    }
  }'