Videofrom$0.3000 / s

H3 Max Recast

Generates video from references, a source video · 768p to 1080p · 5–30 s · native audio

reference-to-videovideo-to-video

curl -X POST https://api.open.sume.com/v1/video-router/generate \
  -H "Authorization: Bearer $SUME_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"h3-max-recast","video_url":"https://example.com/video.mp4","duration":5,"resolution":"768p","generate_audio":false}'

1. Calling the API

H3 Max Recast has the model id h3-max-recast. Send a JSON body to POST https://api.open.sume.com/v1/video-router/generate.

Parameter	Type	Required	Default	Description
model	string	Yes	—	"h3-max-recast"
prompt	string	No	—	What happens in the video.
reference_image_urls	string[]	No	—	Reference images (HTTPS).
video_url	string	Yes	—	Source video (HTTPS).
duration	integer	No	5	Seconds, 5–30.
resolution	string	No	768p	Output resolution. Options: 768p, 1080p.
generate_audio	boolean	No	false	Generate a soundtrack with the video.

2. Authentication

Send your open.sume.com key as a bearer token from server code only. Keys minted on open.sume.com bill this balance in dollars and call the model API only.

Authorization: Bearer $SUME_API_KEY

3. Queue

Pricing

Dollars per unit at each option, from our rate card; a request rounds up to $0.0001. The estimate above is the exact charge.

Option	Price
768p	$0.3000 / s
1080p	$0.4500 / s

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