Videofrom$0.0578 / s

Hunyuan 1.5

Generates video from text · 720p to 4K · 5 s

text-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":"hunyuan-1.5","prompt":"A cinematic tracking shot along a sunlit coastal road","duration":5,"resolution":"720p","aspect_ratio":"16:9"}'

1. Calling the API

Hunyuan 1.5 has the model id hunyuan-1.5. Send a JSON body to POST https://api.open.sume.com/v1/video-router/generate.

Parameter	Type	Required	Default	Description
model	string	Yes	—	"hunyuan-1.5"
prompt	string	Yes	—	What happens in the video.
duration	integer	No	5	Seconds, 5–5.
resolution	string	No	720p	Output resolution. Options: 720p, 1080p, 2K, 4K.
aspect_ratio	string	No	16:9	Frame shape. Options: 16:9, 9:16.

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

A submit answers 202 with the job, its status_url and result_url. Poll the status until it is completed, failed or canceled; failed and canceled jobs are refunded.

GET https://api.open.sume.com/v1/jobs/<job_id>/status
GET https://api.open.sume.com/v1/jobs/<job_id>/result
POST https://api.open.sume.com/v1/jobs/<job_id>/cancel

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
720p	$0.0578 / s
1080p	$0.0963 / s
2K	$0.1444 / s
4K	$0.2157 / s

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