VIDEO GENERATION API

Seedance 4K API

Seedance 2.0 pinned to native 4K output: professional-grade resolution in one step, no upscale pass. Route it through one ManifoldGen key and receive a recoverable asynchronous job.

Authentication

Bearer API key

Response

Async job + status URL

How to Use Seedance 4K

Request schema

servicevideo_generateRequired

modelseedance-2.0-4k-text-to-videoRequired

promptstringRequired

image_urlHTTPS URLOptional

duration4 | 54

resolution4k4k

aspect_ratio16:9 | 9:1616:9

Job lifecycle: POST to /api/service, read result.job_id, then poll /api/video-jobs/{job_id} every 2–5 seconds. Completed jobs contain a durable video_url.

Open the visual generator

Live API tester

Generator controls

Describe the shot

DurationAspect ratioResolutionSeed

Generate audio

Output

Your generated shot will appear here, ready to download or place on the Studio timeline.

API request

curl https://manifoldgen.com/api/service \
  -X POST \
  -H "Authorization: Bearer $MANIFOLDGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "service": "video_generate",
  "model": "seedance-2.0-4k-text-to-video",
  "prompt": "A cinematic tracking shot through a rain-soaked night market, natural motion, rich reflections",
  "duration": 4,
  "aspect_ratio": "16:9",
  "resolution": "4k",
  "output_format": "mp4",
  "include_audio": true
}'

The API and this tester use the same request. Provider routing stays behind ManifoldGen.