Video139 credits / 4 sByteDance

Seedance 2.0 Fast

Fast multimodal video with audio and clips up to 15 seconds.

Model guide
# Token from `npx summer-engine login` (valid 30 days)
export SUMMER_TOKEN="$(cat ~/.summer/auth-token)"

curl -X POST https://www.summerengine.com/api/mcp/generate/video \
  -H "Authorization: Bearer $SUMMER_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"model":"seedance-2-fast","prompt":"A knight rides through a sunflower field at golden hour","duration":4,"aspectRatio":"16:9","idempotencyKey":"a-new-uuid-per-run"}'

# The answer carries a jobId. Poll it until status is completed:
curl https://www.summerengine.com/api/mcp/jobs/JOB_ID -H "Authorization: Bearer $SUMMER_TOKEN"

Input

Duration
Aspect ratio

Result

Your result shows here. Runs are charged in Summer credits and a failed run is refunded.