Varosity

Seedance 4.5 API

$0.147/s on Varosity credits ($0.140/s with your own key). Clips up to 12s with native audio.

Try Seedance 4.5 Get an API key

no fal account needed · no subscription · failed renders never billed

Best for

  • unified audio-video generation
  • multi-shot from one prompt
  • phoneme-level lip-sync

Call it from your code

One Varosity key works for every model. Video renders are async — the response has a jobId; poll GET /api/v1/jobs/{jobId} until status is "succeeded", then read outputUrl.

curl -X POST https://varosity.ai/api/v1/video/generate \
  -H "Authorization: Bearer $VAROSITY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "cinematic aerial of a coastal road at golden hour, slow push-in",
    "modelId": "seedance-4.5",
    "aspectRatio": "16:9",
    "durationSec": 5
  }'

Or ask your agent

Connect Claude, Cursor, or any MCP client to https://varosity.ai/api/mcp with your key, then say:

"Use Varosity with seedance-4.5 to make a 5-second clip of …"
Agent setup guide

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