Reference
API reference
Complete input parameter surface for Seedance 2.0. The canonical schema lives at the model's llms.txt; the table below is derived from it.
Endpoint
Submit a job to the queue endpoint:
POST https://queue.fal.run/bytedance/seedance-2.0/text-to-videoInput parameters
| Key | Type | Default | Allowed / notes |
|---|---|---|---|
| promptrequired | string | — | Free text describing the output. |
| duration | enum | 5 | 4 | 5 | 8 | 10 | 12 | 15 |
| resolution | enum | 720p | 480p | 720p |
| aspect_ratio | enum | 16:9 | auto | 21:9 | 16:9 | 4:3 | 1:1 | 3:4 | 9:16 |
| generate_audio | enum | true | true | false |
| seed | number | 42 | 0 to 999999, step 1 |
Canonical schema: fal.ai/models/bytedance/seedance-2.0/text-to-video/llms.txt. Anything new shipped by the model vendor appears there first.
Worked example
Minimal request using the defaults above. Swap the prompt for your own; everything else stays optional.
01example.shBASH
01curl -X POST "https://queue.fal.run/bytedance/seedance-2.0/text-to-video" \02 -H "Authorization: Key $FAL_KEY" \03 -H "Content-Type: application/json" \04 -d '{"prompt":"A chef in a professional kitchen at dusk ties an apron in front of a pass win...","duration":"5","resolution":"720p","aspect_ratio":"16:9","generate_audio":true,"seed":42}'