Video models
Seedance 1.5 Pro
On this page
Seedance 1.5 Pro — high-quality AI video generation.
| modelId | bytedance-seedance-1-5-pro |
| Modality | video |
| Pricing | See this model on the Pricing page for the current per-call price (with your markup). |
Operations
| Operation | modelId | Endpoint | Required input |
|---|---|---|---|
| Default | bytedance-seedance-1-5-pro | POST /api/v1/generate | prompt, aspect_ratio, duration |
| Poll task | — | GET /api/v1/task/{id}?model=bytedance-seedance-1-5-pro | — |
Input parameters
| Field | Type | Required | Values / example |
|---|---|---|---|
| prompt | string | Yes | Enter video description (3-2500 characters)... Max 20000 characters. (default: Animate the still: dumplings sizzle and blister in a cast-iron pan as a lid lifts and steam billows upward, the camera pushing in slowly on the crisping golden edges. Audio: gentle sizzle, soft steam hiss.) |
| input_urls | string[] | No | Upload 0-2 images. Leave empty to generate video from text only. (image URL) |
| aspect_ratio | string | Yes | Select the frame dimensions. Default is 1:1. (options: 1:1 | 21:9 | 4:3 | 3:4 | 16:9 | 9:16) (default: 16:9) |
| resolution | string | No | Standard (480p) / High (720p) (options: 480p | 720p | 1080p) (default: 720p) |
| duration | number | Yes | video duration (range 4-12) (default: 8) |
| fixed_lens | boolean | No | Enable to keep the camera view static and stable. Disable for dynamic camera movement. (true/false) (default: false) |
| generate_audio | boolean | No | Enable to create sound effects for the video (Additional cost applies). (true/false) (default: false) |
| nsfw_checker | boolean | No | A configurable parameter. Defaults to true in the Playground. (true/false) (default: true) |
Example request
bash
curl -X POST https://you.bot/api/v1/generate \
-H "Authorization: Bearer $YOUBOT_API_KEY" \
-H "Content-Type: application/json" \
-d '{"modelId":"bytedance-seedance-1-5-pro","input":{"prompt":"A cinematic aerial shot of a coastal town at golden hour, gentle waves rolling onto the shore, warm light, slow camera push-in.","input_urls":["https://example.com/input.jpg"],"aspect_ratio":"16:9","resolution":"720p","duration":8,"fixed_lens":false,"generate_audio":false,"nsfw_checker":true}}'