Model
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Yes | Text description of the video |
mode | string | No | t2v or i2v (default: t2v) |
start_image_url | string | No | First-frame image URL (required for i2v) |
audio_url | string | No | Custom audio URL for audio-video sync |
negative_prompt | string | No | What to avoid in the video |
resolution | string | No | 480p, 720p, or 1080p (default: 720p) |
duration | integer | No | 5 or 10 seconds (default: 5) |
prompt_extend | boolean | No | Intelligent prompt rewriting (default: true) |
watermark | boolean | No | Add watermark (default: false) |
audio | boolean | No | Auto-generate audio. Set false for silent video (default: true) |
seed | integer | No | Seed for reproducibility |
video_urls and multi_prompt are not supported on Wan 2.5. For reference-to-video or multi-shot, use Wan 2.6.