wavespeed-ai/wan-2.1/t2v-480p

Positive prompt words for content generation (required).

Negative prompt words used to exclude or weaken undesired elements (optional).

The dimensions of the generated media (width * height, in pixels).

Number of inference steps, range: 1 ~ 40.

Duration of generated media (unit: seconds).

Guidance Scale, controls the degree to which the prompt influences the generated result. Range: 0.00 ~ 20.00.

Offset value for time step scheduling in Flow Matching. Range: 1.0 ~ 10.0.

The random seed used during generation. A value of -1 indicates random generation. Range: -1 ~ 2147483647.

Callback interface URL (optional). When the generation task is completed, the system will send a result request to this link. A status code 200 indicates successful receipt.