The text prompt describing the desired video motion

If you want to specify your own characters, create them at https://kie.ai/sora-2?model=sora-2-characters to obtain their character_ids, then enter up to five IDs here to use those characters (if you only need a public character, simply reference it in the prompt with @Name; no ID required).

This parameter defines the aspect ratio of the image.

The number of frames to be generated.

The quality or size of the generated image.

The text prompt describing the desired video motion

If you want to specify your own characters, create them at https://kie.ai/sora-2?model=sora-2-characters to obtain their character_ids, then enter up to five IDs here to use those characters (if you only need a public character, simply reference it in the prompt with @Name; no ID required).

URL of the image to use as the first frame. Must be publicly accessible

This parameter defines the aspect ratio of the image.

The number of frames to be generated.

The quality or size of the generated image.

In one short line, state stable traits (e.g., “cheerful barista, green apron, warm smile”); avoid camera directions, contradictions, or disallowed celebrity likeness.

Briefly list any boundaries (“no violence, politics, or alcohol; PG-13 max”); tighter wording helps the model enforce your content limits.

taskId of the task already generated

Video duration interval. Extract segment from x seconds to y seconds. The difference between end and start must be between 1 and 4 seconds.

Username of the character

In one short line, state stable traits (e.g., “cheerful barista, green apron, warm smile”); avoid camera directions, contradictions, or disallowed celebrity likeness.

Briefly list any boundaries (“no violence, politics, or alcohol; PG-13 max”); tighter wording helps the model enforce your content limits.

Total length of the video

Upload an image file to use as input for the API

This parameter defines the aspect ratio of the image.