Submit Video

Text prompt to guide the video generation.

Motion intensity of the generated video.

First-frame image as a public URL or base64-encoded data URI.

Action to perform on an existing video task. When set, index and taskId are required.

Zero-based index selecting which video variant to act on from the parent task.

Parent task id to continue from. Required when action is set.

Custom state string. Returned as-is in the task result and webhook callback for your own tracking.

When true, return the original provider video URL instead of a CometAPI-proxied link.

Video model variant, e.g. vid_1.1_i2v_480 (480p) or vid_1.1_i2v_720 (720p).

Submission status code. 1 = submitted successfully (result carries the task id). 21 = the action opened a confirmation modal; continue with /mj/submit/modal using the returned task id. 4 = parameter error; description explains the cause.