callback_url in the following video generation APIs, the server will automatically send notifications when the task status changes:
POST /v1/video/image2videoPOST /v1/video/template2videoPOST /v1/video/text2videoContent-Type: application/json.
PENDING, QUEUING, PROCESSING, SUCCESS, FAILED, CANCELED TEXT_TO_VIDEO, IMAGE_TO_VIDEO, VIDEO_TO_VIDEO, TEMPLATE_TO_VIDEO