WAN 2.7 - Create video from image

post /v1/ai/image-to-video/wan-2-7 Generate a video from an image or extend an existing video using WAN 2.7.

Three generation modes:

• First frame: Provide start_image_url alone to animate from a starting image
• First + last frame: Provide both start_image_url and end_image_url for controlled start-to-end animation
• Video continuation: Provide video_url to extend an existing video, optionally with end_image_url as the target ending frame

Key features:

• 720P and 1080P resolution support
• Optional audio-guided generation
• Duration range: 2-15 seconds