Kling 4K I2V - Generate video from image

Optional callback URL that receives asynchronous notifications when the task changes status. The payload includes the task status and result URL when completed.

Reference image for video generation. Supports Base64 encoding or URL (ensure accessibility). For URL, must be publicly accessible.

Image requirements:

• Minimum: 300x300 pixels
• Maximum: 10MB file size
• Aspect ratio: 1:2.5 to 2.5:1
• Formats: JPG, JPEG, PNG

Optional end frame control image. Supports Base64 encoding or URL. For URL, must be publicly accessible. Must follow the same format requirements as the image field.

Image requirements:

• Same as image field

Text prompt describing the desired video content. Maximum 2500 characters.

Tips for better results:

• Be specific about motion, camera angles, and actions
• Describe the scene, characters, and atmosphere

Undesired elements to avoid in the generated video. Maximum 2500 characters.

Guidance scale controlling prompt adherence versus creative freedom. Range: 0 to 1.

• 0: Maximum creative freedom, loosest interpretation of the prompt
• 0.5 (default): Balanced between prompt adherence and creativity
• 1: Strongest adherence to the prompt, least creative variation

Duration of the generated video in seconds.

Range: 3-15 seconds

Static mask image for defining motion brush application areas.

● Supports both Base64 encoding and image URLs (ensure URLs are publicly accessible and follow the same format requirements as the image field). ● Supported image formats include .jpg / .jpeg / .png. ● The aspect ratio of the mask image MUST match the input image (image field); otherwise, the task will fail. ● The resolutions of the static_mask image and the dynamic_masks.mask images must be identical; otherwise, the task will fail. ● The static brush feature allows you to define areas where motion will be applied in the generated video.