curl --request POST \
  --url https://www.anyfast.ai/kling/v1/videos/image2video \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model_name": "kling-v2-1-master",
  "image": "<string>",
  "image_tail": "<string>",
  "prompt": "<string>",
  "negative_prompt": "<string>",
  "mode": "std",
  "duration": "5",
  "cfg_scale": 0.5,
  "multi_shot": false,
  "shot_type": "customize",
  "multi_prompt": [
    {
      "index": 123,
      "prompt": "<string>",
      "duration": "<string>"
    }
  ],
  "element_list": [
    {
      "element_id": 123
    }
  ],
  "sound": "off",
  "camera_control": {
    "type": "simple",
    "config": {
      "horizontal": 123,
      "vertical": 123,
      "pan": 123,
      "tilt": 123,
      "roll": 123,
      "zoom": 123
    }
  },
  "static_mask": "<string>",
  "dynamic_masks": [
    {
      "mask": "<string>",
      "trajectories": [
        {
          "x": 123,
          "y": 123
        }
      ]
    }
  ],
  "watermark_info": {
    "enabled": true
  },
  "callback_url": "<string>",
  "external_task_id": "<string>"
}
'

{
  "id": "860260753860210752",
  "task_id": "860260753860210752",
  "object": "video",
  "model": "kling-v2-1-master",
  "status": "<string>",
  "progress": 0,
  "created_at": 1773130665
}