curl --request POST \
  --url https://open.skills.video/api/v1/generation/kling-ai/kling-v2.6 \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "image_url": "<string>",
  "first_frame_url": "<string>",
  "end_image_url": "<string>",
  "last_frame_url": "<string>",
  "generate_audio": true,
  "voice_ids": [
    "<string>"
  ],
  "aspect_ratio": "16:9",
  "negative_prompt": "<string>",
  "cfg_scale": 0.5,
  "elements": [
    {
      "reference_image_url": "<string>",
      "mask_url": "<string>",
      "prompt": "<string>"
    }
  ],
  "video_url": "<string>",
  "character_orientation": "video",
  "quality": "standard",
  "keep_original_sound": true
}
'

{
  "id": "gen_123",
  "status": "IN_QUEUE",
  "input": {
    "prompt": "a cat walking through neon rain",
    "duration": 5,
    "aspect_ratio": "16:9",
    "n": 1
  },
  "usage": {
    "total": 20,
    "subscription": 20,
    "permanent": 0
  }
}