curl --request POST \
  --url https://api.ppinfra.com/v3/async/img2img \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '{
  "extra": {
    "response_image_type": "<string>"
  },
  "request": {
    "model_name": "<string>",
    "image_base64": "<string>",
    "prompt": "<string>",
    "width": 123,
    "height": 123,
    "image_num": 123,
    "steps": 123,
    "guidance_scale": 123,
    "sampler_name": "<string>",
    "negative_prompt": "<string>",
    "sd_vae": "<string>",
    "controlnet": {
      "units": [
        {
          "model_name": "<string>",
          "image_base64": "<string>",
          "strength": 123,
          "preprocessor": "<string>",
          "guidance_start": 123,
          "guidance_end": 123
        }
      ]
    },
    "seed": 123,
    "loras": [
      {
        "model_name": "<string>",
        "strength": 123
      }
    ],
    "embeddings": [
      {
        "model_name": "<string>"
      }
    ],
    "clip_skip": {},
    "strength": {},
    "ip_adapters": [
      {
        "model_name": "<string>",
        "image_base64": "<string>",
        "strength": {}
      }
    ]
  }
}'

{
  "task_id": "<string>"
}