gpt-4o-image-vip (image edit)

curl -X POST "https://gptproto.com/v1/images/edits" \
  -H "Authorization: YOUR_API_KEY" \
  -F "image=@/path/to/your/image.png" \
  -F "prompt=Transform this image into a watercolor painting" \
  -F "mask=@/path/to/your/mask.png" \
  -F "model=gpt-4o-image-vip" \
  -F "n=1"

{
  "error": {
    "message": "Invalid signature",
    "type": "401"
  }
}