doubao-seedream-4-5-251128 (text to image)

curl --location 'https://gptproto.com/api/v3/doubao/seedream-4-5-251128/text-to-imgae' \
--header 'Authorization: sk-xx' \
--header 'Content-Type: application/json' \
--data '{
  "enable_base64_output": false,
  "enable_sync_mode": false,
  "prompt": "Turn this photo into a characterfigure. Behind it, place a box withthe character'\''s image printed on it,and a computer showing the Blendermodeling process on its screen. In frontof the box, add a round plastic basewith the character figure standing on it .set the scene indoors if possible.",
  "size": "2227*3183"
}'

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