Authorization: Bearer ********************curl --location 'https://witlark.com/kling/v1/images/editing/expand' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"image": "string",
"up_expansion_ratio": 0,
"down_expansion_ratio": 0,
"left_expansion_ratio": 0,
"right_expansion_ratio": 0,
"prompt": "string",
"n": 0,
"callback_url": "string",
"external_task_id": "string"
}'{}