curl --location --request POST 'https://open-qr.mewx.art/api/v1/images/generate' \
--header 'Authorization: Bearer xxx' \
--header 'Content-Type: application/json' \
--data-raw '{
"prompt": "a flower",
"model": "51",
"qr_content": "https://qr.mewx.art",
"callback_url": "http://xxxxx/api/v1/callback"
}'