curl --request POST \
  --url https://api.sinancode.com/v1/generate/k/flux2-flex-text-to-image \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "A humanoid figure with a vintage television set for a head",
  "aspect_ratio": "auto",
  "resolution": "1K"
}
'

{
  "task_id": "01234567-89ab-cdef-0123-456789abcdef"
}