Generate an image with OpenAI

curl https://api.openai.com/v1/images/generations \
  -H 'Content-Type: application/json' \
  -H "Authorization: Bearer $token" \
  -d '{
    "prompt": "a dark anime with ghosts set on the planet mercury",
    "n": 1,
    "size": "1024x1024"
  }'