curl --location "https://randomseed.lol/v1/caption" \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer $RANDOMSEED_API_KEY" \
  --data '{
    "caption_image": {
      "caption_image_url": "...",
      "instruction_text": "Write me an extremely detailed caption"
    }
  }'

{
  "caption": "A highly detailed and annotated illustration of the inner workings of a human head, showcasing the muscles, veins, arteries, and nerves"
}