import requests

response = requests.get(
    "https://api.atomscale.ai/sem/images/d290f1ee-6c54-4b01-90e6-d701748f0851/mask",
    headers={"X-API-KEY": "YOUR_API_KEY"}
)
mask = response.json()

curl "https://api.atomscale.ai/sem/images/d290f1ee-6c54-4b01-90e6-d701748f0851/mask" \
  -H "X-API-KEY: YOUR_API_KEY"

{
  "mask_rle": "0 100 1 50 0 200 ...",
  "mask_height": 1024,
  "mask_width": 1024,
  "color": [0, 0, 255, 0.2]
}