test.py

import requests
from pprint import pprint

response = requests.post(
    "https://api.sapling.ai/api/v1/aidetect",
    json={
        "key": "60L9BPSVPIIOEZM0CD1DQWRBPJIUR7SB",
        "text": "This is sample text."
    }
)

pprint(response.json()['score'])