import requests

HEADERS = {"Authorization": f"Bearer my.tok.en", "User-Agent": "SWViewer/1.4+; [email protected]"
URL = "https://api.wikimedia.org/service/lw/inference/v1/models/revertrisk-language-agnostic:predict"

data = {"lang": "ru", "rev_id": 3223323}
r = requests.post(url=url, json=data, headers=HEADERS).json()

print(r)