try_codex_api.py

import requests


url = "http://localhost:3100/codex"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer local-dev-token",
}
payload = {
    "prompt": "Reply with exactly: OK",
    "sandbox": "read-only",
    "timeoutMs": 180000,
}

response = requests.post(url, headers=headers, json=payload, timeout=240)
response.raise_for_status()

result = response.json()
print(result["stdout"])