curl -X POST https://api.chargeapi.co/v1/estimations \
  -H "Authorization: Bearer ch_sk_test_..." \
  --json '{
  "battery_level": 28,
  "battery_target_level": 80,
  "charging_station": "chst_I0GVqyJwBI3Jwd4V6yIA009ZAgLOzTGm",
  "vehicle": "veh_f4zwAgxuAkNh6HHUDorkosY6md4BB7A2"
}'

{
    "id": "est_ru6IqQbvO5jXuKqAAuVX7ZevKKCHKyAJ",
    "object": "estimation",
    "battery_level": 28,
    "battery_target_level": 80,
    "charging_station": "chst_I0GVqyJwBI3Jwd4V6yIA009ZAgLOzTGm",
    "cost_breakdown": [
        {
            "cost": 1542,
            "description": "Off-peak energy rate",
            "quantity": 18.25,
            "tax_percent": "20%",
            "type": "energy",
            "unit": "kWh",
            "unit_price": 85
        },
        {
            "cost": 300,
            "description": "Session fee",
            "quantity": null,
            "tax_percent": null,
            "type": "session_fee",
            "unit": null,
            "unit_price": null
        }
    ],
    "created": "2026-04-01T00:46:52.360Z",
    "currency": "eur",
    "estimated_duration": 3600,
    "estimated_energy_kwh": 18.25,
    "estimated_total_cost": 1842,
    "valid_until": "2026-04-01T01:46:42.724Z",
    "vehicle": "veh_f4zwAgxuAkNh6HHUDorkosY6md4BB7A2"
}