https://api.edmunds.com/v1/api/maintenance/action/563663?fmt=json&api_key={api key}

{
    "actionHolder": [{
        "id": 563663,
        "engineCode": "8VNAG4.6",
        "transmissionCode": "ALL",
        "intervalMileage": 0,
        "intervalMonth": 1,
        "frequency": 4,
        "action": "Check operation",
        "item": "Lighting",
        "itemDescription": "The vehicle\u0027s electrical illumination.",
        "laborUnits": 0.0,
        "partUnits": 0.0,
        "driveType": "ALL",
        "modelYear": "/api/vehicle/modelyearrepository/findbyid?id=100502677"
    }]
}