https://api.edmunds.com/v1/api/tco/getmakeswithtcodata?fmt=json&api_key={api key}

{
    "makes": {
        "Acura": {
            "id": 200002038,
            "name": "Acura",
            "niceName": "acura"
        },
        "Audi": {
            "id": 200000001,
            "name": "Audi",
            "niceName": "audi"
        },
        "BMW": {
            "id": 200000081,
            "name": "BMW",
            "niceName": "bmw"
        },
        "Buick": {
            "id": 200006659,
            "name": "Buick",
            "niceName": "buick"
        },
        "Cadillac": {
            "id": 200001663,
            "name": "Cadillac",
            "niceName": "cadillac"
        },
        "Chevrolet": {
            "id": 200000404,
            "name": "Chevrolet",
            "niceName": "chevrolet"
        },
        "Chrysler": {
            "id": 200003644,
            "name": "Chrysler",
            "niceName": "chrysler"
        },
        "Dodge": {
            "id": 200009788,
            "name": "Dodge",
            "niceName": "dodge"
        },
        "FIAT": {
            "id": 200033022,
            "name": "FIAT",
            "niceName": "fiat"
        },
        "Ford": {
            "id": 200005143,
            "name": "Ford",
            "niceName": "ford"
        },
        "GMC": {
            "id": 200007302,
            "name": "GMC",
            "niceName": "gmc"
        },
        "Honda": {
            "id": 200001444,
            "name": "Honda",
            "niceName": "honda"
        },
        "HUMMER": {
            "id": 200004021,
            "name": "HUMMER",
            "niceName": "hummer"
        },
        "Hyundai": {
            "id": 200001398,
            "name": "Hyundai",
            "niceName": "hyundai"
        },
        "Infiniti": {
            "id": 200000089,
            "name": "Infiniti",
            "niceName": "infiniti"
        },
        "Isuzu": {
            "id": 200110731,
            "name": "Isuzu",
            "niceName": "isuzu"
        },
        "Jaguar": {
            "id": 200003196,
            "name": "Jaguar",
            "niceName": "jaguar"
        },
        "Jeep": {
            "id": 200001510,
            "name": "Jeep",
            "niceName": "jeep"
        },
        "Kia": {
            "id": 200003063,
            "name": "Kia",
            "niceName": "kia"
        },
        "Land Rover": {
            "id": 200006582,
            "name": "Land Rover",
            "niceName": "landrover"
        },
        "Lexus": {
            "id": 200001623,
            "name": "Lexus",
            "niceName": "lexus"
        },
        "Lincoln": {
            "id": 200001777,
            "name": "Lincoln",
            "niceName": "lincoln"
        },
        "Mazda": {
            "id": 200004100,
            "name": "Mazda",
            "niceName": "mazda"
        },
        "Mercedes-Benz": {
            "id": 200000130,
            "name": "Mercedes-Benz",
            "niceName": "mercedesbenz"
        },
        "Mercury": {
            "id": 200007711,
            "name": "Mercury",
            "niceName": "mercury"
        },
        "MINI": {
            "id": 200002305,
            "name": "MINI",
            "niceName": "mini"
        },
        "Mitsubishi": {
            "id": 200002915,
            "name": "Mitsubishi",
            "niceName": "mitsubishi"
        },
        "Nissan": {
            "id": 200000201,
            "name": "Nissan",
            "niceName": "nissan"
        },
        "Pontiac": {
            "id": 200002634,
            "name": "Pontiac",
            "niceName": "pontiac"
        },
        "Porsche": {
            "id": 200000886,
            "name": "Porsche",
            "niceName": "porsche"
        },
        "Ram": {
            "id": 200393150,
            "name": "Ram",
            "niceName": "ram"
        },
        "Saab": {
            "id": 200074504,
            "name": "Saab",
            "niceName": "saab"
        },
        "Saturn": {
            "id": 200004446,
            "name": "Saturn",
            "niceName": "saturn"
        },
        "Scion": {
            "id": 200006515,
            "name": "Scion",
            "niceName": "scion"
        },
        "smart": {
            "id": 200038885,
            "name": "smart",
            "niceName": "smart"
        },
        "Subaru": {
            "id": 200004491,
            "name": "Subaru",
            "niceName": "subaru"
        },
        "Suzuki": {
            "id": 200001853,
            "name": "Suzuki",
            "niceName": "suzuki"
        },
        "Toyota": {
            "id": 200003381,
            "name": "Toyota",
            "niceName": "toyota"
        },
        "Volkswagen": {
            "id": 200000238,
            "name": "Volkswagen",
            "niceName": "volkswagen"
        },
        "Volvo": {
            "id": 200010382,
            "name": "Volvo",
            "niceName": "volvo"
        }
    }
}