| Parameter | Description | Possible Values | Default Value | Required |
|---|---|---|---|---|
| state | The state of the car makes | new, used, future | No | |
| year | The year of the car makes | 1990-current year | No | |
| view | Response detail level | basic, full | basic | No |
| fmt | Response format | json | json | Yes |
| api_key | Vehicle API key | Yes |