curl --request POST \
  --url https://sandbox.layerfi.com/v1/businesses/{businessId}/mileage/vehicles/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "vehicles": [
    {
      "make_and_model": "<string>",
      "year": 123,
      "external_id": "<string>",
      "license_plate": "<string>",
      "vin": "<string>",
      "description": "<string>",
      "is_primary": false
    }
  ]
}
'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "business_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "make_and_model": "<string>",
      "year": 123,
      "is_primary": true,
      "is_eligible_for_deletion": true,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "type": "com.layerfi.routers.ApiVehicle",
      "external_id": "<string>",
      "license_plate": "<string>",
      "vin": "<string>",
      "description": "<string>",
      "archived_at": "2023-11-07T05:31:56Z",
      "deleted_at": "2023-11-07T05:31:56Z"
    }
  ]
}