curl --request GET \
  --url https://api.shovels.ai/v2/list/zip \
  --header 'X-API-Key: <api-key>'

{
  "items": [
    {
      "zip_code": "90001"
    },
    {
      "zip_code": "90002"
    },
    {
      "zip_code": "90003"
    },
    {
      "zip_code": "90004"
    },
    {
      "zip_code": "90005"
    },
    {
      "zip_code": "90006"
    },
    {
      "zip_code": "90007"
    },
    {
      "zip_code": "90008"
    },
    {
      "zip_code": "90009"
    },
    {
      "zip_code": "90010"
    }
  ],
  "size": 50,
  "next_cursor": "example_cursor"
}