curl --request POST \
  --url https://api.meow.com/v1/billing/customers \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "nickname": "<string>",
  "email": "jsmith@example.com",
  "address": {
    "street_line_1": "<string>",
    "city": "<string>",
    "street_line_2": "<string>",
    "state": "<string>",
    "postal_code": "<string>"
  }
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "nickname": "<string>",
  "created_time": "2023-11-07T05:31:56Z",
  "email": "jsmith@example.com",
  "address": {
    "street_line_1": "<string>",
    "street_line_2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postal_code": "<string>"
  },
  "updated_time": "2023-11-07T05:31:56Z"
}