curl --request GET \
  --url https://provider.api.nadles.com/v0/customers/ \
  --header 'nadles-provider-key: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "email": "<string>",
      "external_id": "<string>",
      "billing_address_line1": "<string>",
      "billing_address_line2": "<string>",
      "billing_address_city": "<string>",
      "billing_address_country_code": "<string>",
      "billing_address_zip_code": "<string>",
      "billing_address_region": "<string>",
      "is_business": true,
      "business_name": "<string>",
      "company_number": "<string>",
      "tax_identifier": "<string>"
    }
  ],
  "metadata": {
    "pagination": {
      "limit": 123,
      "offset": 123,
      "total": 123
    }
  }
}