curl --request GET \
  --url https://staging.afx-server.com/api/v1/customer \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "customerId": "<string>",
      "fullName": "<string>",
      "email": "jsmith@example.com",
      "phone": "<string>",
      "countryCode": "<string>",
      "kyc": {},
      "meta": {}
    }
  ],
  "page": 123,
  "total": 123
}