curl --request GET \
  --url https://api.teamcamp.app/v1.0/company/customers \
  --header 'apiKey: <api-key>'

{
  "customerId": "<string>",
  "address": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "email": "<string>",
  "companyName": "<string>",
  "phone": "<string>",
  "clients": [
    {
      "clientId": "<string>",
      "name": "<string>",
      "email": "<string>"
    }
  ]
}