PHP integration
curl \ -H "user_key: $API_KEY" \ https://api.kompany.com/api/v1/system/health
curl \ -H "user_key: $API_KEY" \ https://api.kompany.com/api/v1/system/countries
curl \ -H "user_key: $API_KEY" \ https://api.kompany.com/api/v1/system/pricelist