Whale Cloud Elastic Charging Platform (ECP), also known as Online Charging System (OCS) is a cloud-native, full-convergent, and 5G-ready charging platform to enable real-time charging, credit control and policy control. Compliant with 3GPP and TM Forum Open API specifications, ECP is designed with auto scalability to enable large-scale 5G deployments and exponential rise of connected devices and applications, allowing Communication Service Providers (CSPs) to monetize innovative 5G NSA & SA use cases from the very beginning.