Saascharge eRoaming facilitates the interconnection between charging station operators/networks (CSO) and eMobility providers (EMP) that offer services to EV drivers. The EV service platform manages the authorization protocol and financial clearing between CSOs and EMPs. This solution is open to any other charging station networks (CSO) or EV driver eMobility providers (EMP). It is based on the international Open Charge Point Interface (OCPI), used by major EV charging networks, and connects to major hubs like Hubject and Gireve.


  • Interconnection of any charging station operators (CSO) and eMobility providers (EMP) with the Open Charge Point Interface (OCPI), Hubject and Gireve (see list of current eRoaming charging networks)
  • APIs to interconnect any potential external charging station operator (CSO) or eMobility provider (EMP)
  • Authorisation management between service providers (CSO & EMP)
  • Contract management between service providers (CSO & EMP)
  • Financial clearing between service providers (Billing collection)

eRoaming system

The eRoaming system of Saascharge allows you to create your own interconnections with another EV charging networks. This interoperability system enables you to be connected with eMobility providers (connecting EV drivers to your charging stations) or charging station operators (connecting charging stations to your EV drivers) of Saascharge or another service providers. This is possible by connecting your network and setting contractual and billing relationships with them. You own the commercial relationship, we manage the connectivity and financial clearing for you.


  • Open platform with interconnection to any possible charging networks
  • More revenues thanks to charging utilization increase
  • EV drivers can charge anywhere thanks to interconnection to any charging stations
  • Access to 300,000 charging station accross the world with eRoaming partner Hubject

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