OCPI 2.2.1
Compare this step across versionsThe driver, the charger, the CPO and the eMSP in one charging session, and which of them sends messages to which.
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Who talks to whom in the EV charging world?
What You'll Learn:
- The main players in OCPI communication
- Who owns what in the EV charging ecosystem
- How these entities work together
The Players in This Lesson:
EV Driver
DRIVERCharging Station Operator
CPOE-Mobility Service Provider
EMSPCharging Station
CHARGERKey Takeaways:
CPO manages physical charging stations
EMSP handles customer service and billing
Drivers interact with both through apps and cards
OCPI is how CPO and EMSP talk to each other
What OCPI 2.2.1 defines for this lesson
Modules in this version
Locations
Sessions
CDRs
Tariffs
Tokens
Commands
Credentials
Hub Client Info
Charging Profiles
Payments
Bookings
Advertised sender and receiver interfaces
An endpoint declares how another platform can pull or push data. Credentials uses the same interface for both roles.
The header token is encoded
The request header carries an encoded token; the Credentials body still carries the raw token.
Billing records name the Token owner
A charge record names the country and company that own the driver's Token.