K2K/Charging
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OCPI 2.2 · CPO + eMSPBusiness · Roaming

One network. Every charger.

K2K operators plug into the global EV roaming ecosystem via OCPI 2.2. Drivers with any supported app can charge at your stations — and your drivers can access partner networks without leaving the K2K app.

How roaming works on K2K

01

CPO role

Your chargers appear on every partner eMSP app automatically. No extra work — OCPI pushes your Locations data to all hubs.

02

eMSP role

K2K app drivers can start sessions on partner CPO networks. Billing consolidated in the K2K wallet.

03

CDR settlement

Cross-network charge detail records reconcile monthly. K2K handles the financial clearing with each hub.

04

Real-time availability

Connector status syncs to partner apps every 15 seconds over OCPI 2.2 push. No stale data for drivers.

05

Token management

06

Tariff publishing

Your tariffs publish to partner apps in the OCPI Tariff object — drivers see the price before they plug in.

Partners

Live roaming connections.

Live

Hubject (Intercharge)

World's largest EV roaming hub. K2K operators connect as CPO; eMSP drivers access all Hubject-connected stations globally.

Region
Global · 85+ countries
Chargers
600,000+
Protocol
OCPI 2.2
Integration
Fully live
Technical

OCPI onboarding — what's needed

Protocol version
OCPI 2.2 (2.1.1 legacy supported for existing integrations)
Roles supported
CPO (charge point operator) · eMSP (e-mobility service provider) · Hub (on request)
Modules required
Credentials · Locations · Sessions · Tariffs · CDRs · Commands · Tokens
Push vs Pull
K2K supports both — real-time push preferred for Locations and Sessions
Onboarding time
3–5 business days for established hubs · Up to 10 days for new bilateral agreements
Test environment
Sandbox OCPI endpoint available · 5 simulated chargers + fake token flow
Financial clearing
K2K handles CDR reconciliation and cross-network settlement monthly
Fees
No K2K fee for OCPI roaming · Hub registration fees (Hubject, Gireve) billed separately
6
Roaming hubs connected
900k+
Chargers accessible via roaming
5 days
Avg OCPI onboarding time
28
Indian states covered

Connect your network to K2K roaming.

OCPI onboarding takes under a week. Our integration team handles the hub registration, token exchange and test sessions end-to-end.

Start OCPI onboarding Download OCPI spec