Skip to content
Client and server library of Open Charge-Point Protocol from
Branch: master
Clone or download
Pull request Compare This branch is 2 commits ahead, 155 commits behind ChargeTimeEU:master.
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Type Name Latest commit message Commit time
Failed to load latest commit information.
Object diagram.graphml
Object diagram.png

Build Status codecov Gitter


A client and server library of Open Charge-Point Protocol from

With this library, you can easily get started with the Open Charge-Point Protocol. The design is driven by test, which will ensure premium software that is easy to adapt and modify to your needs.

Once done, we will support every version of OCPP on any preferred connection SOAP or Web Socket. However, the first release will aim to implement OCPP version 1.6 on Web Socket with json as format.

Incoming request events are split into feature profiles as described in the OCPP specification. I recommend that you download and read the specification from

See the project plan here:

!! If you have an implementation for 0.4 or earlier, please read:


Java-OCA-OCPP uses the following libraries:

To use version 1.6 you need the following libraries:


MIT License


We are devoted to push the marked for vehicles charging forward. There are many standards out there, we intend to implement and share them. Any help is much appreciated!

The market is in its defining state, the practices and standards we come up with now, may very well stick around for decades to come.

See our vision at

You can’t perform that action at this time.