RuZE

Unofficial Ruby client to access the API of Renault ZE. Get vehicle data like mileage, charging state and GPS location.

Requires an account at https://myr.renault.de (or local equivalent).

Installation

Add this line to your application's Gemfile:

gem 'ruze'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install ruze

Obtaining API keys

You need two API keys. Both can be obtained from Renault; they're the same for everyone and shouldn't be confused with your email/password credentials. Since the API is apparently not intended for the public, I do not want to publish the API keys here. It's your turn to find them, then store them as ENV variables:

export GIGYA_API_KEY=...
export KAMEREON_API_KEY=...

Usage

car = Ruze::Car.new('john@example.com', 'my-password')

car.battery
# {
#                                   "timestamp" => "2026-03-13T09:59:12Z",
#                                "batteryLevel" => 66,
#                             "batteryAutonomy" => 194,
#                                  "plugStatus" => 0,
#                              "chargingStatus" => 0.0,
#                       "chargingRemainingTime" => 55,
#     "chargingRemainingTimeLastUpdateDateTime" => "2026-03-13T09:30:00Z"
# }

car.cockpit
# {
#     "fuelAutonomy" => 0.0,
#     "fuelQuantity" => 0.0,
#     "totalMileage" => 12345.67,
#        "timestamp" => "2026-03-13T09:59:12Z"
# }

car.location
# {
#       "gpsDirection" => nil,
#        "gpsLatitude" => 50.12345678,
#       "gpsLongitude" => 6.12345678,
#     "lastUpdateTime" => "2026-03-12T11:43:18Z"
# }

Two-factor authentication

Renault enforces two-factor authentication (2FA) on Gigya accounts, so a password alone is no longer enough to log in. RuZE handles this by establishing a trusted device once: after a single email verification, Renault remembers the device for about 30 days, during which logins succeed without a prompt.

One-time setup

Trigger a verification code, confirm it with the 6-digit code Renault emails to your account, then read the resulting trusted-device pair:

gigya = Ruze::Gigya.new('john@example.com', 'my-password')

gigya.request_verification_code # emails a 6-digit code (returns nil if none is needed)

gigya.verify_code('123456')

gmid = gigya.device.gmid
ucid = gigya.device.ucid
# Store this gmid/ucid pair somewhere durable (env vars, a file, a database).

Ruze::Device keeps the pair in memory only, so persisting it is up to you. The pair stays valid across renewals, so you store it once.

Normal usage

Seed a device with your stored pair and Ruze::Car logs in without prompting:

device = Ruze::Device.new(gmid: gmid, ucid: ucid)
car = Ruze::Car.new('john@example.com', 'my-password', device: device)

When the device is missing or has expired, login raises Ruze::TwoFactorRequired — repeat the one-time setup to renew it.

Background

Thanks to James Muscat (@jamesremuscat) for making PyZE, the Python client for Renault ZE API:

There is an iOS and macOS application called "Zeddy" from Matt Cheetham (@MattCheetham) which seems to use the same API:

https://apps.apple.com/de/app/zeddy/id1451295003

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/solectrus/ruze. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

Disclaimer

This project is not affiliated with, endorsed by, or connected to Renault. I accept no responsibility for any consequences, intended or accidental, as a result of interacting with Renault's API using this project.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Renault project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.