An API marketplace for the digital exchange of energy data and services.

Find and connect to digital energy products via APIs

Find the energy data and services you need to transform your business

re.alto is a European API marketplace for the digital exchange of energy data and services.


  • Easy discovery and integration of energy data & products via APIs
  • Get solid API documentation and usage reports
  • Find new partners & scale your business
re.alto Marketplace

Wind SCADA data

Wind turbine SCADA data has a range of operational benefits, enabling cost-effective preventative maintenance, accurate forecasting based on actual output.

learn more

Energy monitoring 2.0

Enrich your monitoring platform experience by adding more services for your customer. Reduce the cost of integrating with the data source of your choice by buying the right access yourself instead of via your IT provider.

learn more

Spot market pricing

Access spot market pricing data for the wholesale electricity market from a wide range of energy price APIs on the re.alto marketplace. 

learn more

Weather forecasting

Get access to a broad range of standardised weather forecast packages – from temperature and humidity to wind speed and irradiation data – all tailormade to the energy sector. 

learn more

Smart charging e-mobility

Don’t get left behind in a rapidly changing e-mobility sector. Reach new markets, drive new revenue streams, scale at speed across Europe with the smartest charging strategy.  

learn more

Smart meter access

Access metering data securely over API to enable greater customer insights, streamline your data acquisition, or fuel innovative digital applications. 

learn more

What our clients say

Energy Quantified

Hugo Birkelund – CEO

Together with re.alto we can further simplify data sourcing and facilitate companies to scale their business with a minimum of associated friction and cost.”


Stéphane Querinjean – Managing Director

“re.alto gives us the opportunity to open up new horizons and access digitally a new market”


Olivier Devolder – Energy Director

“As a data driven company, developing AI-based forecasting …it seemed natural for us to register our services on re.alto”

Building the energy future

re.alto is a mission-driven Belgium based company with a goal to bring all parties together to achieve an affordable & zero carbon energy future.

Energy is networked, variable and complex.  Digitalisation makes it smarter , more responsive, greener, and we want to propel companies forward by facilitating the digital exchange of data and services.

re.alto enables companies to capture, organise and share data and services easily, quickly and securely.  Innovators can make better products.  Businesses can make smarter decisions.  End-users get better products. With the right data it is easy to make smarter energy decisions.