The Building API

Connect your app from the cloud to buildings

Wattsense is an application programming
interface service for software deployment
in building management systems.

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You build, We deploy

You build, We deploy

Whether you create an air-conditioning system upgrade for your workspace as a night shift project, deliver a facility management service to thousands of office buildings with a SCADA, or ship a multimillion-dollar end-to-end energy saving solution for a hotel chain, Wattsense API platform enables you to deploy your apps from one building to the next.

Learn about Wattsense's platform →

Plug and Play

Legacy BMS communication protocols and networks don’t always play nice. Wattsense offers an abstraction layer over the technical building IT infrastructure to help your apps connect and scale faster .

Supported communication protocols →
Plug and Play

How it works

It’s super easy and straightforward to connect your app
to any building using our Cloud Platform!


1. Subscribe

Sign up, order a Box and a Cloud Platform subscription.

Install the Box

2. Install the Box

Connect it to the local BMS network or directly to the equipment.

Connect your app

3. Connect your app

Configure the local network in our Management Console and connect your app to our API. Your app is deployed!



Building Management Systems have evolved into a series of incompatible components and impenetrable architectures. This chaotic technological infrastructure forms a barrier between buildings and the mainstream software industry. This is where Wattsense comes in.

How you can improve buildings →

An API to fuel smart building apps

An API to fuel smart building apps

The software world is powered by API’s which help developers focus on their core engineering and ship apps faster. Wattsense is sorting out the legacy BMS IT infrastructure, so that smart building developers don’t have to.

API Reference →

Open Source

Community at heart

The majority of the bricks that we design are open source. This is our contribution to the simplification of the BMS infrastructure.
Our manifesto →

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