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Green Web Dataset API

The Green Web Dataset API allows developers to automate real-time checks against the Green Web Dataset. It provides endpoints that allow developers to check if a single website domain is served from a green web host.

You can test it in a browser, and integrate it into your own digital services in a simple way.

If you use our tools or our code, please make sure to cite us and consider a donation.

Our friendly support team are on hand if you have any queries.

Organisations using our data

Ecograder

Determine the energy-efficiency and sustainability of a website.

Website Carbon

Look up a website’s carbon emissions and compare it with other websites.