API playground

Try the API. Live.

Real calls to the Mizani Carbon API, from your browser. Look up a factor, estimate emissions, prove a row is in a release, then copy the request as curl, Python or JavaScript.

Lookups are public. Estimates need a key: get one free.

GETmizani-api.fly.dev/v1/factors/ke.electricity.grid.location_based?date=2025-07-01

Look up a factor

The factor valid on a date: every gas, CO₂e on your GWP basis, the source document and page, and a citation to paste.

Parameters

Which factor. Start typing to search.

The day the activity happened. Empty means today.

Global warming potentials for CO₂e: IPCC AR6 (default) or AR5.

Leave empty for the latest release.

Read the API docs