---
title: "Crbonfree (@crbonfree)"
description: "Carbon accounting software for AI model usage."
account: "crbonfree"
---

# Crbonfree

Carbon accounting software for AI model usage.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/crbonfree/feed.md

- [CrbonFree API](https://skmtc.dev/crbonfree/apis/crbonfree-api.md): Carbon accounting: track AI token usage, estimate CO₂e and water, issue retirement receipts and audit packs