---
title: "emission-factors.com API"
account: emission-factors
slug: emission-factors-com-api
---

# emission-factors.com API

US ZIP-code emission factors, grid carbon intensity and fuel CO₂e: calculate and compare Scope 1 and 2 emissions

- Operations: 18
- Versions: 1 (latest `6a306ef2044a`)
- License: [Data licenses vary by source: US government works (public domain); eGRID2024, GHG Hub 2026, OpenEI URDB and ZIP-to-utility data, and GeoNames are CC-BY-4.0; the Green-e residual mix is published by the Center for Resource Solutions. See /methodology.](https://emission-factors.com/methodology)
- Source: https://emission-factors.com/openapi.json
- OpenAPI document: https://skmtc.dev/emission-factors/apis/emission-factors-com-api/revisions/6a306ef2044a?raw

## Operations

18 in total, by tag:

- Other (18)

Every operation, with a link to its markdown: https://skmtc.dev/emission-factors/apis/emission-factors-com-api/llms.txt