Carbon Interface
API calculates CO2 emissions estimates for common emitting activities.
Read docs Updated 2026-06-17
What is Carbon Interface?
Carbon Interface is an API that calculates estimates of CO2 emissions from common emitting activities.
It supports developers and applications that require quantified emissions data for activities.
What you can build with Carbon Interface
Personal travel emissions tracker
Develop a mobile or web app that lets users input flights, car trips, or shipping and receive CO2 estimates to visualize their travel footprint.
Corporate sustainability dashboard
Integrate the API into internal tools so companies can automatically calculate emissions from business activities like electricity use or logistics for ESG reporting.
Eco-friendly recommendation engine
Build features in booking or e-commerce platforms that compare CO2 outputs of different travel or delivery options to suggest lower-impact alternatives.
Get started with Carbon Interface
- 1Sign up on the Carbon Interface website and create an account
- 2Generate an API key from your developer dashboard
- 3Review the available endpoints and required input parameters in the docs
- 4Send authenticated HTTPS requests including your API key
- 5Parse the returned JSON emission estimates in your application
Carbon Interface: pros & cons
Pros
- +Covers common CO2-emitting activities with dedicated endpoints
- +Simple API key authentication
- +HTTPS-only access for secure requests
- +Focused, purpose-built responses for quick integration
Cons
- –Restricted to the listed common activities only
- –Requires an API key for every call
- –No on-premise or self-hosted option mentioned
Did you find this helpful?
Frequently asked questions
It is an API that returns carbon dioxide emissions estimates for everyday activities such as travel and energy use.
User reviews
Verified reviews from the community shape this listing's rating.
Loading reviews…
Similar APIs
Other geo & weather options worth comparing.