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CarbonSmart
API Platform

Future-proof your software with the Carbon Footprint API

Effortless emission calculations with easy integration, fast computation and standards compliance.

Fill in the form and start using our carbon footprint calculation API!

POST · api.carbonsmart.io/v1/calculate
// Calculate CO₂e for a transport leg
curl -X POST \
https://api.carbonsmart.io/v1/calculate \
-H "Authorization: Bearer csk_live_…" \
-d '{
"activity": "road_transport",
"origin": "İstanbul",
"destination": "Hamburg",
"weight_kg": 2400
}'
// Response
"co2e_kg": 412.7,
"factor_source": "DEFRA 2024",
"methodology": "GLEC v3"

API Features

Built for developers and sustainability teams

Up-to-date Emission Database

Instant access to over 30,000 current emission factors.

Fast and Easy Integration

Integrate into your software with a REST API in minutes.

Standards Compliant

Calculations aligned with ISO 14064, ISO 14067 and CBAM.

Automated Calculations

Run carbon footprint calculations in seconds.

Flexible Infrastructure

Embed Carbon Footprint into Your Own Systems

Thanks to the flexible infrastructure of the CarbonSmart API, you can build projects tailored to your needs and contribute to your sustainability journey.

30,000+ Emission Factors

A broad database covering every sector.

Standards Compliance

Full alignment with IPCC, ISO 14064 and the GHG Protocol.

IPCC

8.500+

factors

DEFRA

4.200+

factors

EPA

5.800+

factors

Ecoinvent

11.500+

factors

Scope 3 — Transport Emissions

Manage Supply-Chain Emissions

The CarbonSmart API automatically computes transport emissions through tailored routing algorithms.

Most-Accurate Route Planning

Smart algorithms optimise routing for the right vehicle type.

Multi-modal Transport

Road, sea, air and rail — all covered.

Complete API Integration in 3 Steps

Start in minutes — not hours.

1

Integrate the CarbonSmart API

Embed our globally-distributed REST API into applications running on any device or in any data centre.

2

Calculate Emissions

Automate CO₂e calculations using a dataset of more than 30,000 emission factors sourced from 12+ providers.

3

Ship Your Solution

Help your customers and stakeholders meet ISO 14064, ISO 14067 and CBAM requirements with sector-specific solutions.

API Use Cases

One solution — limitless applications

A single API powering carbon calculation across every industry.

Agriculture & Food Production

Measure the carbon footprint of agricultural activities and promote sustainable farming methods.

Automotive & Transport

Optimise processes by carbon impact, from vehicle manufacturing to journey emissions.

Construction & Infrastructure

Report every emission source — from material production to on-site activities.

Fashion & Textiles

Analyse the carbon footprint of production and transport to design sustainable collections.

Aviation & Tourism

Minimise emissions across flight routes and hotel operations.

Energy & Utilities

Analyse emissions from electricity generation and energy distribution to deliver greener solutions.

Your carbon footprint management

Standardise. Simplify. Accelerate.

5x

Faster calculation

2.5x

ROI

Join the API family

Integrate the CarbonSmart API into your software and offer carbon calculation to your customers.