79,800+ emission factors · 6 verified sources

Carbon scoring
API for developers

Send a barcode, name, or photo. Get back CO₂ with full source attribution.

Built for e-commerce platforms, Digital Product Passports, and sustainability tools. AI classifies products. Verified databases provide the carbon data. Every response shows exactly where the numbers come from.

500 free calls/mo · No credit card · < 2s response time
POST /v1/score

Request

curl -X POST \
  /v1/score \
  -H "Authorization: \
    Bearer gs_live_..." \
  -d '{"name":
    "organic oat milk"}'

Response

{
  "co2e_per_kg": 0.44,
  "eco_grade": "A",
  "confidence": 0.87,
  "source_breakdown": [
    ...
  ],
  "lca_phases": {
    "agriculture": 0.18,
    "processing": 0.12
  }
}

How it works

Three steps to carbon data in your product

01

Get an API key

Sign up free. 500 calls/month, no credit card. Your key starts with gs_live_ and works in seconds.

02

Send a product

POST a barcode, product name, description, or photo. Our AI classifies it and 6 verified databases provide the CO2 data.

03

Display the score

Get back eco-grade (A-E), CO2/kg, confidence, source attribution, and uncertainty range. Show it in your UI or use our widget.

6 verified data sources

Every score is traceable. No black boxes.

LCA

AGRIBALYSE 3.1

2,500+ food products with full lifecycle data

LCA

ADEME Base Carbone

1,300+ products and services (France)

Hybrid

UK DEFRA

200+ spend-based and activity factors (UK)

EEIO

US EPA EEIO

400+ sectors with input-output analysis

MRIO

Open CEDA

169 countries, 59K sector combinations

Material LCA

IDEMAT

800+ materials with per-kg emission factors

Simple, usage-based pricing

Start free. Scale as you grow. No credit card required.

Free

€0 /mo

500/mo

Starter

€29 /mo

5,000/mo

Growth

€99 /mo

25,000/mo

Scale

€249 /mo

100,000/mo

Enterprise

Custom

Unlimited

View full pricing details →

Ready to add carbon data?

Get your API key in 30 seconds. First 500 calls are free, forever.

Get Started Free