Accurate Carbon Emissions Intelligence API
Calculate CO2e emissions across vehicles, flights, electricity, fuel, freight, hotels, and e-commerce delivery. Powered by UK Government 2026 GHG conversion factors.
Estimate by specific make/model or by vehicle type with fuel type options.
Calculate between airports with class, round-trip, and radiative forcing options.
Country-specific emission factors for electricity consumption.
Emissions from various fuel types and usage contexts.
Transport mode-based freight emission calculations.
CHSB2026 benchmarking by country, city, and star rating.
Package delivery emissions with auto road/air mode selection.
POST /api/v1/register_key
{
"email": "you@example.com",
"password": "securepass123",
"company_name": "Your Company"
}// Response
{
"data": {
"CarbonSutra_API_KEY": "your_api_key_here"
}
}POST /api/v1/flight_estimate
{
"iata_airport_from": "LHR",
"iata_airport_to": "JFK",
"number_of_passengers": 1
}