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Developer API
Connect your own software
to the CalCo2AI API
Query flight and hotel CO₂ directly from your systems via REST API. No Excel upload needed — get IATA & ICAO compliant results instantly with a single request.
- REST API — JSON request/response, instant results
- Integrate directly into your ERP, CRM or reporting system
- Secure access via API key with rate-limit protection
calco2ai.js
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// One request — instant CO₂ result const res = await fetch( "https://api.calco2ai.com/v1/emissions", { method: "POST", headers: { Authorization: "Bearer ${API_KEY}" }, body: JSON.stringify( { from: "IST", to: "LHR", cabin: "economy" } ) } ); const { co2_kg } = await res.json();
// Response
{"co2_kg": 187.42,
"standard": "ICAO",
"distance_km": 2501}REST · JSON · 200 OK
Ecosystem Partners
API-integrated companies
ARKMAN SOFTWARE
ERP & Online Booking Software Solutions for Travel Agencies
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Contact us to join the ecosystem
If your company wants to integrate with the CalCo2AI API, fill out the application form and our team will reach out.