GLEC v3.2 · ISO 14083

Freight carbon,one API call.

Road, sea, rail, and air emissions in under 50ms. WTW/TTW/WTT breakdowns. Free tier, no credit card.

<50ms responses99.9% uptime150+ countries500 free calls/mo

terminal

Request

curl -X POST \

"https://api.ecofreight.co/v1/calculate"

-d {
"origin": "Shanghai",
"destination": "Rotterdam",
"weight": 21000,
"mode": "sea"
}

Response 38ms

{
"emissions": {
"total": 3842.7,
"wtw": 3842.7,
"ttw": 3267.3,
"wtt": 575.4
},
"calculation": { "distance": 19550 },
"methodology": { "framework": "GLEC v3.2" }
}

Fast

Edge-deployed. Most requests return in under 40ms with 99.9% uptime.

Certified

GLEC Framework v3.2 emission factors. ISO 14083 aligned. Audit-ready output.

Developer-first

REST API with OpenAPI spec. See API documentation and customer case studies.

Global coverage

150+ countries with region-specific emission factors, not just global averages. Read more on the blog.

Ship in an afternoon.

One REST endpoint. Send origin, destination, weight, and mode. Get back certified emissions with full methodology references.

All four transport modes — road, rail, sea, air
WTW, TTW, and WTT breakdowns in every response
Automatic geocoding — city names or coordinates
JSON output with methodology data for compliance

curl -X POST "https://api.ecofreight.co/v1/calculate" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "origin": "New York, NY",
    "destination": "Los Angeles, CA",
    "weight": 5000,
    "mode": "road"
  }'

Simple pricing

Free to start. Upgrade when you need more volume.

Free

For exploring and prototyping

500 API calls / month
All transport modes
GLEC v3.2 factors
WTW / TTW / WTT breakdown
REST API access

Popular

Pro

For production workloads

$49/mo

10,000 API calls / month
Everything in Free
Priority support
Usage analytics dashboard
Webhook integrations

Enterprise

High volume and custom needs

Custom

Unlimited API calls
Everything in Pro
Dedicated support
SLA guarantees
Custom integrations