Carbon Interface

Overview

Carbon Interface estimates carbon footprints for flights, vehicles, and shipping — key-based (an invalid key returns 401, verified).

Quick Start

Estimates (replace YOUR_KEY):

curl "https://www.carboninterface.com/api/v1/estimates" \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json"

{ "data": { "attributes": { "carbon_g": 1250000 } } }

Authentication

• Register at carboninterface.com → API key.
• Send it as Authorization: Bearer YOUR_KEY (invalid → 401, verified).

Rate Limits & Notes

• Free tier with limits (check the docs); paid plans scale.
• Estimates for flights, vehicles, shipping, and electricity.

FAQ

Is Carbon Interface free? Free tier with limits; more is paid.

Why 401? Invalid keys return 401 (verified) — register for a key.

What’s the auth style? Authorization: Bearer header.