Carbon Interface
API to calculate carbon (C02) emissions estimates for common C02 emitting activities
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Yes
- Category
- Environment
- Data source
- public-apis + marcelscruz
- Documentation / URL
- https://docs.carboninterface.com/
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.
More in Environment
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|---|---|---|---|---|
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| Cloverly API calculates the impact of common carbon-intensive activities in real time | API Key | Yes | Unknown | ↗ |
| CO2 Offset API calculates and validates the carbon footprint | No auth | Yes | Unknown | ↗ |