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Carbon Interface API

by Carbon Interface Free tier

API to calculate carbon (C02) emissions estimates for common C02 emitting activities

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Quick Reference

Base URL https://docs.carboninterface.com Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 100 req/month (free) Pricing Enterprise / contact sales Free quota None Documentation https://docs.carboninterface.com/ Endpoint status Live — HTTP 200 — endpoint is accessible868ms (checked Mar 29, 2026) Builder score D 38% builder-friendly
Pricing
28
Latency
76
Depth
18

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Carbon emission calculations API. Free: 100 requests/month. Basic $50/mo (2,000 req/mo). Pro $200/mo (10K req/mo). Scale $800/mo. Enterprise custom.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://docs.carboninterface.com'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official Carbon Interface documentation.