# Carbon Interface API **Provider:** Carbon Interface **Category:** weather **Base URL:** `https://docs.carboninterface.com` **Auth:** api-key — `Authorization: Bearer YOUR_TOKEN` **Rate Limit:** 100 req/month (free) **Free Tier:** Yes — available **Pricing:** Enterprise / contact sales (subscription) **Docs:** https://docs.carboninterface.com/ ## Description API to calculate carbon (C02) emissions estimates for common C02 emitting activities ## Endpoints | Method | Endpoint | Description | |--------|----------|-------------| | GET | `https://docs.carboninterface.com/` | See documentation for endpoint reference | ## Authentication See documentation for auth details ``` Authorization: Bearer YOUR_TOKEN ``` ## Sample Request ```bash curl 'https://docs.carboninterface.com' ``` ## Sample Response ```json {} ``` ## Pricing Details 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. --- *Source: [API Map](https://apimap.dev/apis/carbon-interface/) — CC BY 4.0*