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UK Carbon Intensity API

by UK Carbon Intensity Free tier

The Official Carbon Intensity API for Great Britain developed by National Grid

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Quick Reference

Base URL https://carbon-intensity.github.io Auth type none Auth header # No auth required Rate limit See documentation Pricing Free tier available Free quota Completely free Documentation https://carbon-intensity.github.io/api-definitions/#carbon-intensity-api-v1-0-0 Endpoint status Server online — HTTP 404 — server is online but path returned an error (may require auth)1.23s (checked Mar 29, 2026) Builder score D 43% builder-friendly
Pricing
90
Latency
30
Depth
18

Authentication

No authentication required

# No auth required

Pricing

Model freemium Starting price Free tier available Free quota Completely free

Free — open public API, no authentication required.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://carbon-intensity.github.io'

Sample Response

{}

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