Website Carbon

API

Free API for estimating web page carbon footprints

Overview

The Website Carbon API provides RESTful endpoints to calculate the carbon footprint of loading a web page. Send a GET request with a target URL to retrieve metrics like CO₂ emissions per load, energy consumption, green hosting status, and comparisons to average pages. Responses are in JSON format, including actionable insights for reducing environmental impact. Ideal for developers building eco-friendly tools, content managers auditing site sustainability, or agencies optimizing client websites to lower carbon footprints.

Example Integration (JavaScript)

script.js JS


fetch('https://api.websitecarbon.com/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful
JSON Support
No API Key Required
URL-Based Queries

Frequently Asked Questions

? Is Website Carbon API free to use?

Yes, the Website Carbon API is free for public use, though rate limits may apply to ensure fair access.

? Does it require an API Key?

No, the API does not require an API key for basic requests, simplifying integration into applications.

? What is the response format?

All responses are in JSON format, containing metrics like CO₂ emissions, energy usage, and green hosting status.

Top Alternatives

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Tool Info

Pricing Free

Category Environment

Platform Public API

Pros

⊕ Easy to integrate
⊕ Provides actionable sustainability metrics

Cons

⊖ Rate limits may apply
⊖ Limited to current page load data