Dev tools · September 14, 2019

Trip to Carbon
A carbon footprint calculation API for travel.
Trip to Carbon launched on September 14, 2019 with 144 votes, #184 of 3,296 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
A carbon footprint calculation API for transport.
Trip to Carbon automates travel related carbon emission calculation with simple tools like the Trip to Carbon API & Carbon Calculator.
There are plans to make the core functionality of trip to carbon open source soon. Current Objective: developing API wrappers for different languages. If this is something you may be interested in then join the discord :) The API uses two methods outlined by the IPCC, DEFRA U.K & GHG Protocol. Here is a document detailing the calculation method The free API has a rate limit of about 5 requests per minute. Authenticated requests using API keys have a higher limit of 20 requests/min. The self-hosted APIs will not have one set by Trip to Carbon. The API is free to use at the current rate limits. Trip to Carbon will soon have a new open model that allows people to self-host the API and other…from triptocarbon.com
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