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Climatiq API

Carbon emissions calculation API for developers to embed sustainability data into any application or workflow.

Listed Needs re-verification
Sustainability ESG $ Small business Mid-market Enterprise

What it does

Climatiq is an emissions calculation API enabling software developers to embed carbon footprint calculation into any application or workflow - without building and maintaining emissions factor databases themselves. The API takes activity data inputs (electricity in kWh, distance traveled in miles, spend in a category) and returns CO2 equivalent emissions calculated using curated, peer-reviewed emission factors from authoritative sources (IPCC, IEA, EPA). AI capabilities include intelligent emission factor selection matching activity inputs to the most appropriate factor by geography and time period, activity data normalization handling unit conversions, and automated factor freshness monitoring. Used by sustainability platforms, expense management tools, e-commerce platforms, and financial services companies.

Strengths

  • Mid-market platforms integrating sustainability features use Climatiq for reliable emissions calculation - API handling factor selection and unit conversion so product teams focus on the user experience.
  • Enterprise software vendors and financial institutions use Climatiq API at scale - embedding emissions calculation into expense platforms, banking apps, and supply chain systems.
  • SaaS companies and startups use Climatiq API to add carbon footprint data to their products - embedding emissions calculation without building the underlying emission factor database.

Watch-outs

  • API accuracy depends on activity data quality: Climatiq calculates emissions from the activity data it receives — inaccurate or incomplete activity data generates unreliable emissions estimates regardless of API quality.
  • Spend-based calculation has high uncertainty: When only spend data is available, Climatiq uses spend-based emission factors with high uncertainty ranges — results should be communicated with appropriate caveats.
  • Scope 3 calculation requires more than API alone: Comprehensive Scope 3 accounting requires supply chain data collection and organizational boundary decisions that go beyond what an emissions factor API provides.

Pricing

Free tier with 2,500 API calls/month. Starter at $199/month. Growth at $499/month. Enterprise pricing negotiated. Annual billing discount.