Calculate & offset CO2 emissions

Join 500+ companies using KlimAPI to integrate sustainability into their everyday operations.

Start now for free
Example MockupExample MockupExample Mockup
Node.js
Python
PHP
Wget
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klimapi.pendingByCalculation({
  pendingByCalculationRequest: {
    calculationOptions: [
      {
        "type": "freighting_goods",
        "departure": "Berlin, Germany",
        "destination": "Munich, Germany",
        "weight": 5,
        "weight_unit": "kilograms"
      }
    ],
  },
}).then((data) => {
  console.log(data);
});
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100% GHG compliant

Our system is fully compliant with the GHG protocol

The latest emission factors

We take care of up-to-date and accurate factors for calculating emissions

Blazingly fast API

We answer more than 95% of API requests in under 100ms

Reliable offsets

Only the best 5% of projects make it through our comprehensive due diligence process

Build with our robust API infrastructure

We make calculating and offsetting easier than ever for you. So you can concentrate fully on your core business.

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Availability of the API

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Requests/day

Available languages

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Currencies

Data Center Preview
Certificate Preview

Get individual carbon offsets with just one API call

We issue an individual certificate for each offset, which can be branded. You can also host the certificates on your own domain. Optionally, you can also query all the details of the certificate via API and create your own certificate page.

View sample certificate

Industry-leading number of automated calculation options

Air travel
Car journey
Ferry
Hotel stay
Bus trip
Train journey
Fuel
Freight
Cloud Computing
Electricity
Nutrition
Water consumption
Textiles
Electronics
Real estate
Furniture & furnishings

Full transparency

Our offsetting projects

Worldwide distributed projects

Our project portfolio spans all continents and includes a variety of technologies and project types. This enables us to ensure that we have the right project for everyone.

Hand selected

Our in-house team of offsetting experts carefully selects projects and ensures that they meet the highest standards. In addition, all projects are certified by independent third parties.

Technology first

To ensure the greatest possible impact, we use the latest technologies to combat climate change in our projects. We enable solar parks, wind farms, biogas plants and much more.

Learn more about our portfolio
Projects Map

Our standards and certifications

GHG Protocol
GLEC
GSTC
IEnvA
VdrStandard
GDPR
Iso27001
Iso14001

Resources to get you started

No credit card required - Create an account now

Create an account and start calculating and offsetting the CO2 emissions directly via our API. Do you still have questions or need a customized offer? Use the chat or make an appointment directly with our sales team.