Use our infrastructure for FREE.

Simply pay for individual offsets and our extensions.

Only Calculate CO2 Emissions

Pay-as-you-go

‚ā¨9.90 / 1,000 Calculations

All prices excl. VAT.

Calculate & offset CO2 Emissions

Free

Our costs are already included in the offset prices, no additional fixed costs.

Only Offset CO2 Emissions

Free

Our costs are already included in the offset prices, no additional fixed costs.

Calculate EmissionsOffset Emissions

Comprehensive API

OpenAPI-Spec documented

PHP & Nodejs Libraries

Custom webhooks

21 different languages

100+ different currencies

Customized certificates

Dynamic branding

Show calculation results

Individual & customizable recipients

Calculate Emissions

2.000+ Categories

Internationally applicable

At the cutting edge of research

Real-time calculation

Checkout Links

5 different languages

12 different currencies

Hosted page and payments

Dynamic payment methods

Dashboard & Analytics

Real-time overview

Monitor all payments

List API requests and debug

Add your team

Safety and compliance

ISO 14001 certified company

State-of-the-art data encryption

ISO 27001 compliant Data centers

GDPR compliant

Our integrations

CO2 calculator pages

Our CO2 calculator pages make it possible to perform calculations without the direct help of our API. They are super easy to configure and use, without any programming experience.

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Preconfigured checkout links

Preconfigured checkout links work like payment links, but can be used multiple times. Use them to make an offer to as many people as you like.

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E-Commerce

With our e-commerce system you can connect your store, whether WooCommerce, Shopify, another platform or your own development, with KlimAPI.

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Extensions

Single Sign-On

Secure other extensions with your own authentication. We currently offer oAuth2 with a variety of configuration options.

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‚ā¨55.00

per month
First month free of charge

Domains

With our domain extension, you can easily make our public project and certificate pages available on your own domain.

Learn more

‚ā¨50.00

per month
First month free of charge

All prices excl. VAT.

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.