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Spend management

To integrate emission calculations into your spend management application, the transactions and transaction documents endpoints are your go-to solution. These flexible endpoints allow you to calculate emissions for one or several expenditures in one request.

Getting started

Start by exploring the transaction guides. Learn how to calculate emissions for your transactions using the API or a CSV.
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Calculate emissions for transactions using the API.
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Calculate emissions for transaction documents (such as invoices) using the API.
Would you rather upload your data instead of integrating with the API? Explore our CSV upload guide to access all emissions calculation functionalities - no API integration required.

Additional resources

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Review CO₂e and other concepts underlying emissions calculations.
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Generate an API key and authenticate your account.