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Testing split payouts involves testing multiple steps:
  • Seller Creation
  • Payment Session Creation
  • Payout and Settlement

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Seller Creation

To create sellers in Sandbox, go to Settings → Sellers, select Test and click Add Seller.
  • In the Organization number field, put the organization number of the seller you want to test.
  • In the Seller ID field, put any value that would represent the seller in your system. It can be anything, but it needs to be unique.
For automatic approval, check Fast-track seller status and select Automatic approval from the dropdown. After clicking continue, you will reach this screen: The seller will then be approved automatically within a few minutes.

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Testing with the API

It’s of course possible to test sellers with the API as well. Follow this guide, and make sure to use the account id with a T-prefix. Use a bank account from Test bank accounts. For testing purposes you can also auto-approve, decline, or leave a new seller awaiting signature by adding magic values to payout_destination_description. See Auto-approve sellers.

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Payment Session Creation

Sessions can be created with the T-prefixed account as shown in Creating Split Sessions. You can put a payout_destination_id created above in the split items, but any other value is also valid here.

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Payout and Settlement

These are not available in the sandbox environment, as it is a complicated process involving payment providers and banks. As long as the seller exists and the session is created correctly, payouts and settlements are tested to work.
Last modified on June 29, 2026