To offer your customers PayPal as a convenient and familiar payment method via Adyen, you need to link your PayPal Business Account once. During this process, you authorise Adyen as a technical third-party provider for payment processing and submit the relevant account details to Aufinity. This means that incoming PayPal payments are recorded fully automatically, synchronised directly with your orders and incorrect postings are prevented.
💡 The most important points at a glance:
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One-off authorisation: Adyen is securely authorised for API access using the third-party name
paypal_api2.adyen.com. - Full control: You only grant authorisation for payment processing; your login details remain secure with you.
- Final handover: For final activation with Adyen, Aufinity only requires your PayPal merchant ID and your primary PayPal email address.
Step-by-step guide to configuring PayPal for Adyen
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Access account settings: Log in to your PayPal Business Account and click your profile icon in the top right or click “Account settings”.
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Edit API access: In the left-hand navigation, select “Account access” and, in the “API access” row, click “Edit” (or “Update”).
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Grant API authorisation: Navigate to the “Preconfigured payment solution” section and click the “Grant API authorisation” link.
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Enter the third-party username: Enter the following value exactly in the “Username for third-party authorisation” field:
paypal_api2.adyen.com. Then click “Look up”. -
Assign and add permissions: Select the required permissions according to the options displayed for processing and transaction verification, then click “Add”.
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Make a note of the PayPal merchant ID: Navigate to “Account settings” again and select “Business information” on the left. Make a note of the PayPal merchant ID shown there.
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Check the PayPal email address: In the account settings, click “Account holder information” and make a note of your primary PayPal email address.
- Submit the information to Aufinity: Send the PayPal merchant ID and PayPal email address you noted to your contact at Aufinity. They will complete the final link with Adyen for you.
📌 Important note: When entering the third-party name, make sure not to copy any leading or trailing spaces. Also ensure that your PayPal Business Account is fully verified and that there are no outstanding confirmations, as unverified accounts are automatically rejected by Adyen.