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Last updated: June 26, 2026
The following topics cover payment processing operations:
Integrate payment methods and checkout flows for your merchants. For more information, see Accept payments.
Note: Fastlane is available by default with the Expanded Checkout solution on embedded integration and does not require any additional steps for enablement.
Capture authorized payments and transfer funds. For more information, see Immediate capture.
Process refunds for transactions at any stage of the payment flow using the Refunds API.
Configure required headers including PayPal-Partner-Attribution-Id for tracking and PayPal-Auth-Assertion JWT for merchant authentication. For JWT creation guidance, see the API requests documentation. For more information, see Refunds API documentation.
Implement customer dispute resolution for your platform. For more information, see Manage disputes and chargebacks.
Generate daily reports for transaction reconciliation, revenue management, and operational insights. For more information, see Reports.