How can I figure out the one-time checkout payment from the webhook/events data?

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How can I figure out the one-time checkout payments from the webhook or event data?

Solution

In order to identify one-time checkout, you can create a webhook for the "invoice generated" event and listen to the "recurring" parameter. For invoices created due to one-time checkout, the value for this parameter is "false" and the source of the event is "Hosted Pages".