You can issue refunds directly through EventsAir.
For more general information on refunds, read this article.
After you've canceled or adjusted item(s) on the attendee's record, go into Attendee Financials (under Actions menu).
Under the Refunds tab, select the item(s) to refund.
Scroll down and select "[whatever you've named your EventsAir Pay gateway in your setup]" as the refund type.
Check the box for for "Process Refund Via Gateway". Doing this enables the search button - you can click on it to search for "Previous Receipts"
Select the payment you want to refund.
This will return you to the earlier screen.
If needed, confirm the amount to be refunded by entering it into the "Payment Received" box. You can also add a comment for your reference.
Save and close and you'll see the refund completed.
You don't need to do anything in your Stripe or Airwallex account.
See below for a quick step-by-step through this process.
Refunds in other currencies
When you manually cancel and issue a refund but your customer paid in a different currency, Stripe refunds your customer in the currency they paid in using the same exchange rate used in the transaction. You pay nothing to cover the refund and your customer is refunded the same ticket price as they paid.
However, if the exchange rate has changed in the meantime, the attendee might, in effect, get back an amount that is now worth less than what they paid. Therefore, you may want to ensure your refund policy covers this, for example:
"If you opt to pay in your local currency on the initial transaction, and later ask for a refund, the refund amount will be based on the exchange rate used for the initial transaction and you agree to absorb any difference based on changes to the exchange rate."