What is the transaction fee for online payment on Alibaba.com?

Alibaba.com Trade Assurance Service is free for the buyers. You may, however, be charged for a transaction fee when you complete your order payment online.

Alibaba.com collects transaction fees to enable us to provide online checkout technology to buyers. Please refer to Alibaba.com Checkout page to confirm final transaction fee amount for your order payment.

Here is a breakdown of transaction fee by payment method: https://cashier.alibaba.com/payment/pricingTable.htm

You could select "pay from" to view the options available in your country/region as shown in the image below.