How do I check the LINE Pay Transaction number? Created May 17, 2020 08:07 Updated June 28, 2020 06:08 To check the LINE Pay transaction number, follow the steps below: 1. Open the LINE app. 2. Select [Wallet]. 3. Select [LINE Pay] on the upper side. 4. Select [History]. 5. Select [Hulu]. 6. You will see a 19 digit transaction number. Related articles How do I restart my Hulu account with LINE Pay? How do I change the payment method? What type of payment methods can I use? I am currently using LINE Pay as a payment method. How can I change it? How do I check the iTunes Store order ID?