There are 2 ways.

Option A: Search through your transactions

  1. Click on Transactions
  2. Find the transaction you want to refund, and press on it. You should see “Transaction details”
  3. Select “Refund by SGD” or “Refund by BTC”
  4. Enter your 6 digit pin code
  5. Click “Make refund”

Option B: Type in invoice number

  1. Click “Transaction” and see which transaction you want to refund
  2. Click “Refund”
  3. Type in the first few, say 4, characters of the transactions you see.
  4. Click “Press Refund”
  5. Follow (3) to (5) above