ABA Merchant is free to use mPOS solution for any sized businesses including an individual entrepreneurs who has an account with ABA Bank. Your business can be a cafe, phone shop, beauty salon, delivery service or any other business. You just need to download the app, activate with your ABA account and you are ready to start accepting payments from your customers. KEY ADVANTAGES Go cashless ABA Merchant allows accepting payments by presenting universal QR code that works for ABA PAY, Visa