Walletmix Payment Gateway provides merchants with the ability to accept payments from multiple financial instruments in a secure manner. It encrypts sensitive payment information to prevent fraud and ensures total end-to-end security when information is passed between the client, merchant and payment processor. The gateway also offers fraud prevention measures like delivering invoices via email or SMS, and takes steps to prevent issues like phishing on merchant websites. It deposits funds within 2 days and refunds payments within 5-10 working days, while requiring documentation for foreign transactions.