Which payment gateway has the lowest fees?

The lowest fees often depend on your business volume and the payment methods accepted. PayKun is noted for having a competitive per-transaction charge (TDR) of flat 1.75% in its standard plan. Paytm All-In-One Payment Gateway is a low-cost option, offering a 0 Setup fee and no annual maintenance charges. For small merchants, Paytm offers 0.00% MDR on UPI and Rupay Debit cards.