10 Best Payment Gateways Singapore [2026]: PayNow + Fees

The best payment gateway in Singapore for 2026 comes down to three things: fees (from 1.0% + S$0.20 at the low end to 3.9%+ at the high end), PayNow and GrabPay support, and how fast you actually get paid. Below, we compare the 10 best Singapore payment gateways head-to-head — Stripe, HitPay, 2C2P, Airwallex, PayPal, Fiuu, and 4 more — on transaction fees, settlement timelines, PayNow + GrabPay coverage, and best-fit by business type.