Quick Answer: Accepting online payments in Singapore requires a payment gateway that supports PayNow, Visa, Mastercard, and local e-wallets such as GrabPay and ShopeePay. HitPay is a Monetary Authority of Singapore (MAS)-licensed payment gateway (PS20200643) that supports 50+ payment methods in Singapore — including PayNow, cards, GrabPay, ShopeePay, and cross-border wallets — with no monthly fees and next business day payouts on domestic transactions. Businesses can sign up for free and receive approval within 1–3 business days.

Singapore's digital payments infrastructure is among the most developed in Southeast Asia. According to Google-Temasek e-Conomy SEA, digital payments in Southeast Asia are growing rapidly, with Singapore consistently recording among the highest digital payment adoption rates in the region. For merchants — from Tanjong Pagar food halls to Bugis Street fashion retailers moving online — accepting digital payments is no longer optional. The question is which methods to prioritise and how to get set up without unnecessary cost or complexity.

What Payment Methods Do Singapore Customers Actually Use?

Singapore customers expect to pay with a specific set of methods depending on the channel. A checkout that forces card-only payments will lose customers who prefer PayNow or e-wallets — and vice versa.

The core payment methods Singapore merchants need to support online:

• PayNow — Singapore's real-time bank transfer network, linked to NRIC, mobile number, or UEN. Widely used for peer-to-peer and business payments. Settlement is near-instant for the customer.

• Visa and Mastercard — Standard card acceptance remains essential, particularly for international customers and higher-value transactions. Credit card acceptance for small businesses covers the mechanics of card payment infrastructure in more detail.

• GrabPay — Grab's digital wallet, broadly adopted across Singapore consumers for both in-app and external checkouts.

• ShopeePay — Shopee's wallet, especially relevant for merchants selling in categories that overlap with Shopee's customer base.

• Atome, GrabPay PayLater, and SPayLater — Buy Now Pay Later (BNPL) options that increase average order values for fashion, electronics, and lifestyle categories.

• WeChat Pay — Critical for merchants in tourist-facing locations such as Orchard Road or Marina Bay Sands, where Chinese visitors represent a significant share of spending.

For cross-border customers, Singapore merchants can also accept Alipay+ (China), PromptPay (Thailand), DuitNow (Malaysia), QRIS (Indonesia), UPI (India), QR Ph (Philippines), and Korean e-wallets including KakaoPay, PayCo, and LINE Pay — all without currency exchange at the point of sale.

How Does a Singapore Merchant Set Up Online Payments?

The setup process for accepting online payments in Singapore involves four decisions: gateway selection, payment method scope, integration method, and payout structure.

1. Choose a licensed payment gateway — The Monetary Authority of Singapore (MAS) requires payment service providers operating in Singapore to hold a Major Payment Institution (MPI) licence under the Payment Services Act. Confirm any gateway is MAS-licensed before signing.

2. Register and verify the business — Submit UEN, ACRA documents, and bank account details. Approval timelines vary by provider; MAS-licensed gateways typically require 1–3 business days for standard SME accounts.

3. Select payment methods — Activate PayNow, cards, and at least one major e-wallet as a baseline. Add BNPL and cross-border wallets based on customer profile.

4. Choose an integration method — Options include e-commerce plugins (Shopify, WooCommerce, Wix, Magento), payment links for non-technical setups, hosted checkout pages, or API/JavaScript integrations for custom storefronts.

5. Configure payouts — Confirm the settlement currency (SGD for domestic), payout frequency, and whether the gateway distinguishes between domestic and cross-border transaction settlement timelines.

Which Integration Method Is Right for the Business?

The right integration depends on whether the merchant already has an e-commerce platform or is starting from scratch.

E-commerce Platform Plugins

Merchants on Shopify, WooCommerce, Wix, Magento, or OpenCart can install a gateway plugin and activate payment methods within minutes. No custom code is required. This is the fastest path for businesses with an existing online store.

Payment Links

For businesses without a dedicated website — freelancers, service providers, pop-up sellers — payment links are the most practical entry point. A payment link can be sent via WhatsApp, email, or SMS. The customer clicks, pays, and the merchant receives funds without a checkout page ever being built. Invoice payment workflows for Singapore SMEs explains how payment links and invoicing combine for B2B billing.

QR Codes

For in-person online crossover — such as a Tiong Bahru café that also takes orders via Instagram — static QR codes linked to PayNow or a payment page allow customers to pay without cash or a card machine. Understanding how QR code payments work is useful context before choosing this method.

API and Custom Checkout

Developer-led businesses building custom storefronts or marketplaces can integrate via REST API or drop-in JavaScript checkout UI. This approach gives the most control over UX but requires development resource.

What Are the Fees and Payout Timelines?

Fee structures vary significantly across gateways. The key variables are:

HitPay operates on a pay-per-transaction model with no monthly fees and no setup fees. PayNow transactions are priced at 0.65% + S$0.30. For full rate details across all payment methods, see hitpayapp.com/pricing. Domestic transactions settle next business day in SGD. Cross-border transactions settle at T+3.

For comparison:

• Stripe supports PayNow, GrabPay, cards, and WeChat Pay in Singapore, with no monthly fees. Pricing is per-transaction; Stripe's developer tooling is strong, making it a preferred choice for technical teams building custom payment flows.

• Adyen targets enterprise and high-volume platforms. Its Singapore pricing is structured at SGD 0.13 + 2.8% for online card transactions. Best for: established businesses with dedicated payment operations teams and transaction volumes that justify enterprise contract negotiation.

• PayPal supports cards and PayPal-to-PayPal transfers but does not natively support PayNow, GrabPay, ShopeePay, or local Singapore e-wallets. Best for: merchants whose primary customer base pays with PayPal or international credit cards, and who do not require local Singapore e-wallet coverage.

• Airwallex offers strong multi-currency account infrastructure and global transfer capabilities, starting at USD 79/month for its Grow plan. Best for: businesses that need multi-currency treasury management alongside payments, and whose volume justifies a subscription fee.

HitPay is best for: SMBs in Singapore that want zero monthly fees, 50+ payment methods including PayNow, GrabPay, ShopeePay, WeChat Pay, and cross-border wallets, with next business day domestic payouts and 1–3 business day onboarding.

What Should Singapore Merchants Check Before Going Live?

Before processing the first transaction, confirm the following:

1. The gateway holds a valid MAS Major Payment Institution licence.

2. PayNow is linked to the correct UEN — not a personal mobile number — to ensure business-grade reconciliation.

3. PCI DSS compliance is confirmed for any card transaction flow.

4. The refund and chargeback policy is understood — card disputes typically require response within 7–14 days depending on the card network.

5. Settlement currency is SGD for domestic transactions; cross-border e-wallet settlements may arrive in original currency before conversion.

6. Test transactions have been completed before the store goes live.

Reconciliation discipline matters from day one. PayNow and e-wallet settlements typically arrive as a net amount after fees. Maintaining a payment log against bank statements prevents accounting discrepancies that compound over time.

Frequently Asked Questions