TLDR:OKX SG, Grab, and StraitsX launch Singapore’s first stablecoin scan-to-pay service for USDT and USDC payments.Merchants receive Singapore dollar settlements instantly, avoiding digital token custody and volatility risks.GrabPay’s merchant network enables everyday crypto payments, from coffee to dining, across Singapore.StraitsX plans to expand OKX Pay coverage and explore cross-border stablecoin payment rails.Stablecoins have landed in everyday life across Singapore. OKX SG, in partnership with Grab and StraitsX, has launched a scan-to-pay service that lets users settle transactions with stablecoins. Payments made in USDT or USDC are instantly converted into Singapore dollars for merchants. The system is designed to remove volatility risks while keeping flows familiar for businesses. It marks a step where crypto moves from trading screens into daily purchases.Stablecoin Payments Integrated with GrabStraitsX confirmed on X that it is powering OKX Pay, which allows stablecoin payments through the GrabPay merchant network. The company explained that transactions will be settled in Singapore dollars directly to merchants’ accounts. This means businesses do not need to hold or manage digital tokens, lowering barriers to adoption.OKX SG users can now pay for food, coffee, or transport services by scanning an SGQR code at GrabPay-supported outlets. Payments are executed using USDT or USDC balances in the OKX app. StraitsX infrastructure handles the regulated conversion into fiat, ensuring compliance and finality.Grab’s financial arm said the integration is meant to reduce friction for users and create new payment options for small and medium-sized businesses. By plugging stablecoins into existing settlement rails, the process stays simple for merchants while expanding choice for consumers.According to StraitsX, the platform is built to deliver instant settlement, safeguard compliance, and remove price fluctuation risks for everyday use. The approach makes stablecoin payments feel as straightforward as any other cashless transaction in Singapore.We're proud to be launching OKX Pay, Singapore’s first stablecoin scan-to-pay service, in partnership with @GrabSG and @OKXSG.This partnership brings stablecoin payments to everyday life. Using StraitsX’s regulated payment infrastructure, OKX Pay users can now pay with… pic.twitter.com/4COLVQrfjm— StraitsX (@StraitsX) September 30, 2025OKX Pay Expands Crypto Utility in SingaporeOKX SG Chief Executive Gracie Lin said the service aims to expand crypto use beyond speculation. She described it as a way to help Singaporeans spend digital assets on daily needs, from coffee to dining out.StraitsX co-founder Tianwei Liu said the future of payments relies on trust, speed, and interoperability. He added that stablecoins will play a role in building cross-border settlement networks.The companies plan to add support for more stablecoins and extend coverage across retail, dining, and services. Beyond Singapore, StraitsX intends to push its settlement network into international remittances.With Grab’s wide merchant reach, the launch places stablecoin payments into one of the busiest payment ecosystems in Southeast Asia. OKX Pay now moves crypto from an investment asset into a direct consumer payment option.The post OKX SG Brings Stablecoin Payments to Grab With StraitsX Settlement Rails appeared first on Blockonomi.