You may reach out to the third-party payment channels via contact details below: Fiat partner How to contact Simplex https://www.simplex.com/support/ Banxa https://support.banxa.com/en/support/tickets/new MoonPay https://www.moonpay.com/contact-us Mercuryo mailto: support@mercuryo.io Coinify https://help.coinify.com/hc/en-us/requests/new UTORG https://utorg.pro/contacts/ Advcash https://support.advcash.com/hc/en-us/requests/new Fiahub https://www.fiahub.com/livechat/ Itez https://itez.com/contacts

For more information, go to www.okx.com/en-sg © 2025 OKX. All rights reserved. In order to comply with local regulations, certain features may not be available in your region.

Note: Other wallet connections are currently not supported on the OKX SG App, please use the Web: https://my.okx.com/en-sg Continue to connect your wallet You can choose to connect via OKX wallet extension You can also choose to connect via other methods If you choose to connect your wallet via WalletConnect, you can scan the QR code or select All Wallets to pick the wallet that you are using.

Arbitrum ASTR Astar ATOM Cosmos AVAX Avalanche AXS Axie Infinity BADGER Badger DAO BAL Balancer BAND Band Protocol BAT Basic Attention Token BCH Bitcoin Cash BICO Biconomy BLUR Blur BNB BNB BNT Bancor Network BONK Bonk BSV Bitcoin SV BTC Bitcoin BTT BitTorrent CEL Celsius Network CELR Celer Network CFG Centrifuge CHZ Chiliz COMP Compound CQT Covalent CRO Crypto.com CRV Curve Finance CSPR Casper Network CVC Civic CVX Convex Finance DAI Dai DOGE Dogecoin DOT Polkadot DYDX dYdX EGLD Elrond ENJ Enjin Coin ENS

BTC-USDT, ETH-USDT, XRP-USDT, SOL-USDT 100,000,000 DOGE-USDT 20,000,000 ADA-USDT, LTC-USDT, AVAX-USDT, BNB-USDT, LINK-USDT, SHIB-USDT, AAVE-USDT, PEPE-USDT, SUI-USDT, HYPE-USDT 10,000,000 ETC-USDT, DOT-USDT, BCH-USDT, FIL-USDT, NEAR-USDT, OP-USDT, TRX-USDT, UNI-USDT, CRV-USDT, XLM-USDT, ARB-USDT, WLD-USDT, TON-USDT, HBAR-USDT, WIF-USDT, ONDO-USDT, PENGU-USDT, TRUMP-USDT, XAUT-USDT, PUMP-USDT, WLFI-USDT 2,500,000 APE-USDT, APT-USDT, ATOM-USDT, DYDX-USDT, GALA-USDT, SAND-USDT, ALGO-USDT, CFX-USDT, ENS-USDT

DOGE-USDT, SOL-USDT, SUI-USDT, PEPE-USDT 10,000,000 TRX-USDT, ARB-USDT, OP-USDT, FIL-USDT, STETH-USDT, ETC-USDT, APT-USDT, SHIB-USDT, ADA-USDT, LINK-USDT, DOT-USDT, XLM-USDT, UNI-USDT, OKB-USDT, AVAX-USDT, BNB-USDT, AAVE-USDT, HBAR-USDT, WLD-USDT, LDO-USDT, NEAR-USDT, XAUT-USDT, TON-USDT, BONK-USDT, WIF-USDT, TRUMP-USDT, PI-USDT, BABY-USDT, JITOSOL-USDT, WLFI-USDT, LINEA-USDT 2,500,000 BCH-USDT, DAI-USDT, CFX-USDT, ATOM-USDT, APE-USDT, CRV-USDT, STX-USDT, ICP-USDT, ALGO-USDT, ORDI-USDT, PEOPLE-USDT, ENS-USDT

Note: Scan to Pay doesn't work for OKX Singapore users outside of Singapore, even if the merchant accepts GrabPay.Examples of where you can Scan to Pay: Cafés: BreadTalk, Cedele, Co+Nut+ink, Lavender Bakery, LiHo Tea, Paris Baguette, Duke Bakery Dining: Jumbo, Tung Lok, En Yeoh's Bak Kut Teh, Pizza Maru, Subway, Woke Ramen Shopping: Dyson, Innisfree, JD Sports, Lovet, SK Jewellery Health & Beauty: Jean Yip, Yun Nam Hair care, V Medical, A.M.

Kindly refer to: https://www.okx.com/docs-v5/en/#affiliate-rest-api