You can refer to these troubleshooting steps should you be unable to use your Mari Credit Card and/or apply Mari Credit Card Instant Checkout as a payment method on Shopee when making purchases.
On your MariBank app, please also check that you have activated Online & In-App Payments under Payment Controls.
⚠️Note:
For optimal experience, do also ensure that you are using the latest version of the Shopee App and have a stable internet connection.
For further assistance, please reach out to MariBank's 24-hour Customer Service at +65 6995 8688 or help@maribank.sg for assistance.