HIGHTEMP Payment Notice

Please confirm the following before using international card checkout.

1. International card checkout is available through the overseas card payment route.
2. Final approval depends on the card issuer and payment network.
3. Your card issuer may apply foreign transaction fees, exchange-rate handling, or statement processing rules.
4. Some cards may require 3D Secure or another issuer authentication step.
5. If payment is declined, please try another eligible card or contact your card issuer.
6. Do not send card numbers, CVC, passwords, or 3D Secure authentication codes to HIGHTEMP support.
7. Refund eligibility is determined by the refund policy, including payment date and usage history.