What is smooth.city?
smooth.city is a Japan-based Payments provider.
Is smooth.city usable in China?
smooth.city is basically usable in mainland China, though latency may vary by ISP and time of day; have a backup proxy ready. The provider is headquartered in Japan and primarily serves overseas markets.
How do I sign up for smooth.city?
Visit the smooth.city official site to complete sign-up. Registration typically requires an email (Gmail/Outlook recommended) and a payment method. Most overseas services accept credit card / PayPal / crypto. See the "Visit Official Site" button on this page for the direct link.