MarkSmile (Hangzhou)
MarkSmile (Hangzhou) is a corporate domain registrar based in China. It is ICANN-accredited, with IANA ID 3777.
| Website | marksmile.com |
|---|
API access
| Status | Blocked |
|---|---|
| API | Brand-protection registrar that serves companies under contract; no self-serve API for account holders. |
| Notes | Appears to be a brand-protection / corporate registrar from its name; not verified. |
About MarkSmile (Hangzhou)
| Headquarters | China |
|---|---|
| Type | Corporate registrar for brands |
| ICANN accreditation | IANA ID 3777 |
| Site languages | Chinese |
| RDAP server | https://rdap.marksmile.com/rdap/ |
MarkSmile (Hangzhou) in Lemon Domains
Bring MarkSmile (Hangzhou) domains into Lemon Domains by pasting the domain list or uploading a CSV export, next to the domains from every other registrar you use. Lemon Domains tracks expiry dates and lets your AI assistant answer questions about them through MCP.
Other registrars in China
| Blocked | |
| Integrated | |
| Blocked | |
| Has an API | |
| Blocked | |
| Has an API |
Sources: the ICANN list of accredited registrars and the IANA registrar ID registry (refreshed 2026-10-24), and MarkSmile (Hangzhou)'s own site and documentation (reviewed 2026-10-24). This page is also available as Markdown and JSON. Something out of date? Tell us.
Frequently asked questions
Is MarkSmile (Hangzhou) ICANN-accredited?
Yes. MarkSmile (Hangzhou) is on the ICANN list of accredited registrars, so it can register generic extensions such as .com directly with the registries.
What is MarkSmile (Hangzhou)'s IANA ID?
3777. The IANA registrar ID appears in the registrar field of a domain's public record, so it shows which registrar a domain is with.
What other names does MarkSmile (Hangzhou) operate under?
Its accreditations are also held as Hangzhou MarkSmile Technology Co., Ltd. Domains registered through any of them can show those names as the registrar.
Does MarkSmile (Hangzhou) have an API?
Not one that account holders can use. Brand-protection registrar that serves companies under contract; no self-serve API for account holders. MarkSmile (Hangzhou) domains come into Lemon Domains by paste or CSV import instead.