Namefi
Namefi is a domain registrar based in the United States. It is ICANN-accredited, with IANA ID 4337. It has an API that account holders can use.
| Website | namefi.io |
|---|
API access
| Status | Has an API |
|---|---|
| API | Has an API |
| Notes | Tokenized (NFT-backed) domain registrar with a developer API (x-api-key) and MCP server. |
About Namefi
| Headquarters | United States |
|---|---|
| Type | Retail registrar |
| ICANN accreditation | IANA ID 4337 |
| Site languages | English |
| RDAP server | https://api.namefi.io/v1/rdap/ |
Namefi in Lemon Domains
Bring Namefi 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 United States
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Blocked | |
| Blocked |
Sources: the ICANN list of accredited registrars and the IANA registrar ID registry (refreshed 2026-10-24), and Namefi'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 Something out of date?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 Namefi ICANN-accredited?
Yes. Namefi is on the ICANN list of accredited registrars, so it can register generic extensions such as .com directly with the registries.
What is Namefi's IANA ID?
4337. 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 Namefi operate under?
Its accreditations are also held as D3Serve Labs Inc. dba Namefi. Domains registered through any of them can show those names as the registrar.
Does Namefi have an API?
Yes. Namefi offers an API to account holders. Tokenized (NFT-backed) domain registrar with a developer API (x-api-key) and MCP server. Namefi domains come into Lemon Domains by paste or CSV import.