SPACE ID
Multi-chain Web3 name service that issues .bnb and .arb names and lets communities launch their own TLDs.
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SPACE ID key facts
| Category | Web3 domain service |
|---|---|
| Chains | BNB Chain, Arbitrum, Ethereum |
| Platforms | Web, SDK, API |
| Custody | Self-custody |
| Pricing | Annual rent; fee depends on name length and registration duration |
| Token | ID token |
| Chains | .bnb on BNB Chain, .arb on Arbitrum, .eth on Ethereum |
What is SPACE ID?
SPACE ID is a Web3 name service that runs .bnb on BNB Chain and .arb on Arbitrum and offers a toolkit for communities to launch their own top-level domains. Its developer docs say the registration fee depends on name length and duration, and names are rented by the year. The docs say .bnb reached 168K unique holders within 6 months of launch.
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Registrar for Web3 domains and custom Web3 top-level domains, with royalties for TLD owners.
SPACE ID pros and cons
- One portal to search, register and manage names across several TLDs
- SDK and API for apps to resolve Web3 names
- Partners can earn referral commission on .bnb and .arb registrations
- Names are rented per year and must be renewed
- Its docs do not publish a fixed price table
- Several docs pages were last updated 2 to 3 years ago
SPACE ID FAQ
What is SPACE ID?
SPACE ID is a Web3 name service that runs .bnb on BNB Chain and .arb on Arbitrum and offers a toolkit for communities to launch their own top-level domains. Its developer docs say the registration fee depends on name length and duration, and names are rented by the year. The docs say .bnb reached 168K unique holders within 6 months of launch.
Which chains does SPACE ID support?
BNB Chain, Arbitrum, Ethereum.
How much does SPACE ID cost?
Annual rent; fee depends on name length and registration duration, according to SPACE ID’s own page (checked Sep 26, 2026).
Does SPACE ID hold my funds?
No. SPACE ID is self-custody: you keep your funds in your own wallet and sign each transaction.
Sources
How this page works
Sources: SPACE ID: official site, SPACE ID: Registration integration docs, SPACE ID: ID token docs. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.