StableDomains vs Atom
Atom launched agent purchases with Coinbase x402 on 27 Oct 2026. Here is a factual side-by-side. Checked 29 October 2026. Products and prices change, so check the sources before relying on a detail.
| StableDomains | Atom | |
|---|---|---|
| Agent payment | x402 (USDC on Base, gasless) plus direct USDC/USDT transfer on 7 chains | x402 USDC on Base (Coinbase Business checkout); cards via MPP (Stripe/Tempo) |
| USDT | Yes | Not mentioned in the announcement |
| Payment timing | Pay, then registration starts on confirmation; premium or taken names are refused before you pay | Authorize-and-capture: payment is captured once registration succeeds |
| MCP | /api/mcp, 37 tools | mcp.atom.com: search, availability, appraisals, start purchases |
| What agents can buy | New registrations in .ai .app .co .com .dev .io .net .org .xyz | New registrations today; premium listings "next" |
| Strengths | Stablecoin-native, multi-chain, Drop Radar, DNS and renewals via API | Large premium marketplace, appraisals, naming heritage (100,000+ startups) |
When to pick which
- Atom for premium or aftermarket names and appraisals, or if your agent pays by card.
- StableDomains for new registrations paid in USDT or on chains other than Base, plus DNS and renewals over the same MCP/API.
Buy a domain with stablecoins →
Sources (accessed 29 October 2026):
- Atom announcement
- Atom register_domain API
- Atom MCP docs
- StableDomains pricing
- StableDomains agents guide
See all comparisons at /compare.