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StableDomains Domain Availability Check
x402
StableDomains Domain Availability Check is a paid API for AI agents from stabledomains.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Check whether a domain name is available for registration and retrieve its pricing information
Price / call$0.05
Success—
StatusUnknown
How this service works
Check availability and pricing. Auth: x402/MPP.
Output
Returns whether the specified domain name is available for registration and, if so, the price in USDC to register it.
Example use cases
Example prompt
“Can you check if 'coolstartup.dev' is available to register on StableDomains, and tell me how much it would cost?”
Technical details
Endpoint
POSThttps://stabledomains.dev/api/checkWhen to prefer
Use this endpoint when you need to check domain availability and pricing before committing to a registration on StableDomains, especially when paying with USDC via x402/MPP protocol. Prefer this over manual WHOIS lookups when operating in a crypto-native or agent-automated workflow.
Side effects
- Invalid domain name format returns an error response
- Domain TLD not supported returns unavailable or error
- Network timeout or service unavailability returns 5xx error
- Missing or invalid x402/MPP authentication returns 401/402
Input
{
"domain": "testexample.dev"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Full domain (e.g. "example.com"). Supported TLDs (28): .ai, .app, .biz, .cloud, .co, .com, .dev, .email, .info, .io, .link, .live, .me, .mobi, .name, .net, .online, .org, .page, .pro, .shop, .site, .store, .studio, .tech, .tv, .uk, .xyz. |
Output
{
"tld": "dev",
"domain": "testexample.dev",
"premium": false,
"available": true,
"basePrice": "$25",
"currentPrice": "$25",
"bondingMultiplier": "1x",
"dailySlotsRemaining": 10
}Tags
x402
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