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NetIntel Domain Availability Check
x402
NetIntel Domain Availability Check is a paid API for AI agents from netintel.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Checks domain name availability across multiple TLDs, returning registration status, registrar info, expiry dates, and an overall availability grade
Price / call$0.01
Success—
StatusUnknown
How this service works
Check if a domain name is available for registration by querying RDAP and DNS — pass a bare name (e.g. mybrand) to sweep it across 10 popular TLDs simultaneously, or a full domain (e.g. mybrand.com) to check that single domain — returns registration status, expiry date if registered, and available/taken TLD lists so agents can find the best domain for a brand or project.
Output
Returns a JSON object with a domain name, an overall availability grade (e.g. 'C'), a numeric score (0-100), a results array listing each TLD's registration status, registrar, expiry date, and expiring-soon flag, plus arrays of taken and available TLDs, and findings explaining score deductions.
Example use cases
Example prompt
“Can you check which TLDs are available for 'acmelaunch' — I want to know if the .com, .io, and .co are taken, who owns them, and whether any are expiring soon?”
Technical details
Endpoint
GEThttps://netintel.dev/domain-availability/checkWhen to prefer
Use this endpoint when you need a multi-TLD domain availability sweep with graded scoring and registrar/expiry metadata in a single call, rather than a simple single-domain WHOIS lookup. Ideal for brand name research, startup naming, or monitoring domains that may be expiring soon.
Side effects
- Missing required 'domain' query parameter returns a 400 error
- Invalid or malformed domain string may return an error or empty results
- Payment not received or rejected results in 402 Payment Required
- Rate limiting or provider-side WHOIS throttling may cause timeouts
- Very new or obscure TLDs may not be checked or may return incomplete data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "mybrand",
"grade": "C",
"score": 70,
"results": [
{
"domain": "mybrand.com",
"status": "registered",
"available": false,
"registrar": "GoDaddy LLC",
"expires_at": "2025-06-01T00:00:00Z",
"expiring_soon": true,
"days_until_expiry": 79
},
{
"domain": "mybrand.io",
"status": "available",
"available": true,
"registrar": null,
"expires_at": null,
"expiring_soon": false,
"days_until_expiry": null
}
],
"findings": [
{
"rule": "com_taken",
"detail": "mybrand.com is already registered",
"deduction": -20
}
],
"taken_tlds": [
".com",
".net",
".org"
],
"available_tlds": [
".io",
".co",
".xyz"
]
}
}Tags
x402
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