Pricing

$3.00 / 1,000 domain checkeds

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Domain Availability Checker

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Check domain name availability and registration data (registrar, dates, nameservers) in bulk via RDAP.

Pricing

$3.00 / 1,000 domain checkeds

Rating

0.0

(0)

Developer

Gio

Actor stats

Bookmarked

Total users

Monthly active users

a day ago

Last modified

Input

Field	Type	Description
`domains`	array	List of domain names to check, e.g. `["example.com", "mystartup.io"]`
`domain`	string	Single domain (used if `domains` is not set)
`maxItems`	integer	Max domains to check per run

Example:

{
    "domains": ["mystartup.com", "mystartup.io", "mystartup.ai"]
}

Output

{
    "domain": "example.com",
    "available": false,
    "registrar": "RESERVED-Internet Assigned Numbers Authority",
    "creationDate": "1995-08-14T04:00:00Z",
    "expirationDate": "2026-08-13T04:00:00Z",
    "updatedDate": "2024-08-14T07:01:38Z",
    "nameServers": ["A.IANA-SERVERS.NET", "B.IANA-SERVERS.NET"],
    "status": ["client delete prohibited"],
    "scrapedAt": "2026-07-19T00:00:00.000Z"
}

Common uses

Brand-name / startup-name domain availability sweeps across many TLDs
Domain portfolio monitoring (expiration dates, registrar changes)
Lead generation: find recently-expired or soon-to-expire domains
Trademark and brand-protection checks

Notes

Backed by RDAP (Registration Data Access Protocol), the IANA-standardized, structured-JSON successor to WHOIS — supported by all gTLD registries and most ccTLDs. Unregistered domains return available: true with no registration data.

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