v51

OpenAPI 3.0.0raw.githubusercontent.com2026-08-01267339950.6 KB

Domains: Availability

Check domain availability

Check availability of domain names across multiple TLDs.

Multiple TLDs can be checked at once. If you want alternative domains with response, provide only one TLD and set with_alternatives to true. TLDs should be provided without leading dot (e.g. com, net, org).

Endpoint has rate limit of 10 requests per minute.

Use this endpoint to verify domain availability before purchase.

post/api/domains/v1/availability

Request body

domainstring required

Domain name (without TLD)

tldsstring[] required

TLDs list

with_alternativesboolean

Should response include alternatives

Example request

{
  "domain": "mydomain",
  "tlds": [
    "com",
    "net",
    "org"
  ],
  "with_alternatives": true
}

Response

Success response

domainstring nullable

Domain name, null when not claimed free domain

is_availableboolean

true if domain is available for registration

is_alternativeboolean

true if domain is provided as an alternative

restrictionstring nullable

Special rules and/or restrictions applied for registering TLD

Example response

[
  {
    "domain": "mydomain.tld",
    "is_available": true
  }
]