Free, rate-limited lookup of a domain's registration date, registrar and popularity rank.

GEThttps://api.rankparse.com/v1/tools/domain-ageFree (5 per tool per day per IP)Turnstile

Returns the registration date and registrar (from RDAP) and the Tranco popularity rank of a domain. It runs the same lookup as Check domain authority and keeps only these fields. Shared fields (tool, tier, quota), the daily allowance and the shared errors are described in Free tools.

Query parameters

domainstringrequired

Domain to check, for example github.com.

Response

domainstring

The normalized domain.

registered_atstring | null

Registration date, or null when unknown.

registrarstring | null

Registrar, or null.

popularity_rankinteger | null

Rank in the Tranco top 100,000, or null.

partialboolean

Present and true when the lookup was incomplete. Partial answers are not cached.

Errors

HTTP	Code	When
400	`invalid_input`	A required parameter is missing or invalid.
403	`turnstile_failed`	Missing or invalid Turnstile token.
429	`quota_exceeded`	Daily allowance for this tool reached.
503	`query_timeout`, `upstream_error`	The data store timed out or was unavailable. Retry after 3 seconds.

Domain authority

The paid endpoint, which includes these fields.

Crawl history

When a domain was archived over time.

curl "https://api.rankparse.com/v1/tools/domain-age?domain=github.com" \
  -H "cf-turnstile-response: <token from the Turnstile widget>"

Response

{
  "domain": "github.com",
  "registered_at": "2007-10-09T18:20:50Z",
  "registrar": "MarkMonitor Inc.",
  "popularity_rank": 38,
  "tool": "domain-age",
  "tier": "anonymous",
  "quota": { "limit": 5, "remaining": 4, "reset_at": 1760259200000 }
}

Check domain age

Query parametersCopy Anchor Link

ResponseCopy Anchor Link

ErrorsCopy Anchor Link

RelatedCopy Anchor Link

Domain authority

Crawl history

Query parameters

Response

Errors

Related