Check domain authority
Free, rate-limited domain authority check with registration data, popularity rank, health score and risk flags.
https://api.rankparse.com/v1/tools/domain-authorityFree (5 per tool per day per IP)TurnstileReturns the same authority data as the paid Domain authority endpoint: score, referring domain count, registration date and registrar, Tranco popularity rank, a health score and risk flags. Shared fields (tool, tier, quota), the daily allowance and the shared errors are described in Free tools.
Query parameters
domainstringrequiredDomain to check, for example stripe.com.
Response
domainstringThe normalized domain.
scoreinteger | nullAuthority score, 0 to 100. 0 when the domain has no data; null when the lookup timed out.
referring_domainsinteger | nullNumber of referring domains. null when the lookup timed out.
total_host_countinteger | nullNumber of linking hosts. null when the lookup timed out.
registered_atstring | nullRegistration date from RDAP, or null when unknown.
registrarstring | nullRegistrar from RDAP, or null.
popularity_rankinteger | nullRank in the Tranco top 100,000, or null when the domain is not in it.
health_scoreinteger | null0 to 100, combining authority, referring domains, age and popularity. null when the lookup timed out.
risk_flagsarray of strings | nullAny of no_tranco_presence, low_authority, new_domain, high_authority_new_domain. null when the lookup timed out.
partialbooleanPresent and true when part of the answer is missing: either the authority lookup timed out (the score fields are then null, never 0) or the registration lookup failed (registered_at and registrar may be null). 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. |