stale · 0.2

Domain Search

Score 12.7 / 100 2 providers +4 via APIs 7 APIs Search apis.io →

Providers using this tag (2)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Emerging 1 Early or largely undocumented
QName AI WHOIS APIWHOISRDAPdomain-research1 API26.0
Minimal 1 Almost no public developer surface
QName AI WHOIS APIwhoisrdapdomain-researchdomain-search1 API7.3

APIs with this tag (7)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 2 Complete, well-documented, and agent-ready
Hunter Domain Search APISearch for email addresses associated with a domain.71.9Snov.io Domain Search APISearch for company information and email addresses by domain67.2
Developing 3 Usable, with meaningful gaps to close
Have I Been Pwned API v3REST API for searching breached accounts, pastes, breach metadata, domain breach data, and stealer log entr...51.5Have I Been Pwned Domain Search APIVerify and search domains you control.51.5Unstoppable Domains Domain Search APISearch for domain availability and retrieve details for one or more domains. Use the `$expand` parameter to...39.6
Emerging 1 Early or largely undocumented
QName AI WHOIS REST APIApproval-gated REST API for WHOIS/RDAP lookups: GET /api/whois/{domain} (single), POST /api/whois/batch (ba...26.0
Minimal 1 Almost no public developer surface
QName AI WHOIS REST APIApproval-gated REST API for WHOIS/RDAP lookups: GET /api/whois/{domain} (single), POST /api/whois/batch (ba...7.3

Companies reaching this through an API (4)

These companies publish an API, specification or operation carrying “Domain Search” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Have I Been Pwned Hunter Snov.io Unstoppable Domains

Score breakdown

Frequency
33.8
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
21.0
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Where this tag comes from

Api tag7
Provider tag2
Openapi tag4
Openapi op tag19

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

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https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This tag 
curl "https://apis.io/api/v1/tags/domain-search"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/domain-search"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/domain-search/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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