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Subdomain API

2 endpointslive

Find known subdomains of a domain. Passive data; may include historic entries. List or count. (MCP server app.subdomain/subdomains, aggregated from the official registry)

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EndpointWhat it doesPriceHealth
Find subdomains
/find_subdomains
verified
List known subdomains (hostnames) of a root domain. Data is passive (not active scanning): results are historic observations and may include subdomains that no $0.0020 per callunknown
Count subdomains
/count_subdomains
verified
Return only the total number of distinct subdomains known for a domain — no list. Cheap and low-token. Use when the user asks "how many subdomains" or you only $0.0020 per callunknown
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