Subdomain Finder
Pricing
from $1.00 / 1,000 results
Go to Apify Store
Subdomain Finder
Finds every subdomain of a domain from public certificate transparency logs — thousands in under a second, without touching the target
Subdomain Finder
Pricing
from $1.00 / 1,000 results
Finds every subdomain of a domain from public certificate transparency logs — thousands in under a second, without touching the target
You can access the Subdomain Finder programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.
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Full URLs work too — https://www.example.com/page is read as example.com. If you enter something below the main domain, it is corrected upward automatically.", "default": [], "items": { "type": "string" } }, "concurrency": { "title": "Domains at a time", "minimum": 1, "maximum": 50, "type": "integer", "description": "How many domains to look up simultaneously. Ten is a good balance; raising it much higher rarely helps.", "default": 10 }, "max_subdomains_per_domain": { "title": "Max subdomains per domain", "minimum": 0, "type": "integer", "description": "Stops after this many results for each domain. Leave at 0 to keep everything — some domains have tens of thousands.", "default": 0 }, "one_row_per_domain": { "title": "One row per domain", "type": "boolean", "description": "Return a single row per domain holding the whole list of subdomains, instead of one row each. 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It simplifies API development, integration, and documentation.
OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.
By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.
You can download the OpenAPI definitions for Subdomain Finder from the options below:
If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.
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