Subdomain Finder – Endpoint

Base URL


https://api.rsch.io

Path


/api/v1/recon/subdomains

Method

GET

Query Parameters

domain – Required. Root domain to scan, for example vulnweb.com.

Example Request


GET https://api.rsch.io/api/v1/recon/subdomains?domain=vulnweb.com

Responses follow the standard API envelope:


{
  "status": "success",
  "request_id": "uuid-v4",
  "date": "2025-11-19 07:00:00",
  "duration": 0.12345,
  "data": { "...": "module-specific payload" }
}

On error, the envelope contains an error field with a human-readable message.