Top 4 Website Reconnaissance APIs

Top 4 Website Reconnaissance APIs


Website reconnaissance is the process of gathering information about a website. This information can be technical or business-related, and it helps in identifying vulnerabilities and potential attack vectors. In this blog post, we will review the top four website reconnaissance APIs that can be accessed on

CMS Identify API

The CMS Identify API helps in checking the content management system (CMS) used by a website. It also identifies the plugins and themes used on the website. To use this API, simply input the website URL, and the API will provide information on the CMS, plugins, and themes used on the website. The CMS Identify API is a valuable tool for penetration testers and security researchers.

Domain DA PA Check API

The Domain DA PA Check API provides business-related information about a website. This API can be used to check the domain authority (DA), page authority (PA), backlinks, spam score, Alexa rank, and Alexa country of a website. The API is useful for businesses looking to analyze the online presence of their website or their competitors’ websites.

Subdomain Scan API

The Subdomain Scan API is a reconnaissance tool that retrieves subdomain information of a website. It checks for 500 common subdomain permutations and retrieves status codes and IP information about them. This API is useful for penetration testers who want to identify subdomains of a website and retrieve additional IP information about those subdomains.

Whois Fetch API

The Whois Fetch API is a tool that finds the owner of an IP address. It can be used to retrieve contact information and net block information about an IP address. This API is useful for researchers who want to find out the owner of a website or IP address.


These four website reconnaissance APIs are valuable tools for businesses and researchers looking to gather information about websites. They can be accessed on, and each API offers unique features and capabilities. Whether you are a penetration tester, security researcher, or business owner, these APIs can help you analyze websites and identify potential vulnerabilities.