When defending your APIs, you need a clear understanding of their structure, what resources they use, and how users or systems interact with them.

The Wallarm API Discovery module automatically determines which API hosts are accessible from external networks and which from internal networks, using real traffic data rather than relying on the documentation provided by the development team. This allows you to analyze your API structure more effectively, enabling you to use different scenarios and approaches for internal vs external resources. For example, it is probably much more critical to know if PII is being transmitted to externally-accessible endpoints as opposed to endpoints which are only internally accessible.

See the Wallarm documentation for more details.