Shodan vs Wallarm API Attack Surface Management: side-by-side comparison (2026)

Shodan: A search engine for the Internet of Things (IoT) that discovers and monitors devices connected to the internet.

Wallarm API Attack Surface Management: Agentless API attack surface discovery and vulnerability detection platform. Built by Wallarm.

The table above shows where their features, integrations, deployment and company size fit differ.

Often, yes. Shodan and Wallarm API Attack Surface Management are both External Attack Surface Management products. Key differences: Shodan is Free while Wallarm API Attack Surface Management is Commercial. Use the table above to see where features, deployment and company size fit differ.