API Endpoint Heatmap
Surface endpoint, method, and tag hot spots from an OpenAPI spec to prioritize security reviews and governance. Free by Graph Tools.
Use this free API endpoint heatmap to surface hot spots in your OpenAPI specification and prioritize where to focus security reviews and governance efforts. The tool analyzes endpoints, HTTP methods, and tags to highlight operations with the most parameters, the broadest schemas, the most permissive auth, or the highest complexity scores. Useful for API architects planning review cycles, platform team leads triaging governance work, and security engineers scoping audit scope.