💡Does it support caching, real-time data, and AI Overview?

The Google Search parameter docs state that identical searches are cached for 5 minutes by default, and cached searches are free and not counted in search statistics. Use no_cache=true for fresh results. The docs also support ai_overview=true; a successful AI Overview fetch usually costs 1 response, but may cost 2 responses if a second request is needed for page_token.