{"name":"ETF Builder API","version":"1.0.0","description":"Build your perfect ETF portfolio","endpoints":{"/etfs":"List available ETFs with filtering and sorting","/etfs/{etf_id}":"Get specific ETF details","/optimize":"Optimize ETF portfolio based on desired allocations","/countries":"Get list of all available countries","/industries":"Get list of all available industries","/categories":"Get list of all available ETF categories"}}