{"service":"Gold & Silver Rates API","version":"2.0.0","description":"Live gold and silver rates from GoodReturns.in with production features","features":{"rate_limiting":true,"redis_caching":true,"logging":true,"cors_restricted":true},"endpoints":{"/api/gold-rates":"Get all gold rates (national + city-wise)","/api/gold-rates/city/{city_name}":"Get gold rates for a specific city","/api/silver-rates":"Get silver rates","/api/all-rates":"Get both gold and silver rates","/health":"Health check endpoint","/stats":"Cache and system statistics"},"documentation":"/docs","rate_limits":{"general":"100/hour","scraping":"20/hour"},"cache_ttl":"10 minutes"}