TronSave provides a TRON resource marketplace where users and DApps can buy Energy and Bandwidth, while TRX holders can stake, delegate, and sell resources for rental income. Its suite includes bulk token sending, bulk resource purchases, TRX/TRC-20 swaps routed through SunSwap, USDT transfer fee estimation and energy top-ups, ZapBuy instant energy purchases, and early unstaking. The platform is non-custodial and offers REST and WebSocket APIs, SDKs, and webhooks for developer integrations.