> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tronrental.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> API updates and changes

## Changelog

### March 2026

* **Transfer Packages** — prepaid bundles of USDT transfers
* **BW Guarantee** — optional bandwidth delegation for Smart Mode and Transfer Packages
* **Webhooks** — real-time notifications for account events
* **Withdrawal API** — withdraw TRX to any TRON address

### February 2026

* **Smart Mode** — automatic energy for USDT transfers
* **Invoice API** — create payment invoices for energy
* **API Keys** — IP whitelist support
* **Bandwidth API** — buy bandwidth for TRON addresses

### January 2026 — Initial Release

* Energy purchase API
* Account management (balance, deposits, profile)
* Real-time pricing