The Energy becomes active within seconds and is automatically delegated to your address for use in smart contract calls or TRC-20 transfers. You top up your balance with TRX or USDT, select the required amount and period, and the system delegates resources directly to your wallet. The consumption of bandwidth and energy depends on the complexity and computational requirements of the transaction or smart contract. In the TRON network, each account has a certain amount of bandwidth and energy. Swap crypto in CoolWallet with full self custody and hardware level security. Any remaining Energy after the transaction is completed, or any Energy that is not used within the validity period, will automatically expire.
hashtagPart 2: Claim TRON Transfer Subsidy before Using the Energy Rental Servic


It ensures your transfers are confirmed quickly, without freezing funds or dealing with unpredictable gas costs. Advanced security measures including signature mechanisms and encryption, with guaranteed refunds for misdirected transfers. CatFee is a professional, efficient, secure, and cost-effective self-service platform for TRON energy rental — officially recommended by TronLink Wallet. Learn how to optimize TRC-20 transfers and lower network costs through resource management. Operates independent TRON nodes to provide highly stable API interfaces, ensuring service reliability and security. Your funds move directly from your wallet to the recipient's walle


For users seeking to balance efficiency, cost, and security on the TRON blockchain, this is a simpler, more practical, and reliable transaction option. For users who prioritize security, private keys remain securely stored in the secure chip of the CoolWallet hardware wallet throughout the Energy Rental process. It offers real-time Energy Rental solutions that help users obtain the required Energy before executing transactions, enabling smart contract operations to be completed smoothly. If the account does not have enough Energy, the TRON network automatically burns TRX to make up the difference, resulting in higher transaction fee

Simple & Secure
Frequent users save between 30 % and 60 % of fees depending on transaction flow, market rates, and token type. Using delegated Energy instantly reduces your fees to as low as 4.55 or 9.45 TRX per transaction, with no hidden costs. When your wallet has no Energy, TRC20 transaction fees are covered by burning TRX — 6.5 to 13 TRX per transfe

Bot Integration
CatFee delivers secure, stable TRON energy renting with competitive pricing and professional support for optimal blockchain participation. Trusted by users worldwide for its speed, reliability, and global service. Developer-friendly REST API service with multi-language support! The platform provides the leasing function of Tron energy and bandwidth. With 24/7 dedicated customer support and a professional technical team, we provide users with reliable and trustworthy operational assurance. As a global leader in Tron energy trading, we are committed to delivering stable and efficient service


Typical USDT transfers consume ~65K Energy (recipient has USDT) or ~131K (no USDT). Renting Energy & Bandwidth replaces TRX burn on TRC‑20 and keeps wallets liquid. If it is called through API, the transaction will be initiated on the chain, but it will fail later and the block browser cannot query the transaction. Generally, the wallet will prompt that TRX is insufficient. If the energy is sufficient but there is no bandwidth, transactions cannot be carried out. When you have stable wave field energy needs, contact customer service to get more discounts
Save up to $1.5 per TRC-20 transfer with TRX Energy re


Works for USDT transfers, contract deployment, and NFT deployment. TronLink's feature requires you to create a new, separate smart contract wallet and migrate your funds into it, a process which low cost crypto transfers itself requires TRX. The second signature authorizes the main transfer of USDT to your recipient. The first signature explicitly authorizes the payment of our service fee in USD


It cannot be retained, reused for future transactions, or accumulated in the account. If there is enough Energy to complete the transaction, the CoolWallet App will not display any transaction fees. Private keys remain securely stored in your CoolWallet hardware wallet, and all transactions must be signed by you, ensuring full self-custody and on-chain transparency. Energy Rental only provides the resources required to execute transactions. For users sending USDT, this means they can transfer USDT even without holding TRX, offering greater payment flexibility and easier cost control. In addition, users can choose to pay Energy Rental fees using TRON-based USDT or the native token TRX.
How TRON Energy Rental Wor


The Energy becomes active within seconds low cost crypto transfers and is automatically delegated to your address for use in smart contract calls or TRC-20 transfers. Frequent users save between 30 % and 60 % of fees depending on transaction flow, market rates, and token type. Instead of burning TRX each time you send tokens, the rented resource covers the same network load at a fraction of the price. With rented resources you cover the same load at a lower, predictable cos