> For the complete documentation index, see [llms.txt](https://feesaver.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://feesaver.gitbook.io/docs/feesaver/bot.md). # @FeeSaver\_bot The Telegram bot is the main interface for purchasing energy and bandwidth. Go to the bot [t.me/FeeSaver\_bot](https://t.me/FeeSaver_bot) and press **/start**. After that you will be registered in the system, a deposit address will be assigned to you and all services will become available.
[Energy](/docs/feesaver/buy-energy.md) - you can buy from 32,000 to 5,000,000 energy per order [Bandwidth](/docs/feesaver/buying-bandwidth.md) - purchase bandwidth from 350 to 300,000 units [Smart Mode](/docs/feesaver/smart-mode.md) - the address connected to smart mode will always maintain a level of **131,000 energy** [Instant Purchase](/docs/feesaver/instant-purchase.md) - purchase via TRX transfer. Send TRX to the address and in the next transaction you will receive energy [AutoRefill](/docs/feesaver/auto-refill.md) - automatic replenishment of energy by a set amount when the specified threshold is reached. In settings set the rule: refill **200,000 energy** when its level falls below **500 000** Unlimited rental - energy **is purchased for 24 hours**, after that time a reclaim is performed and new energy is delegated, so the energy remains on your address at all times until the mode is turned off or the balance runs out Deposit - top up the bot balance to make purchases API - get a personal API key for making automatic purchases Ref Program - invite other users and receive referral commissions from their purchases Profile - user information, export of transaction history, notification settings and language change Support / For Business - support contacts Feedback - user reviews about our service *** Have any questions? Write to our support service [t.me/feesaver\_support](https://t.me/feesaver_support)