> For the complete documentation index, see [llms.txt](https://hash7-gitbook.gitbook.io/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hash7-gitbook.gitbook.io/en/quick-start/2.1-balance-top-up.md).

# 2.1 Balance top up

‼️ **Important points:**

* The HASH7 appsystem balance is replenished via the TON network.
* The system balance must be replenished to pay **for the annual subscription in the app**, as well as for **the bot fee in the amount of 20% from the trading profit.**
* You can replenish the system balance via any compatible wallet (for example, TrustWallet or Tonkeeper), or via the exchange.

📄 **Instructions for replenishing the system balance:**

* [Balance top up via TrustWallet](/en/quick-start/2.1-balance-top-up/2.1.1-balance-top-up-via-trustwallet.md);
* [Balance top up via Tonkeeper](/en/quick-start/2.1-balance-top-up/2.1.2-balance-top-up-via-tonkeeper.md);
* [Balance top up via Binance](/en/quick-start/2.1-balance-top-up/2.1.3-balance-top-up-via-binance.md);
* [Balance top up via Bybit](/en/quick-start/2.1-balance-top-up/2.1.4-balance-top-up-via-bybit.md);
* [Balance top up via BingX](/en/quick-start/2.1-balance-top-up/2.1.5-balance-top-up-via-bingx.md);
* [Balance top up via OKX](/en/quick-start/2.1-balance-top-up/2.1.6-balance-top-up-via-okx.md);
* [Balance top up via MEXC](/en/quick-start/2.1-balance-top-up/2.1.7-balance-top-up-via-mexc.md);
* [Balance top up via KuCoin](/en/quick-start/2.1-balance-top-up/2.1.8-balance-top-up-via-kucoin.md).