> For the complete documentation index, see [llms.txt](https://docs.decenomy.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.decenomy.net/tutorials/flits-wallet-app/how-to-top-up-fee-credits.md).
# How to Top up Fee Credits
This guide is intended to help you top up fee credits to run masternodes inside the Flits Wallet App.
### Step 1
* While on the homepage, select the '**quick option**' icon
### Step 2
* Select '**Fees**' from the list
### Step 3
* You may use BTC or FLS as a mode of payment. Regardless of the one you choose, you have to ensure you have enough funds in your wallet.
* We choose '**Top up using FLS**' in this guide. Kindly note that the process is the same if you intend to use BTC.
### Step 4
* Select a fee bundle to purchase. In this case, we go with the '**Try-out**' option
### Step 5
* Confirm the purchase using the '**Confirm**' button.
### Step 6
* Voila! You've successfully topped up your fee credits
* Once you go back to the '**User**' page, you should see a change in your fee credit depending on the bundle you purchased.
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