# Gas Refueling

## Gas Refueling – Interface Documentation

**Gas Refueling** allows your organization to top up blockchain-native gas (e.g., ETH, TRX, MATIC) used for sweeping deposit funds from customer addresses into your central wallet.

This gas is stored in a dedicated **"Station Wallet"**, separate from any user-facing deposit address — ensuring you maintain uninterrupted operations without worrying about gas availability on each incoming address.

### When Do You Need to Refuel?

You’ll need to refuel gas when:

* You see gas balances running low on any supported chain
* You anticipate high transaction volume requiring many sweep operations
* You want to proactively ensure sweeping never fails due to gas shortages

### How to Add Gas in the Terminal

1. On the main Terminal dashboard, locate the **“Gas Balance”** panel.

<figure><img src="/files/zepKZ8cbly25ZeXWNBZh" alt=""><figcaption></figcaption></figure>

1. Click the small **“Add Gas”** icon on the top right of the gas section.\ <img src="/files/mfr8Nq2dT3ctDS6TC1Oj" alt="" data-size="original">
2. A popup will open with funding options.

<figure><img src="/files/00yP2Z57HuXTuFFlE0G8" alt=""><figcaption></figcaption></figure>

### Option 1: Purchase Gas via Credit Card

This flow enables you to directly buy gas using fiat.

**Steps:**

1. Select **Blockchain** to fund (e.g., Ethereum, Tron).
2. Enter **Company Name**.
3. Select **Country**.
4. Enter your **Credit Card Details**.
5. Enter the **Amount** to purchase.
6. Confirm and complete the payment.

Once approved, gas will be instantly credited to the selected station wallet.

<figure><img src="/files/Sa2orvrRi6b9uR3lDZSh" alt=""><figcaption></figcaption></figure>

### Option 2: Fund via Crypto Transfer

Prefer to move gas from an existing crypto wallet?

**Steps:**

1. Select the **Blockchain** you'd like to fund.
2. A **dedicated deposit address** will be generated along with a **QR code**.
3. Send the required gas (e.g., TRX, ETH) to the address shown.
4. The station wallet will be updated once the transaction is confirmed.

<figure><img src="/files/2Sm3GwLeubRFMKYwGlui" alt=""><figcaption></figcaption></figure>

### Safety and Monitoring

* All gas refuels are automatically tracked and reflected in your dashboard.
* There is no expiration for gas balances.
* You can refuel at any time, and all balances are held in enterprise-grade custody infrastructure.

### :white\_check\_mark: Summary

| Gas Refueling        | Description                                    |
| -------------------- | ---------------------------------------------- |
| **Uses**             | Covers sweeping transaction fees               |
| **Payment Options**  | Credit Card / Crypto Transfer                  |
| **Chains Supported** | Ethereum, Tron, BSC, Polygon                   |
| **Where to Access**  | Terminal Dashboard → Gas Section               |
| **Best Practice**    | Keep balances above minimum recommended levels |


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