# Fiat Currency

### **Buy USDT with Fiat**

To purchase USDT with **Fiat currency**, you must enable this function by:

**Step 1: Access the "Wallet" section.**

* On the ONFA Wallet interface, locate and click **"Wallet"** (on the main menu bar).
* Click the **"Receive"** (Receive).
* Here you will see the list of cryptocurrencies that can be deposited into the wallet.

**Step 2: Select USDT (Tether).**

* Find and select **USDT (Tether)** from the list.
* Select the network **Polygon.**
* The system will display your USDT wallet address (which can be copied or scanned via QR).
* Click "Close" to proceed to the next step.\
  → This is an important step for the system to recognize that you intend to purchase USDT with fiat currency

  <figure><img src="https://3543960588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHVUlozWTsEZi0p2AOyyB%2Fuploads%2FXfdANCHu2oEyhNDl7Of5%2FONFA%202FA%20USDT.png?alt=media&#x26;token=1edc9969-df5d-4adb-b31c-2fb61f6c95b0" alt="" width="563"><figcaption></figcaption></figure>

**Step 3: Return to the "Fiat" tab.**\
→ At this point the **Buy USDT** page will be ready.

* Select **"Buy USDT"** (Buy USDT).

<figure><img src="https://3543960588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHVUlozWTsEZi0p2AOyyB%2Fuploads%2FRVZHCXmdwGhnZr0mjP5v%2F2025-06-20_10-05-34.png?alt=media&#x26;token=ee1438df-0186-4e87-a7ac-6b57eaa34794" alt="" width="375"><figcaption></figcaption></figure>

**Step 2: Execute the USDT purchase.**

* **Enter the USD amount you wish to buy in "You Pay".**
  * For example: 1,000 USD → The system will automatically calculate **the corresponding USDT amount**.
* **Select a payment method**:
  * **Bank card (Visa/Mastercard).**
  * **Apple Pay / Google Pay.**
* **Review fees & exchange rate** (displayed in detail below the payment method).
* Quantity **USDT** will be converted in the **"You receive (estimate)"** (Estimated amount you will receive)
* **Click "Buy now"** → Follow the subsequent steps to complete the transaction.

{% hint style="warning" %}
[Countries and currencies will be disabled from June 10, 2025](https://transak.notion.site/Countries-Currencies-to-be-Disabled-from-10th-June-2025-1fadfbdeb5d18047a398c18334cb2865)
{% endhint %}

<figure><img src="https://3543960588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHVUlozWTsEZi0p2AOyyB%2Fuploads%2FKBsgMiGI3W90yvDAdLz2%2FSnag_38bae4f6.png?alt=media&#x26;token=cc1c7189-62df-4d57-a274-c76622b81490" alt="" width="227"><figcaption></figcaption></figure>

**Step 3: Check your USDT balance.**

* After successful payment, **USDT will be automatically credited to your ONFA wallet**.
* Verify by going to **"Wallet" → View USDT balance**.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://wiki.onfa.io/wallet/deposit-and-withdrawal/fiat-currency.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
