> For the complete documentation index, see [llms.txt](https://onestore-dev.gitbook.io/dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://onestore-dev.gitbook.io/dev/eng/docs/paymentmethod/us.md).

# United States

## Payment methods

<details>

<summary>Credit card or debit card</summary>

The following credit cards or debit cards can be registered and used.

* American Express
* Mastercard
* Visa
* Maestro

```
Note: If you cannot use a card and do not know the reason, contact the bank or card issuer for help.
```

</details>

<details>

<summary>PayPal</summary>

If you do not have a PayPal account, you must create one to use services in ONE store.

For more information about PayPal, please refer to the PayPal app or [website](https://www.paypal.com/kr/home).

```
Note: Customers who have already signed up for PayPal can use their existing account as-is.
```

</details>


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## 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://onestore-dev.gitbook.io/dev/eng/docs/paymentmethod/us.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.