# 10. 개발자 도구

### **원스토어 인앱결제 Sample App 다운로드** <a href="#id-10.sampleappdownload-sampleapp" id="id-10.sampleappdownload-sampleapp"></a>

원스토어 인앱결제 API V7(SDK V21)를 사용하기 위해 필요한 샘플 앱을 [깃허브(github](https://github.com/ONE-store/onestore_iap_release))에서 다운로드 받을 수 있습니다.&#x20;

| branch 명 | Description                                                                                                                                                                                                                                                                                                                    |
| -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| master   | <p><a href="https://github.com/ONE-store/onestore_iap_release/tree/master/onestore_iap_sample/sample_luckyone">sample\_luckyone </a>: 인앱을 적용한 샘플앱<br><a href="https://github.com/ONE-store/onestore_iap_release/tree/master/onestore_iap_sample/sample_subscription">sample\_subscription</a> : 구독상품 적용과 관리화면 연동을 보여주는 샘플앱</p> |

### **ONE Billing Lab 다운로드** &#x20;

원스토어 인앱결제 개발을 위한 ONE Billing Lab 앱을 ONE store 앱 또는 깃허브(github)에서 다운로드 받을 수 있습니다.

* [ONE store 앱에서 설치하기](https://onesto.re/0001002700)
* [GitHub에서 설치하기](https://github.com/ONE-store/one_billing_lab)

참고: [ONE Billing Lab 가이드](https://onestore-dev.gitbook.io/dev/tools/one-billing-lab)<br>

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# 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://onestore-dev.gitbook.io/dev/tools/billing/v21/sample.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.
