# 研发者工具

### 下载One store In-App支付SDK V21 <a href="#id-xia-zai-onestoreinapp-zhi-fu-sdkv21-xia-zai-onestoreinapp-zhi-fu-sdkv21" id="id-xia-zai-onestoreinapp-zhi-fu-sdkv21-xia-zai-onestoreinapp-zhi-fu-sdkv21"></a>

可从[github](https://github.com/ONE-store/onestore_iap_release)下载使用One store In-App支付API V7（SDK V21）所需的SDK和sample软件。&#x20;

<table><thead><tr><th width="186">branch </th><th>Description</th></tr></thead><tbody><tr><td>master</td><td><a href="https://github.com/ONE-store/onestore_iap_release/tree/master/onestore_iap_sample/sample_luckyone">sample_luckyone </a><br><a href="https://github.com/ONE-store/onestore_iap_release/tree/master/onestore_iap_sample/sample_subscription">sample_subscription</a> </td></tr></tbody></table>

### **下载ONE Billing Lab** <a href="#id10.-xia-zai-onebillinglab" id="id10.-xia-zai-onebillinglab"></a>

可以在ONE store或GitHub下载 用于研发ONE store In-App支付的ONE Billing Lab。

* [在ONE store App安装](https://onesto.re/0001002700)
* [在GitHub安装](https://github.com/ONE-store/one_billing_lab)

参考: [ONE Billing Lab指南](https://onestore-dev.gitbook.io/dev/tools/one-billing-lab)


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```
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