# ONE store In-App SDK v16

### **References and downloads for In-App SDK v16** <a href="#onestoreinappsdkv16-referencesanddownloadsforin-appsdkv16" id="onestoreinappsdkv16-referencesanddownloadsforin-appsdkv16"></a>

ONE store developer center IAP provides the payment service in a more convenient and safer way with various forms of payment,\
stronger security and specialized user experience for Korean users.

THIS GUIDES ARE VALID ONLY FOR THE IN-APP SDK V16 VERSION.\
If you are looking for the latest version of In-App SDK(v17), just [click here](https://dev.onestore.co.kr/wiki/en/doc/one-store-in-app-purchase-api-v5-sdk-v17-1081855.html).

### **Introduction** <a href="#onestoreinappsdkv16-introduction" id="onestoreinappsdkv16-introduction"></a>

* [Introduction to ONE store In-App SDK v16](https://github.com/ONE-store/inapp-sdk-eng/wiki)

### **Download SDK**  <a href="#onestoreinappsdkv16-downloadsdk" id="onestoreinappsdkv16-downloadsdk"></a>

* [IAP SDK v16 download (For Android / For Unity3D)](https://github.com/ONE-store/inapp-sdk/wiki/IAP-Download)

### **Developer Guide** <a href="#onestoreinappsdkv16-developerguide" id="onestoreinappsdkv16-developerguide"></a>

* [Developer Guide of IAP SDK v16](https://github.com/ONE-store/inapp-sdk-eng/wiki/IAP-Developer-Guide)
* Download IAP Setting App

  &#x20;Read More

### **IAP v16 Developer Guide for Unity3D** <a href="#onestoreinappsdkv16-iapv16developerguideforunity3d" id="onestoreinappsdkv16-iapv16developerguideforunity3d"></a>

* [Developer Guide for Unity3D](https://github.com/ONE-store/inapp-sdk-eng/wiki/IAP-Game-Unity-Developer-Guide)

### **References** <a href="#onestoreinappsdkv16-references" id="onestoreinappsdkv16-references"></a>

* [References for SDK](https://github.com/ONE-store/inapp-sdk-eng/wiki/IAP-SDK-Reference)&#x20;
* [References for Server-API](https://github.com/ONE-store/inapp-sdk-eng/wiki/IAP-Reference-Server-API)
* [References for Result-Code](https://github.com/ONE-store/inapp-sdk-eng/wiki/IAP-Reference-Result-Code)
* [References for Request and Response](https://github.com/ONE-store/inapp-sdk-eng/wiki/IAP-Sample-Specification)

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