# (OLD Version) ONE store IAP Guide

This page is the old version of One Store in App Payment Guide.\
Support may be suspended in the future, so please refer to the latest version of the in-app payment guide.

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* [ONE store IAP API V6 (SDK V19) Guide & Download](https://dev.onestore.co.kr/wiki/en/doc/one-store-iap-api-v6-sdk-v19-guide-download-5833074.html)
* [ONE store In-App purchase API V5 (SDK V17)](https://dev.onestore.co.kr/wiki/en/doc/one-store-in-app-purchase-api-v5-sdk-v17-1081855.html)
* [ONE store In-App SDK v16](https://dev.onestore.co.kr/wiki/en/doc/one-store-in-app-sdk-v16-1671204.html)