> For the complete documentation index, see [llms.txt](https://docs.coda.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coda.co/codashop-and-distribution/integration-guides/usersync-api-request.md).

# UserSync API Request

The UserSync API is the backbone of Coda’s [**Personalized Sales**](/codashop-and-distribution/personalized-sales.md) feature. It is triggered when a user logs into the shop or submits their game/user ID. The API performs two key functions:

* **User Verification & Enrichment:** It verifies the user and retrieves key identity details such as their in‑app nickname, ensuring the experience is personal and familiar. 
* **Data Synchronization:** It synchronizes in‑app user activity, purchase history, and segmentation data with Coda, enabling both pre‑defined and dynamic personalized sales. 

By leveraging the UserSync API, partners can effortlessly align their in‑app personalization logic with out‑of‑app sales channels, leading to enhanced user engagement, improved conversion rates, and ultimately increased revenue.

The expected response time for a UserSync API request is 3 seconds.

<figure><img src="/files/WNGF4dHplzIoHD5TPEEy" alt=""><figcaption><p>User Verify Request</p></figcaption></figure>

<figure><img src="/files/jioEPi2AydL5iU2O7H3m" alt=""><figcaption><p>User Verify Response</p></figcaption></figure>


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