> For the complete documentation index, see [llms.txt](https://developers-v3.zortout.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers-v3.zortout.com/announcements/api-update/4-may-2023-important-update.md).

# \[4 May 2023] Important Update

**We will launch new API version 4 in 1 June 2023. We suggest you to develop new version instead of version 3.**

{% hint style="warning" %}
Please follow the new API version 4 as this link.\
<https://developers.zortout.com>
{% endhint %}

{% hint style="success" %}
However, the API version 3 is **still active**.
{% endhint %}

**How to change to V4**

1. Change endpoint URL to "**<https://open-api.zortout.com/v4>".**
2. Change **"method"** to path. Please follow each api method as **"**[**https://developers.zortout.com**](https://developers.zortout.com)**".**

{% hint style="info" %}
**Note :** JSON schema of all response is still same as API Version 3.
{% endhint %}

**Change Log**

1. API V4 is no longer not support **XML format**.
2. ["UPDATEPRODUCT"](https://developers-v3.zortout.com/api-reference/product#update-product) parameter is changed from "sku" in Body to "id" in path.
3. ["DELETEPRODUCT"](https://developers.zortout.com/api-reference/product#delete-product) parameter is changed from "sku" in Body to "id" in path.