# \[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.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developers-v3.zortout.com/announcements/api-update/4-may-2023-important-update.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
