# Purge

Input URL or directory to be purged: the URL or directory will be marked as expired, and when it is requested by user, CDN edge node will request to the upper node or origin site.

{% hint style="info" %} <mark style="color:blue;">**Note**</mark>

<mark style="color:blue;">URL purge and directory purge are respectively limited within 500 and 50 times per day.</mark>
{% endhint %}

<div align="left"><figure><img src="/files/I00DoGZNvWjL5xjzBs5g" alt="" width="563"><figcaption></figcaption></figure></div>


---

# 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://docs.console.zenlayer.com/welcome/content-delivery-network/purge-and-prefetch/purge.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.