> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.smartcertificate.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How long does the free trial last ?

The 20 free credits are available until used. They will not be erased or expire.



Once used, you will need to purchase new credits under the "Credits and Payments" tab of your account to continue sending documents to your recipients.
![Get Credits](https://storage.crisp.chat/users/helpdesk/website/-/3/6/c/5/36c59b57c212b000/image_1rp0f0r.png)