> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.coupontools.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).

# Facebook Debugger Tool

Facebook has automated caching for images. If you made changes to a coupon it might not be visible on Facebook because they already added the old image to caching.  Facebook has a debugger tool to update the cache.  Here is the Facebook debugger URL: [https://developers.facebook.com/tools/debug/](https://developers.facebook.com/tools/debug/)