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

# What about refunds


### You purchase your app **after** building, testing and iterating 

* You can build & try native capabilities within your bubble app prior to purchasing the BDK Native service. 
* This is possible through the Preview mode provided in our demo app. Configure it in seconds and launch!
* To start adding native capabilities to your bubble app and test, all you need to purchase is the plugin


| We assume that you have already tried and tested your app via Preview mode - before ordering the Native App. Hence, refunds are not available.