> For the complete documentation index, see [llms.txt](https://docs.bifrostnetwork.com/bifrost-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bifrostnetwork.com/bifrost-network/developer-documentations/pallet-interfaces.md).

# Pallet Interfaces

The Bifrost Network is built by the Substrate framework and has multiple implemented FRAME pallets. The Bifrost Network also has multiple custom pallets for its core functionality. This section outlines the definitions of the implemented custom pallets.