The Quilted Fabric API is a set of tools that allows you to create mods that work with the Quilt loader. It is primarily required by developers, but may also be required to run many mods. One of its jobs is to ensure compatibility with Fabric mods.
How to install Quilted Fabric API
- Make sure you have installed or Quilt.
- Download the mod for your version of the game.
- Put it in the ‘mods’ folder, which is located in the game folder.