You can bulk update the cost of all of your ingredients in meez without the need for an integration with a purchasing system.
There are 4 Steps to successfully importing ingredient costs into your meez:
Go to the +New Button > Import > Ingredients > Download the meez Ingredient Template
below are the minimum requirements. make sure to go here to learn how to properly fill out each column
Go to the +New Button > Import > Ingredients > Choose the file you created from your Library > Press the Upload Button
Once you have imported your file into meez, you will need to map the items you've purchased to your recipe ingredients as well as address any new purchase unit of measures that need to be defined