Magento 2 Limit Quantity Per Category

Magento 2 Limit Quantity Per Category extension enables restriction on the product quantity ordered from each category for every customer group.

Table of Content

Extract the zip folder and upload our extension to the root of your Magento 2 directory via FTP.
Login to your SSH and run below commands step by step:
- php bin/magento setup:upgrade
- For Magento version 2.0.x to 2.1.x - php bin/magento setup:static-content:deploy
- For Magento version 2.2.x & above - php bin/magento setup:static-content:deploy -f
- php bin/magento cache:flush
That’s it.

Configuration
To configure the extension, log in to Magento 2 backend, move to Stores > Configuration > Limit Quantity Per Category where you can find various settings to configure the extension.

Limit Quantity Per Category: Enable the extension from here.
Show Category Name on Cart Page: Set YES to show category name on the cart page under the product listing.
Max Quantity Limit Error Message: Enter an error message to show when someone exceeds the maximum quantity limit for the category.
Min Quantity Limit Error Message: Enter an error message to show when someone underreaches minimum quantity limit for the category.
Quantity Threshold: Set quantity threshold per category for various customer groups.

Limit Quantity Per Category in Frontend
Once the settings are configured properly, when a customer from the frontend adds a product to cart with the quantity higher or lesser than the set threshold, an error message is shown accordingly.