Magento 2 Shipping Restrictions Extension allows you to restrict shipping methods based on the product, cart, customer group, and other flexible conditions. Prioritize your shipping methods to save time and cost.
To restrict payment methods for specific customers, need to create a payment restriction rule. Using Magento 2 payment restriction the admin can set the shipping and payment methods for products and categories. The customer can see the assigned shipping and payment methods to place an order during the checkout process.