Block Payment Method for a Category

In this example, we block Check payments for the category Acme Tennis Balls.

1. Go to WooCommerce > Settings > Payments > Conditions
2. Click Add ruleset
3. Enter Title, for example Block Check payments for Acme Tennis Balls
4. Enter Conditions
   Product Categories – include – Acme Tennis Balls
5. Enter Actions
   Disable payment methods – Check payments
6. Click Save changes

Check payments will now be unavailable whenever there are products from the Acme Tennis Balls category in the cart.