Create an account with Flex
Navigate to the registration page to create an account. If you already have an account, you can log in to Flex Dashboard

Install the Flex plugin
Within your WooCommerce store, navigate to Plugins → Add Plugin which is located at 
Click “Install Now”, then “Activate”.
/wp-admin/plugin-install.php, then search for Flex HSA/FSA Payments.
Installing from the WordPress.org plugin directory means your store receives plugin updates automatically. We ship fixes regularly, so we strongly recommend this route over a manual upload.
Installing manually instead
Installing manually instead
If your store cannot reach the WordPress.org plugin directory, you can upload the plugin by hand. Note that manually uploaded plugins do not auto-update, so you will need to repeat these steps for every release.Download the 
On the Add Plugin screen, click “Upload Plugin”.
Attach the zip file you downloaded, then click “Install Now” and follow the steps to install and activate the plugin.
pay-with-flex.X.X.X.zip file from the latest release.


Manage Flex settings
Click “Manage” on the Flex payment gateway which will bring you to 
/wp-admin/admin.php?page=wc-settings&tab=checkout§ion=flex
Create a new API key
Create a new API Key by clicking “New API Key” you may name it whatever you would like.

Enable Flex
Select “Enable Flex” and add the API Key in the box provided. Click “Save changes.”
You have successfully installed and enabled the Flex for WooCommerce plugin!Products & Prices will begin syncing in the background. You may check the status of the sync by navigating to WooCommerce → Status → Scheduled Actions → Pending which is located at 

/wp-admin/admin.php?page=wc-status&tab=action-scheduler&status=pending



