How to Configure ShieldPro Settings
For some users the ShieldPro default Lockdown settings will block the submission of WP Simple Pay payment forms.
To resolve this, you will need to add the WP Simple Pay endpoints to the Rest API Exclusions list, which is shown below.
wpsp/v2 as two separate entries, one on each line of the Rest API Exclusions area, will allow our payment forms to work as expected.
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