WP Simple Pay Documentation
Advanced Usage
Discover advanced ways to use and modify WP Simple Pay's functionality.
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How to Block Prepaid Credit Cards
Prepaid cards are often used in financial scams. Unlike reloadable cards, some prepaid cards don’t require users to provide personal information.
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simpay_recurring_description_format
Filter the installment description format key used for a specific payment form.
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How to Update Your ACH Direct Debit Settings for NACHA Compliance
Starting in 2026, NACHA (the organization that governs ACH payments in the U.S.) introduced new rules requiring ACH Direct Debit transactions to include a classification that identifies whether a payment is for goods,...
Start Accepting Payments Today
Start accepting one-time and recurring payments or donations on your WordPress website.