Verify Funds

Verify Funds : https://blog.agilepayments.com/verify-funds
Unlike credit cards, which can be authorized in real time, the ACH world lacks a real-time authorization component. Credit cards allow merchants to authorize a sale at the time of the payment, so the merchant will know that they are definitely getting paid. A business knows that their customer has the requisite funds on their card to make their payment in real time, and the funds are reserved.