What Is an ACH API and How Does It Work?
Stax
JUNE 23, 2025
TL;DR An ACH API allows businesses to automate bank-to-bank payments—like ACH debits, credits, and recurring payments—by integrating directly with the ACH network via software. Businesses use ACH API integration to lower payment processing costs, streamline high-volume or recurring payments, and improve payment status visibility.
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