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. What is an ACH API? Your bank (the ODFI) will collect all the transaction files you sent and forward them to an ACH operator.
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