What countries use ACH?

Inquiring minds want to know, "Which countries utilize the Automated Clearing House (ACH) system for financial transactions?" Given the widespread popularity and convenience of this electronic network for processing credit and debit transfers, it's natural to wonder about its global reach. Could the United States, with its robust banking infrastructure, be the sole beneficiary? Or have other nations, perhaps with their own unique payment systems, found ways to integrate ACH into their financial ecosystems? As the global economy continues to evolve, it's essential to stay abreast of which countries are leveraging ACH to facilitate faster, more secure payments.