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What is an Acquirer Reference Number (ARN)?

Did you know over 25 billion electronic payment transactions happen every year in the United States? Each one gets a unique number called the Acquirer Reference Number (ARN). This transaction identifier is key in the world of electronic payments. It…

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Mastercard Merchant Advice Codes

Did you know about 15% of online payments fail worldwide? This shows how key the Mastercard Merchant Advice Code (MAC) is. It gives merchants clear reasons for payment failures, making it easier to fix issues. The Mastercard Merchant Advice Code…

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