Maast Merchant Knowledge Base
Table of Contents
Table of Contents
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Maast Merchant Knowledge Base
Getting Started
Transactions
Disputes, Fraud, and Security
Reporting and Reconciliation
Products
Working With Maast
Popular Articles
MasterCard's Decline Code Grouping and MAC
Visa’s Decline Code Grouping
ACH Payment and Validation Response Codes
ACH Payment Reject Reason Codes and Descriptions
Configure Account Updater
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New Articles
ACH Payment Return Rates and Thresholds
ACH Payment Written Authorization (WEB/TEL/PPD/CCD)
ACH Payment Reinitiation
ACH Payment Failure Code 119
ACH Payment "Not Authorized" Returns
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Updated Articles
Convenience Fees and How They Work
ACH Payment NACHA WEB Debit Account Validation Rule
ACH Payment Configuring Your Depository Account
ACH Payment Recurring Billing (PPD/CCD)
ACH Payment Reinitiation
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