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ISO8583 Processing Codes for Transaction Processing

Posted on 19th Jan 2021 25674 views

List of ISO8583 processing codes, description and use with Video guide of example in the ISO8583 Simulator. Video below

Wikipedia already has a very in-depth description of the ISO 8583 standard.

In this article, we will have a more business-driven approach, focusing on the items that are actually used by banks and Processors in real life.

 

 

The processing code consists of 6 digits.

 

 

Message Types Processing Code MTI (Request/Response)

Network Message (Sign On) 1804/1814

Cash Withdrawal 01 1200/1210

Cash Withdrawal Reversal 01 1420/1430

Balance Inquiry 31 1100/1110

Mini Statement 38 1100/1110

Fund Transfer 40 1200/1210

POS Purchase - SinglePOS (Terminal & Ecom) 00 1200/1210

POS Purchase - DualPOS 00 1100/1110

POS Cash Advance 01 1200/1210

POS Refund (Terminal & Ecom) 20 1200/1210

POS Void (Terminal & Ecom) 02 1200/1210

POS Void Reversal 02 1420/1430

POS Purchase Reversal (Single POS) (Terminal & Ecom) 00 1420/1430

POS Purchase Completion (Dual POS) 00 1120/1130

POS Purchase Cancellation (Single POS) 00 1100/1110


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