Acquirer Simulator - ISO 8583

MograPay – Acquirer Simulator

ISO 8583 Real-Time Message Processing Engine

Switch to ISO 20022

Issuer Logs

Binary Stream

Hexadecimal Payload

Packed ISO Stream (Hex)

MTI ASCII bytes + Primary/Secondary bitmap bytes + ASCII field bytes (single hex string).

Packed ISO Stream (ASCII)

MTI + length indicators + ASCII values (parser-friendly).

Simulator Processing Engine Live Mode

Enable eCommerce Mode (Card‑Not‑Present)

Cardholder & Terminal Interface (PoS)

Card Number (PAN - DE2)

Expiry (MM/YY - DE14)

Currency (DE49)

Transaction Amount (DE4)

Terminal ID (DE41)

Merchant ID (DE42)

POS Entry Mode (DE22)

Field Status

Protocol Payload Data Primary Only

MTI

STAN (DE11)

Primary Bitmap (Hex)

Secondary Bitmap (Hex)

DE3 – Processing Code

DE7 – Transmission Date & Time

DE48 – Additional Data (TLV Subfields)

These values are packed as TLV into DE48 (LLLVAR ASCII).

DE48 – Additional Data (Raw)

DE60 – POS Data Code

DE61 – POS Data Code 2

DE62 – Invoice Number

DE63 – Network Data

DE65 – Tertiary Bitmap Indicator

DE70 – Network Management Code

DE90 – Original Data Elements

DE100 – Receiving Institution ID

DE128 – Message Authentication Code (MAC)

ISO 8583 XML

Issuer Wire-Level Response

EMV DE55 (TLV Data)

Bitmap Visualizer Matrix

Transaction Audit Logs

Time	Type	MTI	Amount	Rail	Acquirer	Response	Status	Actions

MograPay – Acquirer Simulator

Cardholder & Terminal Interface (PoS)

Billing Information (eCommerce)

Protocol Payload Data Primary Only