Enterprise Payment Solutions Secure and Compliant PCI DSS / ISO8583

ISO8583 Converter REST-API

JSON XML SQL CSV binary Kafka MQTT nsk enscribe

Integrate card payments ISO8583 transactions with Web interfaces, Databases, Mobile

ISO8583 converter Abstracts the complexity
of ISO 8583 message handling

Handle in an easy, friendly format ISO8583 converted to JSON

Integrates REST API or other HTTP protocols

Convert ISO8583, IBM MQ, DB2, SQL, Oracle, kafka

Integrate Web API - ISO8583 - clearing

Microservices or standalone server, logging, reporting

Convert TCP/IP to HTTP Web services, or any API CSV, binary files

Consultation
ISO8583 / REST-API
Microservices / Containers / Cloud / Premise
High throughput & low latency
ISO8583 Converter REST-API Card Payments

From Legacy Binary to Modern Logic

Stop parsing bits manually. Automate your payment integration.

ISO8583_INBOUND.log - ISO8583 host
// 2026-03-06 06:57:33 Inbound
-  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
                 MessageType: 0100
                      Bitmap: 723C46D128E0B000 
[2,3,4,7,11,12,13,14,18,22,23,25,26,28,32,35,37,41,42,43,49,51,52]
                     F02_PAN: 9876500000306084
          F03_ProcessingCode: 010000
                F04_AmountTx: 000000005000
    F07_TransmissionDateTime: 0306065733
  F11_SystemTraceAuditNumber: 000315
         F12_DateTimeLocalTx: 260306
            F13_DateLocalTxn: 0306
          F14_DateExpiration: 3012
            F18_MerchantType: 5961
             F22_POSDataCode: 020
      F23_CardSequenceNumber: 000
       F25_MessageReasonCode: 00
F26_CardAcceptorBusinessCode: 53
      F28_DateReconciliation: 000000000
         F32_AcquiringInstId: 27610000001
              F35_Track2Data: 9876500000306084=30121011123123000
F37_RetrievalReferenceNumber: 573323200000
  F41_CardAcceptorTerminalId: 20390059
          F42_CardAcceptorId: 111120000012000
F43_CardAcceptorNameLocation: contact@neaPay.com\Almere-Amsterdam\NL
 F49_CurrencyCodeTransaction: 566
 F51_CurrencyCodeCardBilling: 566
                 F52_PINData: FEE8CA6A604F09F0
 -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  - 
09:57:33:239: neaPay ISO8583 Converter JSON
JSON Converter sent this JSON dat ato https://api.neaPay.com/v1/transactions
[
 { "name": "MessageType", "value": "0110" },
 { "name": "Bitmap", "value": "723C46D12AE0B000" },
 { "name": "F02_PAN", "value": "9876500000306084" },
 { "name": "F03_ProcessingCode", "value": "010000" },
 { "name": "F04_AmountTransaction", "value": "000000005000" },
 { "name": "F07_TransmissionDateTime", "value": "0306065733" },
 { "name": "F11_SystemTraceAuditNumber", "value": "000315" },
 { "name": "F12_DateTimeLocalTx", "value": "260306" },
 { "name": "F13_DateLocalTxn", "value": "0306" },
 { "name": "F14_DateExpiration", "value": "3012" },
 { "name": "F18_MerchantType", "value": "5961" },
 { "name": "F22_POSDataCode", "value": "020" },
 { "name": "F23_CardSequenceNumber", "value": "000" },
 { "name": "F25_MessageReasonCode", "value": "00" },
 { "name": "F26_CardAcceptorBusinessCode", "value": "53" },
 { "name": "F28_DateReconciliation", "value": "000000000" },
 { "name": "F32_AcquiringInstitutionIdCode", "value": "27610000001" },
 { "name": "F35_Track2Data", "value": "9876500000306084=30121011123123000" },
 { "name": "F37_RetrievalReferenceNumber", "value": "573323200000" },
 { "name": "F39_ActionCode", "value": "00" },
 { "name": "F41_CardAcceptorTerminalId", "value": "20390059" },
 { "name": "F42_CardAcceptorIdentificationCode", "value": "111120000012000" },
 { "name": "F43_CardAcceptorNameLocation", "value": "contact@neaPay.com\\Almere-Amsterdam\\NL" },
 { "name": "F49_CurrencyCodeTransaction", "value": "566" }	,
 { "name": "F51_CurrencyCodeCardBilling", "value": "566" },
 { "name": "F52_PINData", "value": "FEE8CA6A604F09F0" }
06:57:33:244: neaPay ISO8583 Converter SQL
SQL Converter wrote this SQL record to database Postgress / MySQL / Oracle / SQL Server
INSERT INTO transaction_table 
(MessageType,
 	 Bitmap,
 	 F02_PAN,
 	 F03_ProcessingCode,
 	 F04_AmountTransaction,
 	 F07_TransmissionDateTime,
 	 F11_SystemTraceAuditNumber,
 	 F12_DateTimeLocalTransaction,
 	 F13_DateLocalTxn,
 	 F14_DateExpiration,
 	 F18_MerchantType,
 	 F22_POSDataCode,
 	 F23_CardSequenceNumber,
 	 F25_MessageReasonCode,
 	 F26_CardAcceptorBusinessCode,
 	 F28_DateReconciliation,
 	 F32_AcquiringInstitutionIdCode,
 	 F35_Track2Data,
 	 F37_RetrievalReferenceNumber,
 	 F39_ActionCode,
 	 F41_CardAcceptorTerminalId,
 	 F42_CardAcceptorId,
 	 F43_CardAcceptorNameLocation,
 	 F49_CurrencyCodeTransaction,
 	 F51_CurrencyCodeCardholderBilling,
 	 F52_PINData)
  VALUES 
(  '0110',
 '723C46D12AE0B000',
 '9876500000306084',
 '010000',
 '000000005000',
 '0306065733',
 '000315',
 '260306',
 '0306',
 '3012',
 '5961',
 '020',
 '000',
 '00',
 '53',
 '000000000',
 '27610000001',
 '9876500000306084=30121011123123000',
 '573323200000',
 '00',
 '20390059',
 '111120000012000',
 'contact@neaPay.com\Almere-Amsterdam\Neth',
 '566',
 '566',
 'FEE8CA6A604F09F0')



 -- Automated reconciliation record


06:57:33:267: neaPay ISO8583 Converter XML
XML Converter sent this XML record to web service / API / blob storage / database
<?xml version="1.0" ?>
<data>
   <MessageType>
	   <item>
		   <name>MessageType</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>-1</bitmap_position>
		   <format>ISO</format>
		   <value>0110</value>
		   <tag>
		   </tag>
	   </item>
   </MessageType>
   <Bitmap>
	   <item>
		   <name>Bitmap</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>1</bitmap_position>
		   <format>ISO</format>
		   <value>723C46D12AE0B000</value>
		   <tag>
		   </tag>
	   </item>
   </Bitmap>
   <F02_PAN>
	   <item>
		   <name>F02_PAN</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>2</bitmap_position>
		   <format>ISO</format>
		   <value>9876500000306084</value>
		   <tag>
		   </tag>
	   </item>
   </F02_PAN>
   <F03_ProcessingCode>
	   <item>
		   <name>F03_ProcessingCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>3</bitmap_position>
		   <format>ISO</format>
		   <value>010000</value>
		   <tag>
		   </tag>
	   </item>
   </F03_ProcessingCode>
   <F04_AmountTransaction>
	   <item>
		   <name>F04_AmountTransaction</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>4</bitmap_position>
		   <format>ISO</format>
		   <value>000000005000</value>
		   <tag>
		   </tag>
	   </item>
   </F04_AmountTransaction>
   <F07_TransmissionDateTime>
	   <item>
		   <name>F07_TransmissionDateTime</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>7</bitmap_position>
		   <format>ISO</format>
		   <value>0306065733</value>
		   <tag>
		   </tag>
	   </item>
   </F07_TransmissionDateTime>
   <F11_SystemTraceAuditNumber>
	   <item>
		   <name>F11_SystemTraceAuditNumber</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>11</bitmap_position>
		   <format>ISO</format>
		   <value>000315</value>
		   <tag>
		   </tag>
	   </item>
   </F11_SystemTraceAuditNumber>
   <F12_DateTimeLocalTransaction>
	   <item>
		   <name>F12_DateTimeLocalTransaction</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>12</bitmap_position>
		   <format>ISO</format>
		   <value>260306</value>
		   <tag>
		   </tag>
	   </item>
   </F12_DateTimeLocalTransaction>
   <F13_DateLocalTxn>
	   <item>
		   <name>F13_DateLocalTxn</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>13</bitmap_position>
		   <format>ISO</format>
		   <value>0306</value>
		   <tag>
		   </tag>
	   </item>
   </F13_DateLocalTxn>
   <F14_DateExpiration>
	   <item>
		   <name>F14_DateExpiration</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>14</bitmap_position>
		   <format>ISO</format>
		   <value>3012</value>
		   <tag>
		   </tag>
	   </item>
   </F14_DateExpiration>
   <F18_MerchantType>
	   <item>
		   <name>F18_MerchantType</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>18</bitmap_position>
		   <format>ISO</format>
		   <value>5961</value>
		   <tag>
		   </tag>
	   </item>
   </F18_MerchantType>
   <F22_POSDataCode>
	   <item>
		   <name>F22_POSDataCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>22</bitmap_position>
		   <format>ISO</format>
		   <value>020</value>
		   <tag>
		   </tag>
	   </item>
   </F22_POSDataCode>
   <F23_CardSequenceNumber>
	   <item>
		   <name>F23_CardSequenceNumber</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>23</bitmap_position>
		   <format>ISO</format>
		   <value>000</value>
		   <tag>
		   </tag>
	   </item>
   </F23_CardSequenceNumber>
   <F25_MessageReasonCode>
	   <item>
		   <name>F25_MessageReasonCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>25</bitmap_position>
		   <format>ISO</format>
		   <value>00</value>
		   <tag>
		   </tag>
	   </item>
   </F25_MessageReasonCode>
   <F26_CardAcceptorBusinessCode>
	   <item>
		   <name>F26_CardAcceptorBusinessCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>26</bitmap_position>
		   <format>ISO</format>
		   <value>53</value>
		   <tag>
		   </tag>
	   </item>
   </F26_CardAcceptorBusinessCode>
   <F28_DateReconciliation>
	   <item>
		   <name>F28_DateReconciliation</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>28</bitmap_position>
		   <format>ISO</format>
		   <value>000000000</value>
		   <tag>
		   </tag>
	   </item>
   </F28_DateReconciliation>
   <F32_AcquiringInstitutionIdentificationCode>
	   <item>
		   <name>F32_AcquiringInstitutionIdentificationCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>32</bitmap_position>
		   <format>ISO</format>
		   <value>27610000001</value>
		   <tag>
		   </tag>
	   </item>
   </F32_AcquiringInstitutionIdentificationCode>
   <F35_Track2Data>
	   <item>
		   <name>F35_Track2Data</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>35</bitmap_position>
		   <format>ISO</format>
		   <value>9876500000306084=30121011123123000</value>
		   <tag>
		   </tag>
	   </item>
   </F35_Track2Data>
   <F37_RetrievalReferenceNumber>
	   <item>
		   <name>F37_RetrievalReferenceNumber</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>37</bitmap_position>
		   <format>ISO</format>
		   <value>573323200000</value>
		   <tag>
		   </tag>
	   </item>
   </F37_RetrievalReferenceNumber>
   <F39_ActionCode>
	   <item>
		   <name>F39_ActionCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>39</bitmap_position>
		   <format>ISO</format>
		   <value>00</value>
		   <tag>
		   </tag>
	   </item>
   </F39_ActionCode>
   <F41_CardAcceptorTerminalIdentification>
	   <item>
		   <name>F41_CardAcceptorTerminalIdentification</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>41</bitmap_position>
		   <format>ISO</format>
		   <value>20390059</value>
		   <tag>
		   </tag>
	   </item>
   </F41_CardAcceptorTerminalIdentification>
   <F42_CardAcceptorIdentificationCode>
	   <item>
		   <name>F42_CardAcceptorIdentificationCode</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>42</bitmap_position>
		   <format>ISO</format>
		   <value>111120000012000</value>
		   <tag>
		   </tag>
	   </item>
   </F42_CardAcceptorIdentificationCode>
   <F43_CardAcceptorNameLocation>
	   <item>
		   <name>F43_CardAcceptorNameLocation</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>43</bitmap_position>
		   <format>ISO</format>
		   <value>contact@neaPay.com\Almere-Amsterdam\Neth</value>
		   <tag>
		   </tag>
	   </item>
   </F43_CardAcceptorNameLocation>
   <F49_CurrencyCodeTransaction>
	   <item>
		   <name>F49_CurrencyCodeTransaction</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>49</bitmap_position>
		   <format>ISO</format>
		   <value>566</value>
		   <tag>
		   </tag>
	   </item>
   </F49_CurrencyCodeTransaction>
   <F51_CurrencyCodeCardholderBilling>
	   <item>
		   <name>F51_CurrencyCodeCardholderBilling</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>51</bitmap_position>
		   <format>ISO</format>
		   <value>566</value>
		   <tag>
		   </tag>
	   </item>
   </F51_CurrencyCodeCardholderBilling>
   <F52_PINData>
	   <item>
		   <name>F52_PINData</name>
		   <db_column>
		   </db_column>
		   <bitmap_position>52</bitmap_position>
		   <format>ISO</format>
		   <value>FEE8CA6A604F09F0</value>
		   <tag>
		   </tag>
	   </item>
   </F52_PINData>
</data>


							

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ISO8583 Converter - REST API Card Payments

Key features and benefits: the fastest solution to market

rest-api payments integration iso8583

ISO8583 Converted to JSON without complexity

Abstracts the complexity of ISO 8583 message handling, enabling faster development and easier maintenance.


ISO8583 converter translates raw protocol data into structured, readable formats, providing a simplified interface for integration of card payment systems

Integrate ISO8583 & existing infrastructure

Infrastructure agnostic. Standard deployment procedure on-premise or cloud/container


ISO8583 converter supports both cloud and on-premise environments, ensuring seamless compatibility with legacy systems and modern architectures.

PCI DSS and Banking level Security HSM

Adheres to PCI DSS guidelines and supports Banking industry standard security


Configurable HSM integration, allows virtually endless customizations, cryptography, TLS/SSL encryption

Flexible compliance and All PCI/DSS requirements

ISO858 expertise seamlessly integrated

ISO8583 Converter has built-in ISO8583 dialects out-of-the-box and can be customized to handle proprietary message format


Its flexible configuration engine allows for rapid adaptation to issuer, acquirer, or processor-specific implementations.

Shorter timeline to market and cost saving

Reduce REST api ISO8583 integration time, improve system interoperability, and deliver faster operations while saving 70% of cost


By removing the need to handle ISO 8583 messages, NeaPay Converter will drastically reduce your project timeline. This translates into lower engineering costs, faster time-to-market, and fewer integration errors.

Scale high Volumes at High availability

Proven 99.9% uptime processing millions of transactions daily.


NeaPay Converter is built for high-performance environments and can handle thousands of transactions per second. Designed from the start for fast throughput and no dependencies, it achieves high volumes and maximum reliability.

integration iso8583 scalability reliability

FREE Proof of Concept in a few days, Minimum Viable Product in weeks, GO-LIVE in months

ISO8583 Converter to REST-API JSON

Start NOW

 

  Save development cost, convert SIO8583 to JSON

We handle binary complex ISO8583 data
You handle user-friendly API JSON payments

NodeJS php Oracle

or any server can be used to process converted JSON

  Automatic stand-in

in case the web host is down

  Handles cryptography

with a HSM or built-in

neaPay JSON to ISO8583 Converter demo video

JSON REST API call from Postman converted to ISO8583 in 2 minutes with built in self-tests

Use cases and Solutions with ISO8583 Converter to REST API JSON

neaPay ISO8583 converter abstracts the complexity of ISO8583 and allows handling an easy structured format - JSON XML SQL

Banks and Card Issuers

Integrate ISO8583 with Rest-api JSON

Use case for Banks and Card Issuers

Banks that want to modernize their card processing infrastructure but are constrained by legacy systems that rely on ISO8583.

Their internal teams is already involved with existing systems, and they want to avoid needing to hire new people with deep protocol expertise, and integration projects are slow and error-prone.

Problems faced with ISO8583 handling

Legacy systems are hard to maintain and integrate, involving huge costs.

ISO8583 protocol formats vary across partners, requiring expensive industry experts. .

neaPay solution: ISO8583 converted to REST-api JSON

Abstracts ISO8583 complexity, convert to JSON.

Allow developers to work with clean, structured data.

Supports multiple ISO8583 dialects, enabling seamless integration with issuers, acquirers, and networks.

Accelerates modernization with REST API, reducing dependency on legacy code and minimizing risk.

iso8583 converter for banks and card issuers
 
 iso8583 converter for fintech and neo-banks

Fintechs and NEO-banks

Use ISO8583 converted to Rest-api JSON

Use case for Fintechs and NEO-banks

A fast-growing fintech startup is launching a new card product and needs to connect to multiple processors.

They want to avoid building ISO 8583 support from scratch, which would delay their go-live date.

Problems faced by Fintechs with ISO8583

Lack of in-house ISO8583 expertise, hard to find experts.

High development cost and time to build custom ISO8583 products.

Very high risk of misinterpreting message formats, extending project timelines to years.

neaPay solution for Fintech: ISO8583 converted to JSON

Plug-and-play ISO8583 parsing, enabling rapid integration with processors.

Reduces time-to-market by up to 70%.

Scalable architecture, allowing the fintech to grow without reengineering core systems.Compliance and security concerns slow down innovation.

Request a free Consultation for Fintech

  Fast to market.     Secure and compliant.     Resilient and Reliable.

 

Bank Payment Processors & Centers

Integrate ISO8583 with Rest-api JSON

Use case for Payment Processors & Card Processing Centers

A regional or National processor is onboarding new clients who use different ISO8583 protocol variants. Their current system requires manual configuration and testing for each client, leading to long onboarding cycles.

Problems faced by Processing centers

Onboarding new clients, making new integrations, takes weeks or months, even years.

Legacy systems aften require Manual configuration, introduces errors ad extends timelines.

Limited flexibility in adapting to client-specific formats, inteagrating new reporting and metrics tools, anlitics and warehouse.

neaPay solution for card processors: convert to JSON

Dynamic configuration engine handles multiple ISO8583 formats, conversion to unified JSON.

Automated message translation, requests and response, ISO8583-JSON & JSON-ISO8583 reducing onboarding time.

Improved interoperability, allowing faster client acquisition and integration.

iso8583 converter for processors
 
iso8583 converter for technical advisors

Technical Consultancy Firms Advising Banks

Choose to convert ISO8583 to Rest-api JSON

Use case for Technical Consultancy Firms Advising Banks

Consultancy firms help banks evaluate and implement a new payment switch or gateway.

The bank needs ISO8583 compatibility but lacks internal resources to manage protocol-level integration.

They want to avoid building ISO8583 integrations from scratch, which would delay their go-live date, preferring a reliable proven solution.

Problems faced by Payments Consultants

Banks rely on payments consultants to bridge technical gaps in legacy systems.

ISO8583 complexity slows down project timelines and increases risk.

Consultants need reliable tools to demonstrate feasibility and accelerate delivery.

neaPay solution for consultants: ISO8583 converted to JSON via REST-API

Ready-to-deploy ISO8583 converter, simplifying integration and migration efforts.

Consultant-friendly microservices architecture, enabling quick prototyping and proof-of-concept delivery.

Reusable across projects, allowing firms to standardize their approach and reduce implementation time.

Request a free POC for Payments Consultants

  Fastest Implementation.     Out of the box ready to run.     Built for speed and scale.

ISO8583 Converter to REST-api JSON

Our converter gateway is fully configurable and designed for easy configuration of custom ISO8583 formats


Convert ISO8583 to REST-API as JSON

 

ISO8583 convert to JSON and send as POST request to Rest-API

Customizable Http client/server and custom TCP settings

 

ISO8583 to JSON and send to blob storage or NOSQL

Rest API guide from IBM

Convert ISO8583 to ISO20022 XML

 

ISO8583 convert to ISO20022 XML

Switching / routing or Direct flow of messages to and from network endpoints

 

XML, ISO2022 to ISO8583

see video guide here

HTTP JSON requests to ISO8583

You can read all ISO20022 message definitions on the ISO20022 official website

Convert ISO8583 to SQL or binary formats

 

SQL queries or stored procedures call for systems like Avaloq

Formatter and driver are configurable and customizable for your database

 

CSV entries to ISO8583

 

ISO8583 to SQL storage or analytics

ISO8583 conversion to/from Kafka events

The converter automatically parses and validates ISO 8583 messages according to the correct specification (Visa, MasterCard, proprietary).

The converter is optimized for high-speed parsing and serialization.

The converter can tag messages with transaction IDs and sequence numbers.

Built-in acknowledgment and reconciliation features ensure message integrity.

The converter supports field-level encryption and PAN masking before sending to Kafka.

The converter can be configured to send messages to multiple Kafka topics or partitions.

Request Kafka integration demo

Architecture neaPay ISO8583 conversion to/from Kafka events
 
Architecture neaPay ISO8583 Integration with Common Message Brokers RabbitMQ, ActiveMQ, IBM MQ

ISO8583 Integration with Common Message Brokers RabbitMQ, ActiveMQ, IBM MQ

Binary Parsing Complexity - ISO 8583 uses bitmaps and variable-length fields; parsing errors can break integrity. neaPay converter implicitly hadles bitmaps and variable-length fields.

Latency Sensitivity - Brokers add extra hops; payments require sub-millisecond response times. neaPay converter is optimzed for under milliseconds response times.

The converter automatically parses and validates ISO 8583 messages according to the correct specification (Visa, MasterCard, proprietary).

Message Ordering - Brokers may not guarantee global ordering, only per queue/topic. neaPay converter can handle message ordering.

Error Handling & Retries - Duplicate or lost messages can cause financial inconsistencies. neaPay converter can handle duplicate or lost messages.

Security & Compliance - PCI DSS requires encryption and masking; brokers need SSL/TLS and access control. neaPay converter can handle encryption and masking.

Schema Evolution - ISO 8583 variants differ by network (Visa, MasterCard), making standardization hard. neaPay converter can handle schema evolution.

Request Message Broker integration demo

 

ISO8583 Converter Hardware Security Module (HSM) Integration

PIN block generation and validation (ISO 9564 formats). - neaPay converter can handle PIN block generation and validation (ISO 9564 formats).

PIN translation between different encryption keys. - neaPay converter can handle PIN translation between different encryption keys.

Key management (LMK, ZMK, TMK, working keys). - neaPay converter can handle key management (LMK, ZMK, TMK, working keys).

MAC generation and verification. - neaPay converter can handle MAC generation and verification.

Secure key exchange with payment networks. - neaPay converter can handle secure key exchange with payment networks.

Request HSM integration demo

Architecture neaPay ISO8583 Converter Hardware Security Module (HSM) Integration

ISO8583 conversion system to JSON REST-API System

Architecture simplified diagram

Architecture neaPay ISO8583 to JSON API converter

Convert ISO8583 authorization, online payments, clearing

Easy convert from ISO8583 to another ISO8583 message/dialect/rotocol

Convert ISO8583 authorizations to clearing records

Convert any EFT, either XML, fixed format, ISO8583, CSV

Connect your Web services to clearing files and online payments

Convert ISO8583 authorization

What ISO8583 protocols to convert?

Online ISO8583 message to Visa, MasterCard, Amex, etc.

Your proprietary format to settlement for Switches

Custom POS, ATM, ISO8583 messages, even XML or fixed formats

HTTP XML Bill presentments to TCP ISO8583 and flat settlement

Incoming ISO8583 messages to custom debit systems, card management or Dispute Management

Convert ISO8583 Online ISO8583 message to Visa

Configurable ISO8583 messages as JSON

Configure the Inbound custom ISO8583 format as a JSON message

Configuration of the Outbound converted ISO8583 message is done the same way

Set up the inbound/Acquiring connection as a server with the format defined above

Set-up the outbound/Issuer connection as a client with the other format

Customize parsing and conversion in JavaScript files

Convert ISO8583 ISO8583 messages as JSON

ISO8583 protocol conversion flow

The acquired transaction Comes from the predefined inbound (Acquirer) server

The converter uses the configured iso8583 definition to parse the message

The converter receives the JSON message for applying business logic (user-defined JavaScript)

Once formatted, the transaction is given back to the neaPay Core for sending

The core uses the Outbound (Issuer) JSON definition to pack the message and send it to the Issuer connection

Any number of connections can be defined

Any number of messages and message types can be used

Converter ISO8583 protocol conversion flow
Convert ISO8583 to ISO8583

neaPay ISO8583 bridge - ISO8583 to ISO8583

Connect one iso8583 switch to another, with different specifications

 

configurable input and output connections

Connect one iso8583 switch to another, with different specifications

 

configurable input and output formats

Easy handle changes, mandates, or issues

 

Configurable conversion logic

Fast and easy implementation of changes in requirements are key in a fast paced environment

 

with databases, hosts, or connections to other gateways

Need ISO8583-ISO8583 Conversion? Request Details

 

Financial Transactions

Easily integrate financial messages other ISO8583 hosts, XML gateways, csv, database

Card File Updates

Integrate clearing, updates and refresh systems with live applications

Database financial records

Financial messages to database-based Transaction Processing systems

Webhooks, Web servers and Web Services integration

Custom clearing file based systems integration

Microservices & Containers

Separate Microservices make it easy to improve functionality, redeploy fast, and update separately

 

Managed Instances

Process Complex scenarios separate than high volume traffic.

Process transactions cheaper, smarter and a lot faster

ISO8583 to JSON Conversion explained

ISO8583 conversion explained

ISO8583 converter to JSON rest-api explained for techies

Incoming TCP/IP, HTTP REST API, IBM MQ BD2, Oracle SQL connections are set up as needed

The connections are defined in .JS files for easy version-controlled deployments

Each connection is configurable independently, data type, encoding -sync/async

The payments transaction data is read by the core and exposed to the scripting engine

The connection reads information into a message that can be easily manipulated as JSON

Payments Message structures are defined independently and configurable

Messages are also defined and editable in .JS files for easy version-control

The scripting engine allows the transaction message to be user-manipulated

The script engine uses several user-defined scripts to validate, alter information

Additional/Custom business logic can be applied via the scripts

The transaction message is conveted and an output message is created, a different payments transaction type

This new payments transaction is then sent to the outbound connection

The oubound connections can be TCP/IP, REST APIs, IBM MQ, ORACLE, SQL no-sql or other data ingestion systems

All components work independently and in parallel, sync or async

ISO8583 Conversion for Techies

Frequently Asked Questions

Do you have another question? Ask here

What exactly does NeaPay ISO8583 Converter do?

NeaPay ISO8583 Converter abstracts the complexity of ISO 8583 message handling, providing a simplified interface for integrating card payment systems. It translates raw protocol data into structured, readable formats, enabling faster development and easier maintenance.

How does it integrate with our existing infrastructure?

NeaPay ISO8583 Converter is designed to be infrastructure-agnostic. It can be deployed as a standalone service, integrated via APIs, or embedded into existing payment flows. It supports both cloud and on-premise environments, ensuring seamless compatibility with legacy systems and modern architectures.

Is it secure and compliant with industry standards?

Absolutely. NeaPay ISO8583 Converter adheres to PCI DSS guidelines and supports secure message parsing and transmission. It does not store sensitive cardholder data and can be configured to work within your existing compliance framework.

How does it handle different ISO8583 variants? How about custom protocols?

NeaPay Converter supports multiple ISO8583 dialects out-of-the-box and can be customized to handle proprietary message formats. Its flexible configuration engine allows for rapid adaptation to issuer, acquirer, or processor-specific implementations.

What’s the impact on development time and cost?

By removing the need to have in-house expertise to parse and manage ISO8583 messages, NeaPay ISO8583 Converter can reduce development time by up to 70%. This translates into lower engineering costs, much faster time-to-market, and fewer integration errors.

Can it scale with our transaction volume?

Yes. NeaPay ISO8583 Converter is built for high-performance environments and can handle thousands of transactions per second. It's optimized for scalability, whether you're processing regional volumes or global traffic.

What kind of support and documentation is available?

We provide comprehensive technical documentation, integration guides, and dedicated onboarding support. Enterprise clients also benefit from SLA-backed support and access to our solution architects for custom implementations.

Is it customizable for our specific use case?

Yes. NeaPay ISO8583 Converter is highly configurable and can be tailored to your specific message formats, business rules, and operational workflows. Custom modules can be added to support unique transaction types or routing logic./p>

What’s the typical implementation timeline?

Most clients are able to integrate NeaPay ISO8583 Converter within 2-4 weeks, depending on the complexity of their systems. Our team provides hands-on support to accelerate deployment and ensure a smooth transition.

How does it compare to building an ISO8583 parser in-house or using an open-source solution?

Building in-house or using open-source requires deep ISO8583 protocol expertise, ongoing maintenance, and significant upfront investment. NeaPay ISO8583 Converter offers a proven, production-ready solution that eliminates those burdens—allowing your team to focus on core business innovation.

Do you have another question? Ask here

Cutomer Testimonials

What Users, Customers and long time partners say about our ISO8583 Converter

Become our partner - Start your project now

"NeaPay Converter simplifies ISO 8583 integration, enabling us [bank] to modernize legacy systems, reduce operational overhead, and accelerate digital transformation without compromising compliance or security."

Tom K

Service Manager, Bank Institution

"NeaPay Converter removes the friction of ISO8583, allowing us [fintech] to launch innovative payment products faster, with minimal infrastructure complexity and maximum scalability."

Sara S

Solution Architect, Fintech

"NeaPay Converter streamlines ISO8583 message handling, helping us [processor] reduce integration time, improve system interoperability, and deliver faster onboarding for clients."

Maurice L

Service Manager, National Card Processing Center

"NeaPay Converter eliminates the complexity of ISO 8583, empowering payment providers to integrate faster, innovate quicker, and scale globally—without the burden of legacy protocols."

Matt B

Solution Architect, Independent Consutlant

"Say goodbye to ISO 8583 headaches. NeaPay Converter makes payment integration seamless, fast, and future-ready—so you can focus on growth, not protocol."

John L

Tech Lead, Testing Lead

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