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@decionis/iso8583-interceptor

v0.1.0

Published

6 days ago

Embeddable ISO8583 TCP interception library for policy-gated payment and banking rails.

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decionis iso8583 payments banking tcp interceptor

`@decionis/iso8583-interceptor`

Embeddable ISO8583 TCP/IP interception library for payment and banking rails.

Install

npm install @decionis/iso8583-interceptor @decionis/sdk-node

It includes:

length-prefixed ISO8583 frame packing and unpacking helpers
ASCII MTI / bitmap metadata extraction
a TCP interceptor server that can forward, block, respond locally, or close connections
a helper for turning an ISO8583 frame into a Decionis decision request

Core pattern

Accept a framed ISO8583 message.
Extract metadata such as MTI, TPDU, payload hash, and remote address.
Build a Decionis decision request for the payment or banking workflow.
Forward approved frames upstream, or block locally with a synthetic response or connection close.

The library does not assume one ISO8583 packager. If a deployment needs a specific local denial frame, provide buildBlockedPayload.

Package contents

ESM and CommonJS builds in dist/
TypeScript declarations
zero-assumption framing and interception helpers for custom banking adapters

Release

For repository-backed packaging and publish automation, use the workflow documented in docs/package-distribution.md.