---
title: "ISO 8583 Message Decoder"
method: POST
path: "/v1/tools/361_iso8583_message_decoder"
---

# ISO 8583 Message Decoder

`POST /v1/tools/361_iso8583_message_decoder`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/361_iso8583_message_decoder`
- Auth: none declared

Decode ISO 8583 financial transaction messages. Parse MTI, bitmaps, and all data elements DE 1–128. Full DE 39 response code lookup. Client-side, no data transmitted.

**Tool URL:** https://ainumbers.co/tools/361-iso8583-message-decoder.html

## Request body

- object

## Response `200`

Successful tool execution result

- object

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)