---
title: "ISO 20022 Message Validator + Field Explorer"
method: POST
path: "/v1/tools/validate_iso20022_message"
tags: ["ISO20022", "XML", "validator", "pacs", "pain", "camt", "SWIFT", "CBPR+", "export"]
---

# ISO 20022 Message Validator + Field Explorer

`POST /v1/tools/validate_iso20022_message`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/validate_iso20022_message`
- Auth: none declared

Validate ISO 20022 XML messages (pacs.008, pain.001, camt.053) against embedded schema rules, parse every field with business context, and explore 20+ message types. Client-side only. Zero PII.

**Tool URL:** https://ainumbers.co/tools/248-iso20022-validator.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `xml_content` string, required
  - `message_type` string
  - `ruleset` 'cbpr+' | 'base' | 'fedwire' | 'sepa'

## Response `200`

Successful tool execution result

- object
  - `valid` boolean
  - `message_type` string
  - `field_map` object: Parsed fields with business context labels
  - `errors` unknown[]
    - unknown
  - `warnings` unknown[]
    - unknown

---

[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)