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---
license: cc0-1.0
doi: 10.5281/zenodo.23076192
pretty_name: "ISO 20022 Test Data"
tags:
  - test-data
  - synthetic
  - iso20022
configs:
  - config_name: default
    data_files:
      - split: train
        path: "iso20022-small.csv"
---

# ISO 20022 Test Data

Well-formed pain.001.001.09 Customer Credit Transfer Initiation XML with synthetic debtors, creditors, and amounts.

Free to use under **CC0-1.0** — public domain dedication, no attribution required.

## Files

- `iso20022-small.json` / `iso20022-small.csv` — 100 rows (documents: 25)
- `iso20022-medium.json` / `iso20022-medium.csv` — 2,000 rows (documents: 250)
- `iso20022-large.json` / `iso20022-large.csv` — 20,000 rows (documents: 2,500)

Deterministic: the same size always produces the same rows.

## Source

Generated by StanzaAPI from <https://stanzaapi.com/datasets/iso20022>.

## Citation

```
StanzaAPI. (2026). ISO 20022 Test Data. CC0-1.0.
DOI: 10.5281/zenodo.23076192
https://stanzaapi.com/datasets/iso20022
```

## Security: adversarial corpus

This dataset ships a catalogued **adversarial corpus** of 12 hostile inputs
(injection, XXE, resource exhaustion, encoding attacks, validation bypass, structural confusion,
and prompt injection for AI agents) with the safe expected behaviour. See
[`adversarial/`](adversarial/) or the [hub](https://stanzaapi.com/datasets/adversarial).