# 422 unknown_currency

**The currency is not in the reference list.**

- HTTP status: 422
- Problem identifier (`type` field): `https://noryo.app/problems/transactions/unknown_currency`

[← Errors — Transaction Intelligence](https://developer.noryo.app/en-GB/transaction-intelligence/errors)

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Canonical page: https://developer.noryo.app/en-GB/transaction-intelligence/errors/unknown_currency