# 400 refresh_requires_transaction_id

**Refresh requires a transaction**

A refresh targets an enrichment that carries an external transaction identifier.

- HTTP status: 400
- Problem identifier (`type` field): `https://developer.noryo.app/errors/refresh_requires_transaction_id`

[← Errors — Merchant API](https://developer.noryo.app/en-GB/errors)

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Canonical page: https://developer.noryo.app/en-GB/errors/refresh_requires_transaction_id