# 401 invalid_api_key

**The credential presented is not usable.**

- HTTP status: 401
- Problem identifier (`type` field): `https://noryo.app/problems/transactions/invalid_api_key`

[← 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/invalid_api_key