Nuvei saysIntegration issue
-1001Invalid login
What it means
Invalid credentials
The provider rejected the API keys or account credentials.
What to do
Check keys, environment (test or live) and account permissions.
Don't retry as-isWho can fix it: You, the merchant
Other Nuvei codes with the same meaning
Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.