TEST environment only — Never use production API keys in this demo

Configure your Adyen credentials

Enter your TEST credentials to start the checkout demo

API Key Required

Found in Adyen Customer Area → Developers → API credentials

Merchant Account Required

Your merchant account name, e.g. YourCompany_TEST

Client Key Required

Found in Customer Area → Developers → API credentials → Client-side authentication

HMAC Key Optional

Optional. Used for webhook signature validation