Adyen Pay by link integration for Erply documents
September 22, 2025
- Login to the Erply account with your Erply credentials (client code, username, password).
- Navigate to the Apps -> App store.
- Install the “Adyen integration” from Erply App store

- On the app view click “Open” to open the installed application.
- Navigate to the “Configuration” section from the left side menu.
- Enter the following credentials:
- API key (ask from ERPLY support)
- Prefix (ask from ERPLY support)
- Adyen merchant account name (check in Adyen portal or ask from ERPLY support)
- Notification url (ask from ERPLY support)
- Save configuration.
- Navigate to the “Guides” section from the left side menu.
- In step 2. click “create a webhook”.
- Then a bit below click “show webhooks” - there you should see the # column and number under it.
- Enter this number into the Step 3. and press “generate HMAC”.
- In Step 4. enter the webhook number and press “test your webhook”.
- After that navigate to the “Payment link generation” from left side menu and start generating payment links for unpaid invoices
