Step 1: Log in to your Pin Payments account. 

Step 2: Click on the Account icon listed on the left of your screen and select the API Key icon. 

Step 3: Under the Test API Keys you can find the secret API key. Copy this key to the PayTraQer screen to connect your Pin Payments account with PayTraQer. 

To know how to integrate Pin Payments with QuickBooks Online using PayTraQer, read this article.