Get PayPal Sandbox Credentials

  1. Connect to the PayPal Developer Website
  2. Click on Applications on the horizontal bar
  3. And then on Sandbox Accounts on the left menu
  4. Click on the arrow next your Sandbox business account email address,
    sandbox-arrow
  5. and then click on the Profile link that appears below the email address. 
    sandbox-profileThis opens the Sandbox account details window.
  6. In the window Account details, click API credentials tab
    api-credentials