What is a PayPal Signature?

An API signature is required for ‘PayPal Refunds’ only. Here are the steps you need to follow:

  • Log in to your PayPal Business account.
  • Click the My Account tab.
  • Click the Profile tab. If you haven’t already done so, you need to verify your account before requesting API credentials.
  • Click Request API credentials under Account information.
  • Click Set up PayPal API credentials and permissions under Option 1.
  • Click Request API Credentials.
  • Click Request API signature.
  • Click Agree and Submit.