If you want to allow refunds on your store via PayPal, you’ll need its API credentials — Live API username, password, and signature.

To get PayPal’s API credentials:

  1. From the PayPal dashboard, go to Account Settings -> Account access. Press the Update link beside the API access option.
    This image shows you the Update button of the API access option.
  2. Navigate to the NVP/SOAP API integration (Classic) section, then click Manage API credentials.
    This image shows you the NVP/SOAP API integration (Classic) section.
  3. On the Request API Credentials page, select the Request API signature option. Press Agree and Submit, and you’ll see your API credentials on the next page.
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