PayPal is one of the most popular payment gateway commonly used by E-Commerce Online Store merchants. This article will guide you how to generate PayPal API details for your Magento 2 e-commerce online store website or WooCommerce e-commerce online store website. You will need to have a PayPal business account registered. If you do not have one, you can register for your PayPal account here: www.paypal.com
Step 1: Login to your PayPal account, and on the right, please go to Your Name > Account settings
Step 2: Go to PRODUCTS & SERVICES > Website payments > API access and click Update.
Step 3: Go to Custom checkout experience > NVP/SOAP API integration (Classic) and click Manage API credentials.
Note: If this is the first time you are creating API credentials, please complete the API Credential Request form.
Step 4: Click on each Show to see the API username, API password and Signature.