Log into PayPal, then…
You can click Account Access or just search for “API” in the search box…
To get to the API credentials in the image above, you will need to go into your website and find Woocommerce on your dashboard. Click on Settings.
Then click on Payments in the Woocommerce Settings.
Next, across from Paypal choice, click on the button to enable and then on Manage.
This is where you will need to add your Paypal email, Receiver email and at the bottom, enter your API information from Paypal.