To setup BigPr.es, you’ll need Admin access on your BigCommerce store. Here's how to obtain API credentials for BigPr.es setup in WordPress.
1. Login to your BigCommerce store and navigate to Advanced Settings on the left-hand panel.
2. Select API Accounts.
3. Click the button “Create API Account.”
4. Give your API account the name “bigpres” and set the OAuth Scopes to be all read-only (with the Customers Login set to “login”). Click Save.
5. Copy your Client ID, Client Secret, and Access Token codes to enter into WordPress.