eBay - Gather API Credentials

To connect to the eBay API, the following credentials are required:

• User ID - Your User ID is the unique name you chose when you created your eBay account. It’s the name other eBay members see when you’re buying or selling with them.
• Username - The Username you use to log in to eBay.
• Password - The Password you use to log in to eBay.

Next: Enable API Access