eBay

Overview

Connect your users to eBay for marketplace selling, inventory management, order fulfillment, and account data.

Property	Value
Provider ID	ebay
Category	E-Commerce
PKCE	Supported
Token refresh	Automatic
Redirect URI	Shown in Developer Portal

Step 1: Create an eBay OAuth App

Go to the eBay Developer Portal

Navigate to developer.ebay.com/my/keys and sign in.

Create a new application

Click Get a Keyset and fill in the application details.

Configure the redirect URI

In the application settings, add the Alter callback URL from the Developer Portal to the RuName (eBay Redirect URL name) configuration.

Get credentials

Copy the Client ID (App ID) and Client Secret (Cert ID).

Warning

Never share your Client Secret publicly. Store it securely and only enter it in the Alter Vault Developer Portal.

Step 2: Add to Alter Vault

Open the Developer Portal

Go to portal.alterauth.com and navigate to the application.

Add eBay provider

Go to OAuth Providers > Add Provider > eBay.

Enter credentials

• Client ID: Paste your eBay App ID
• Client Secret: Paste your eBay Cert ID

Select scopes

Choose the scopes the application needs.

Save

Click Save. The provider is now active.

Available Scopes

Scope	Description
https://api.ebay.com/oauth/api_scope	Basic public data access
https://api.ebay.com/oauth/api_scope/sell.marketing	Marketing tools access
https://api.ebay.com/oauth/api_scope/sell.inventory	Inventory management
https://api.ebay.com/oauth/api_scope/sell.fulfillment	Order fulfillment
https://api.ebay.com/oauth/api_scope/sell.account	Account settings
https://api.ebay.com/oauth/api_scope/commerce.identity.readonly	View basic account identity — the immutable eBay user ID (default, required)

Notes

• eBay uses full URL strings as scope values rather than short names.
• eBay has separate sandbox and production environments. Test with sandbox credentials before going to production.
• See the eBay OAuth documentation for more details.