diff --git a/oauth2.go b/oauth2.go
index 0ee357a..9954b1e 100644
--- a/oauth2.go
+++ b/oauth2.go
@@ -2,6 +2,18 @@ package ebay
 
 import "golang.org/x/oauth2"
 
+// eBay OAuth 2.0 endpoints.
+var (
+	OAuth20Endpoint = oauth2.Endpoint{
+		AuthURL:  "https://auth.ebay.com/oauth2/authorize",
+		TokenURL: "https://api.ebay.com/identity/v1/oauth2/token",
+	}
+	OAuth20SandboxEndpoint = oauth2.Endpoint{
+		AuthURL:  "https://auth.sandbox.ebay.com/oauth2/authorize",
+		TokenURL: "https://api.sandbox.ebay.com/identity/v1/oauth2/token",
+	}
+)
+
 // BearerTokenSource forces the type of the token returned by the 'base' TokenSource to 'Bearer'.
 // The eBay API will return "Application Access Token" or "User Access Token" as token_type but
 // it must be set to 'Bearer' for subsequent requests.