WP eStore comes with the following payment options by default:
- PayPal
- Authorize.net
- 2Checkout
- Manual/Off-line payment
The payment gateway library bundle plugin can be used to add more payment gateways to the WP eStore plugin if you need. It can allow you to process payments using the following solutions:
- Google Checkout
- SagePay
- PayPal Payments Pro (this is a premium service from PayPal that lets you process credit card on your site)
- Authorize.net AIM (Advanced Integration Method that lets your process credit card on your site)
- Authorize.net ARB (subscription/recurring billing)
- eWAY
- ePay.dk
- Verotel Flexpay Setup (Adult Payment Gateway)
More details on the payment gateway bundle plugin can be found here:
http://www.tipsandtricks-hq.com/wp-payment-gateway-bundle-plugin