Google Launched Google Checkout today. It appears to be a surefire PayPal killer.

Google Checkout like PayPal Website Payments Pro provides developer API to integrate third party shopping carts with Google Checkout. The API looks much more capable (like archiving) than PayPal at first sight and comes with good examples.

Google Checkout like PayPal is free for consumers. It charges the merchant. However the fees are significantly less than PayPal.

PayPal Website Payments Pro charges $20.00 USD monthly fee. The transaction fees are 2.2% to 2.9% + $0.30 USD.

In Google Checkout for every $1 you spend on AdWords, you can process $10 in sales for free. For example, if you spent $1,000 on AdWords last month, this month you can process $10,000 in sales at no cost. The more you spend to promote your business through AdWords, the more you save on transaction processing fees with Google Checkout. This is a nice bonus for big AdWords merchants.

If you exceed your free transaction processing for the month, or you don't advertise with AdWords at all, you'll only be charged 2% plus $.20 per transaction. No monthly fees.

Google Checkout provides comprehensive Dashboard for order processing.google checkout

Checkout proactively identifies and filters out fraudulent transactions, and under our Chargeback Resolution policy, Google evaluates all chargebacks you receive and, whenever possible, fights them on your behalf.

Some transactions are also covered by our Payment Guarantee policy: if you get a chargeback on an eligible transaction and give us all requested documentation and information within 10 days of the request, we'll reimburse you within a week.

It provides nice integration with AdWords allowing buyers to directly purchase from AdWords advertisement.

What are the limitations?
Merchants with a U.S. address and bank account can process transactions through Google Checkout. Buyers with a U.S. billing and mailing address can make purchases through Google Checkout. In shoort Google Checkout is currently US only service.

Overall I think Google Checkout is a surefire PayPal killer in the long run, especially when it expands internationally.

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