* Support for all experience levels from hosted pages to payment buttons to iFrame solution (full PCI compliance) to Credit Card Tokenization (PCI compliance required).
* Simpler Credit Card Tokenization API that allows you to immediately charge the user and store the credit card for later use.
If you're going to accuse Stripe of not being upfront with its customers, you should at least put a disclaimer that you work for WePay at the top of your post.
Being specific on the details wouldn't hurt, either.
Regarding PCI compliance, we have a very different opinion about security and compliance. You can compare these two articles and judge by yourself:
https://answers.stripe.com/questions/what-exactly-do-i-need-...
Stripe's answer is, as these things go, a very good answer.
IMO, this is the most interesting and differentiated part of the service as compared to, say, Stripe (which I use and love).
Who else offers turnkey support for building your own marketplace, not just taking payments from customers?
Two other newcomers are BalancedPayments.com (Gittip.com which has been getting some attention on HN is using them now) and BancBox.com . I have not used either but they are on a shortlist for a project I'm working on.
1) Create "credit card" object from JS
2) Store the credit card ID in your database to charge customer later
3) Charge the customer
With Stripe
1) Create a single use token from JS
2) Create Customer object
3) Store the Customer ID in your database to charge customer later
4) Charge the customer