The only one that comes to my mind is Stripe. Is there a reason not to use it, or are there any other suggestions?
https://www.chargify.com
worked well enough and was pretty straight forward to set up for a couple of developers. We also wanted to set up one time payments (later), it wasn't a good fit for non-subscription billing. I think the back end charging was handled by braintree.
https://www.chargify.com
worked well enough and was pretty straight forward to set up for a couple of developers. We also wanted to set up one time payments (later), it wasn't a good fit for non-subscription billing. I think the back end charging was handled by braintree.