Quote Originally Posted by BillJ View Post
Thanks very much to lat9 for her highly-responsive support over this. I'd never have figured it out myself. It seems that OPC is not currently compatible with Braintree and other Javascript-based payment methods.

I'll be keeping an eye on OPC developments :)
hmmm...

is OPC not compatible with braintree? or is braintree not compatible with OPC?

braintree was last updated almost 3 years ago.

square webpay is a javascript based payment method. it is compatible with OPC.

i should know. i coded it.