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Is it possible to build a payment plug in to the Magento Enterprise even though you don\\\’t have a license.
I\\\’m working at a payment company and would like to help a customer that run the Enterprise version but we ourselves do not have the license.
Your best bet would be to hire a developer for custom coding (I’ve had great success on freelancer.com) or consult the magento connect repository of available modules that to my understanding should be compatible with Enterprise Edition.