I need someone to point me in the right direction of where to start and what products I need to use. I have the paypal codeigniter package installed and ready to go. Here is what I have and need to accomplish, I have a site like GRASSHOPPER where people can purchase 800 numbers and minute packages to use with their virtual phone. Here is an example of what I need to do. Its quite simple but Im lost on where to start. Person signs up, they will be billed immediately for the plan they choose. They will be billed on reoccurring payments but the amount may change depending on their usage and overages. I am assuming I need adaptive payments but how do I merge the initial purchase with the reoccurring?
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