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Continue to ChatQuery : Paypal has two systems Paypal Subscritpions and Paypal ARB (automatic recurring billing) I would recommond not using them. Its a pain to develop with both platforms and you will have to. https://vmapp.org/query/71825/Paypal-Has-Two-Systems-Paypal-Subscritpions-And-Paypal-ARB-Automatic-Recurring-Billing-I-Would-Recommond-Not-Using-Them-Its-A-Pain-To-Develop-With-Both-Platforms-And-You-Will-Have-To/