Hi, we have been using PayPal for some years now and generated several billing agreement IDs with users, those IDs follow the pattern B-XXXXXXXXXXXXXXX. We are about to do a relaunch of our portal right now and will use the REST-Apis of PayPal now. As far as I saw, the process is quite different now, including Plans, Payers and Subscriptions. Is there any possibility of migrating our existing customers into the new system? Thanks and best regards Patrick
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