paypal - 'subscription profiles not supported'
GetRecurringPaymentsProfileDetails does not support subscription profiles created through payments standard, it only supports recurring payment profiles created through the nvp api.
As of this writing, there is no api to get the subscription details. If you want to know the current status, you have to use an IPN listener to capture and track all status changes yourself.
You can hijack API by using /v1/payments/billing-agreements/{billingid}/transactions?start_date=YYY-MM-DD$end_date=YYY-MM-DD
... then you juste have to check if last transactions fit your period.