Paypal Re-Authorising Transaction. REST-API

Question

My site is about booking an appointment for massage. For every appointment booked user pays online using their paypal account or credit card. Paypal REST-API is used for making payments. This appointment can be edited by that particular user before appointment date.

Now this is how current implementation works: If edited appointment cost goes higher than previous appointment cost, Previous transaction is being void from paypal and user has to make new payments.

eg * Appointment Cost : * $50 (status: pending) Edited Appointment Cost : $80 Transaction of $50 will be voided from paypal and user will make new transaction of $80.

What I want is: Transaction of $50 will remain as it is and user will pay remaining $30 for same transaction using transaction ID. Re-authorised kind of thing.

I google about it, but couldn't find anything helpful. So I doubt whether It is possible or not. Any idea how it can be done ?

Answer 1

I believe you want to submit an authorization (auth), followed later by a capture of the actual amount. The REST APIs support this , with the right API calls.