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Shamsi 110Shamsi 110 

I want to develop an Appexchange Product that our customers will use to get data from our legacy system

Hello All,

I want to create an application which will basically integrate our legacy system and will provide some details of our system to our customers.
Once we are done with development we will then submit this app to app exchange and then only customers that use our legacy system and has salesforce implemented they can get this application to basically get some data obtained or might be exchanged..

Kindly suggests me the most reliable and best approach to achieve this.

* Our legacy system has an API that generates responses in Jason.
* I will prefer Rest.


Kindly tell me the working flow, I have some idea but want to hear from the industry experts first.
Your suggestions, experience, and comments will be highly appreciated.

Thanks,
Hasan Shamsi