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Ankur SrivastavaAnkur Srivastava 

using salesforce iframe from an external web application hosted on Heroku

I have a web application hosted on Heroku, and want to use iframe inside it so that it can login to salesforce and help to do further processing. I looked at frontdoor.jsp, but it requires OAuth access-token to connect to Salesforce. Also to mention I would further be using Chargent for payment processing once logged in to salesforce. Is it possible to embed such a functionality of salesforce in an external webpage and access them from iframe inside the web application on Heroku ?