Hi All,
I am going to implement the $subject for WSO2 API manager to enable the
capability of handling paid APIs. The data flow diagram can be seen as
follows.


​
​

As described in the figure above if there are no payment plans set for the
subscriber the workflow will redirect to third party/inbuilt web page to
collect those information. If those are already defined it will just
continue the subscription process.

To fulfil the above task, I am going to change the existing *execute*
method of *WorkflowExecutor* to handle the redirection process and to
receive the feedback. After the operation from the webpage/ the required
details are already collected the webpage will send a response back to
workflow executer to complete the execution and complete the subscription.

Suggestions and feedbacks are welcome.

Thanks,
Madusanka

-- 
*Madusanka Premaratne* | Associate Software Engineer
WSO2, Inc | lean. enterprise. middleware.
#20, Palm Grove, Colombo 03, Sri Lanka
Mobile: +94 71 835 70 73| Work: +94 112 145 345
Email: [email protected] | Web: www.wso2.com

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