We have designed and documented the payment gateway with PayPal integration on We have prepared the SRS with DFD, wireframe, use cases, and test cases for the ticketing system module, store profile module, product module, category module, eCommerce blog, and other modules. We also provided resources (sample codes and links) so that developers could easily code and implement the business logic.

Here is the list of works that I did…

  1. Recurring Subscriptions & Transactions: User Interface and Requirements
  2. eTicketing requirements document for an existing eCommerce site
  3. eCommerce requirements: coupons, discounts, promos, and shipping APIs
  4. Technical Specifications for eCommerce Site and
  5. eCommerce Blog SRS - SRS, DFD, Wireframe documentation

Here is what a client said about our work:

“DevsStation did an excellent job producing my site requirements and including the wireframes. I will utilize their services again for new work! They are really knows their stuff when it comes to the PayPal Transaction methods!”
– LeGreene

Let's schedule a meeting to discuss your project.