Paypal integration to a PHP website

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Project Budget (USD)
$250 - $750

Project Description:
GatWise ( is a a social gathering website for user to create events, join events or even make new friends.

We are looking for a professional developer with Paypal API experience to integrate Paypal for us to allow users to pay and collect payments for events, also improving some features of our existing site. This involves:
- Update our existing PHP to add the necessary logic and UI for payment
- Create and update our database tables for payment transactions and other related info
- Integrate the PayPal API / website to our website
- Ensure the flow of every payment is secure and no one can tamper with it
- Add additional UI and features based on the requirements document

We will split this project into few phrases. We will release money for each phrase if we are happy with the work.

Please read the description and attached document carefully before placing a bid. We are NOT going to increase the budget if the final bidder underestimates the workload. Also, feel free to invite our website at

If you have any questions about the requirements, free feel to ask us.

Additional Project Description:
10/14/2013 at 13:08 IST
Please see the updated use cases.

Skills required:
Codeigniter, CSS, Javascript, Paypal API, PHP
Additional Files: GatWiseEnhancementPhase2Usecases.pdf GatWiseEnhancementPhase2Usecases_v2.pdf create_event_overlay_dialog.png edit_event_overlay_dialog.png event_details_page.png home.png my_transactions.png
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