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We want to Add Paypal Payment to an existing Webpage (see attached). The “Submit” button should be replaced with a “Pay with Paypal” button. The data sent to Paypal should include order number, item description, item cost, shipping cost and sales tax (0% for this example). The order number should be setup on a MySql database and incremented after each use.
If Paypal payment is unsuccessful (payment declined), an error message should be displayed to the user and we should log the unsuccessful attempt.
If Paypal payment is successful, a record should be written to a MySql database with the order details (date/time, customer name, address, telephone#, email address, item description, item cost, shipping cost, sales tax and total cost) and a confirmation message should be emailed to us with the details of the order.
Please reply only if you have strong experience with PayPal API development.
** Note that we currently have an active Paypal merchant account **