Hello There,
I go through with your requirement and understand it, It require Paypal OR any other integration for credit card, ID generation and then DHL Tracking.
I had done similar type of work with paypal and forte integration, so it will easy to me, I've more than 5 years of experience in API, Codeigniter, Javascript, MySQL, PHP, Paypal Payment Gateway Integration etc.
I am Ready to start, Looking forward to your positive response,Thank you.
Regards,
Arun