Hello client.
I have read your requirement, basically you need a crm system. Which is completely match with your requirements.
I have 8 plus year experience in this field. I have done all types of custom project as per client need like different types of MLM, CRM, Web Scripts, Web API etc.
I have also experienced all the payment gateway such as rozarpay, paypal, stripe, paytm, google checkout , 2 checkout , bankwire, realex, cybersource etc..
I have also experienced in various type of SMS gateway integration.
Please give me chance to show my skill to boost your business.
Thanks