fee-based website -- 2

We want to offer a fee-based website. Ther user will register with his name... on the website. For billing we want to use [login to view URL] We are searching for somebody who build the api to [login to view URL] ([login to view URL]) We need: 1. create the client automatically after the client registered on our site. ([login to view URL]) With fields like timestamp, IP, the fields who the user filled out... 2. Create automatically a recurring payment and invoice after the client clicked the activation link in his activation email. Payments should start 15 days after registration. ([login to view URL]) ([login to view URL]) ([login to view URL]) 3. Sending the invoices automatically to the clients. 4. We should be able to change the text of the invoices. Also some changes at our site. It is a open source cms ( [login to view URL]). For a good coder i think 5-10 hours work + the freshbook api. We need it very fast. We will accept the fastest offer with the best price.