Poundpay jobs

...right now I'm looking into developing a custom module that integrates Poundpay () with Drupal to handle my marketplace payments. Poundpay has an amazingly simple API to hook into, more info here Check out as a reference marketplace that is using Poundpay. Features needed right now: read in conjunction with 1. When Buyer makes purchase and thus goes into poundpay status "authorized" send email to seller asking him to confirm that he's going to provide the product/service. His confirmation through a button on drupal site or a direct email link then triggers the poundpay status to be set to "escrowed". Now I only want the payment status