Data from SQL to Saasu via XML API needed

We have a SQL database and need to have a function that exports specific records from SQL to Saasu accounting package via XML. Information about the Saasu API can be found here [login to view URL] Saasu is a web based cloud accounting package. We have our own CRM running in SQL/PHP and we need to export customer details and product codes and prices from SQL to Saasu one specific quote at a time Needs to export customer info including contact name, company, phone, fax, email, address etc Then needs to export product quantity, product code, product price, product discount, shipping price, tax codes (and sometime multiple products too) A new invoice needs to be created in saasu using the details from the SQL database We will have a test data base available for testing purposes and then the script will need to be copied to main data base and PHP pages on completion If you are unsure about these requirements then please dont bid