we need someone to finish api link to shipiing company

we have made a connection between our site in opencart to the shipping company , there are couple things that we need someone to do for us the connection has been done 100% we just need the address that sent to the shipping company match the id that they use and we need active cash on delivery and call the barcode from the shipping company and add button print all barcodes so it would be easier to print all products labels in one click {{ all of coding has been written already , just configure ids needed