Car rental best prices

We need a search engine for best prices of car rental with our affiliates id. it need to be similar to [login to view URL], only in portuguease. And search all over the world car rentals, like the [login to view URL] we will provide afiliates ids and something like else. after book option it will open a new tab with the car rental site and our ID or tag. no payments, nothing in our site, all in the car rental site.