go get -u github.com/ken-aio/rakuten-client-go
import rakuten "github.com/ken-aio/rakuten-client-go"
c := rakuten.NewIchiba("<put your appid>")
param := &rakuten.IchibaItemSearchParam{
Keyword: "pokemon",
Sort: "+itemPrice",
}
resp, _ := c.IchibaItemSearch(param)
fmt.Printf("resp = %+v\n", resp)