Central bank of the Russian Federation currency rates client CBRF
package main
import (
cbr "github.com/matperez/go-cbr-client"
"time"
"fmt"
)
func main() {
client := cbr.NewClient()
rate, err := client.GetRate("USD", time.Now())
if err != nil {
panic(err)
}
fmt.Prinln(rate)
}