package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://ledger.sandbox.lerian.net/v1/organizations/{organization_id}/ledgers/{ledger_id}/asset-rates"
payload := strings.NewReader("{\n \"from\": \"USD\",\n \"metadata\": {},\n \"rate\": 100,\n \"to\": \"BRL\",\n \"externalId\": \"00000000-0000-0000-0000-000000000000\",\n \"scale\": 2,\n \"source\": \"External System\",\n \"ttl\": 3600\n}")
req, _ := http.NewRequest("PUT", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}