curl --request POST \
  --url https://mainnet.mirrornode.hedera.com/api/v1/network/fees \
  --header 'Content-Type: application/protobuf' \
  --data '<string>'

import requests

url = "https://mainnet.mirrornode.hedera.com/api/v1/network/fees"

payload = "<string>"
headers = {"Content-Type": "application/protobuf"}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/protobuf'},
  body: '<string>'
};

fetch('https://mainnet.mirrornode.hedera.com/api/v1/network/fees', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://mainnet.mirrornode.hedera.com/api/v1/network/fees",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "<string>",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/protobuf"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://mainnet.mirrornode.hedera.com/api/v1/network/fees"

	payload := strings.NewReader("<string>")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/protobuf")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://mainnet.mirrornode.hedera.com/api/v1/network/fees")
  .header("Content-Type", "application/protobuf")
  .body("<string>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mainnet.mirrornode.hedera.com/api/v1/network/fees")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/protobuf'
request.body = "<string>"

response = http.request(request)
puts response.read_body

{
  "high_volume_multiplier": 100,
  "network": {
    "multiplier": 2,
    "subtotal": 1200
  },
  "node": {
    "base": 1000,
    "extras": [
      {
        "charged": 1,
        "count": 2,
        "fee_per_unit": 100,
        "included": 1,
        "name": "Signatures",
        "subtotal": 100
      }
    ]
  },
  "service": {
    "base": 1000,
    "extras": [
      {
        "charged": 1,
        "count": 2,
        "fee_per_unit": 100,
        "included": 1,
        "name": "Signatures",
        "subtotal": 100
      }
    ]
  },
  "total": 1000,
  "notes": [
    "Fallback to worst-case due to missing state"
  ]
}

{
  "_status": {
    "messages": [
      {
        "message": "Invalid parameter: account.id"
      },
      {
        "message": "Invalid Transaction id. Please use \\shard.realm.num-sss-nnn\\ format where sss are seconds and nnn are nanoseconds"
      }
    ]
  }
}

{
  "_status": {
    "messages": [
      {
        "message": "Require at least 1/3 signature files to prove consensus, got 1 out of 4 for file 2019-10-11T13_33_25.526889Z.rcd_sig"
      }
    ]
  }
}