curl --request POST \
  --url https://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "flavor": "lb1-1-2",
  "floating_ip": {
    "existing_floating_id": "c64e5db1-5f1f-43ec-a8d9-5090df85b82d",
    "source": "existing"
  }
}
'

import requests

url = "https://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers"

payload = {
    "flavor": "lb1-1-2",
    "floating_ip": {
        "existing_floating_id": "c64e5db1-5f1f-43ec-a8d9-5090df85b82d",
        "source": "existing"
    }
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    flavor: 'lb1-1-2',
    floating_ip: {
      existing_floating_id: 'c64e5db1-5f1f-43ec-a8d9-5090df85b82d',
      source: 'existing'
    }
  })
};

fetch('https://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers', 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://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'flavor' => 'lb1-1-2',
    'floating_ip' => [
        'existing_floating_id' => 'c64e5db1-5f1f-43ec-a8d9-5090df85b82d',
        'source' => 'existing'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers"

	payload := strings.NewReader("{\n  \"flavor\": \"lb1-1-2\",\n  \"floating_ip\": {\n    \"existing_floating_id\": \"c64e5db1-5f1f-43ec-a8d9-5090df85b82d\",\n    \"source\": \"existing\"\n  }\n}")

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

	req.Header.Add("Authorization", "<api-key>")
	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))

}

HttpResponse<String> response = Unirest.post("https://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"flavor\": \"lb1-1-2\",\n  \"floating_ip\": {\n    \"existing_floating_id\": \"c64e5db1-5f1f-43ec-a8d9-5090df85b82d\",\n    \"source\": \"existing\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gcore.com/cloud/v2/pricing/{project_id}/{region_id}/loadbalancers")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"flavor\": \"lb1-1-2\",\n  \"floating_ip\": {\n    \"existing_floating_id\": \"c64e5db1-5f1f-43ec-a8d9-5090df85b82d\",\n    \"source\": \"existing\"\n  }\n}"

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

{
  "currency_code": "USD",
  "discount_percent": 0.16,
  "per_hour": {
    "external_ip": 0.02,
    "flavor": 0.8,
    "floating_ip": 0.05
  },
  "per_month": {
    "external_ip": 14.4,
    "flavor": 576,
    "floating_ip": 36
  },
  "price_status": "show",
  "price_without_discount_per_month": 604.8,
  "tax_percent": 17,
  "total_price_per_hour": 1.02,
  "total_price_per_month": 734.4
}