curl --request POST \
  --url https://sandbox.hurdlr.com/rest/v4/auth/token \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data client_id= \
  --data client_secret= \
  --data grant_type=refresh_token \
  --data refresh_token= \
  --data code= \
  --data userId=

import requests

url = "https://sandbox.hurdlr.com/rest/v4/auth/token"

payload = {
    "client_id": "",
    "client_secret": "",
    "grant_type": "refresh_token",
    "refresh_token": "",
    "code": "",
    "userId": ""
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/x-www-form-urlencoded"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/x-www-form-urlencoded'
  },
  body: new URLSearchParams({
    client_id: '',
    client_secret: '',
    grant_type: 'refresh_token',
    refresh_token: '',
    code: '',
    userId: ''
  })
};

fetch('https://sandbox.hurdlr.com/rest/v4/auth/token', 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://sandbox.hurdlr.com/rest/v4/auth/token",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "client_id=&client_secret=&grant_type=refresh_token&refresh_token=&code=&userId=",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/x-www-form-urlencoded"
  ],
]);

$response = curl_exec($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://sandbox.hurdlr.com/rest/v4/auth/token"

	payload := strings.NewReader("client_id=&client_secret=&grant_type=refresh_token&refresh_token=&code=&userId=")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://sandbox.hurdlr.com/rest/v4/auth/token")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/x-www-form-urlencoded")
  .body("client_id=&client_secret=&grant_type=refresh_token&refresh_token=&code=&userId=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.hurdlr.com/rest/v4/auth/token")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/x-www-form-urlencoded'
request.body = "client_id=&client_secret=&grant_type=refresh_token&refresh_token=&code=&userId="

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

{
  "access_token": "00f6b2b68eb9459eab681d19aa86c6154e225068f3074d1d9b639316d5380a4c.91d620872c3b438ba33f4baaca124624",
  "refresh_token": "7369c0ee82194721ac6f633ec16206f348680736e80e4aacb85d4fbce0ee9669.56b43c61141541dc858dd8613959389a",
  "expires_in": 7776000,
  "created_at": 1599065168,
  "scope": "token"
}