Step 4: Get the access token

curl --location --globoff '{{authPath}}/{{envID}}/as/token' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--header 'Authorization: Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19' \
--data-urlencode 'grant_type=authorization_code' \
--data-urlencode 'code={{authCode}}' \
--data-urlencode 'redirect_uri=https://www.google.com'

var options = new RestClientOptions("{{authPath}}/{{envID}}/as/token")
{
  MaxTimeout = -1,
};
var client = new RestClient(options);
var request = new RestRequest("", Method.Post);
request.AddHeader("Content-Type", "application/x-www-form-urlencoded");
request.AddHeader("Authorization", "Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19");
request.AddParameter("grant_type", "authorization_code");
request.AddParameter("code", "{{authCode}}");
request.AddParameter("redirect_uri", "https://www.google.com");
RestResponse response = await client.ExecuteAsync(request);
Console.WriteLine(response.Content);

package main

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

func main() {

  url := "{{authPath}}/{{envID}}/as/token"
  method := "POST"

  payload := strings.NewReader("grant_type=authorization_code&code=%7B%7BauthCode%7D%7D&redirect_uri=https%3A%2F%2Fwww.google.com")

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
  req.Header.Add("Authorization", "Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := io.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}

POST /{{envID}}/as/token HTTP/1.1
Host: {{authPath}}
Content-Type: application/x-www-form-urlencoded
Authorization: Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19

grant_type=authorization_code&code=%7B%7BauthCode%7D%7D&redirect_uri=https%3A%2F%2Fwww.google.com

OkHttpClient client = new OkHttpClient().newBuilder()
  .build();
MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
RequestBody body = RequestBody.create(mediaType, "grant_type=authorization_code&code={{authCode}}&redirect_uri=https://www.google.com");
Request request = new Request.Builder()
  .url("{{authPath}}/{{envID}}/as/token")
  .method("POST", body)
  .addHeader("Content-Type", "application/x-www-form-urlencoded")
  .addHeader("Authorization", "Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19")
  .build();
Response response = client.newCall(request).execute();

var settings = {
  "url": "{{authPath}}/{{envID}}/as/token",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/x-www-form-urlencoded",
    "Authorization": "Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19"
  },
  "data": {
    "grant_type": "authorization_code",
    "code": "{{authCode}}",
    "redirect_uri": "https://www.google.com"
  }
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

var request = require('request');
var options = {
  'method': 'POST',
  'url': '{{authPath}}/{{envID}}/as/token',
  'headers': {
    'Content-Type': 'application/x-www-form-urlencoded',
    'Authorization': 'Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19'
  },
  form: {
    'grant_type': 'authorization_code',
    'code': '{{authCode}}',
    'redirect_uri': 'https://www.google.com'
  }
};
request(options, function (error, response) {
  if (error) throw new Error(error);
  console.log(response.body);
});

import requests

url = "{{authPath}}/{{envID}}/as/token"

payload = 'grant_type=authorization_code&code=%7B%7BauthCode%7D%7D&redirect_uri=https%3A%2F%2Fwww.google.com'
headers = {
  'Content-Type': 'application/x-www-form-urlencoded',
  'Authorization': 'Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

<?php
require_once 'HTTP/Request2.php';
$request = new HTTP_Request2();
$request->setUrl('{{authPath}}/{{envID}}/as/token');
$request->setMethod(HTTP_Request2::METHOD_POST);
$request->setConfig(array(
  'follow_redirects' => TRUE
));
$request->setHeader(array(
  'Content-Type' => 'application/x-www-form-urlencoded',
  'Authorization' => 'Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19'
));
$request->addPostParameter(array(
  'grant_type' => 'authorization_code',
  'code' => '{{authCode}}',
  'redirect_uri' => 'https://www.google.com'
));
try {
  $response = $request->send();
  if ($response->getStatus() == 200) {
    echo $response->getBody();
  }
  else {
    echo 'Unexpected HTTP status: ' . $response->getStatus() . ' ' .
    $response->getReasonPhrase();
  }
}
catch(HTTP_Request2_Exception $e) {
  echo 'Error: ' . $e->getMessage();
}

require "uri"
require "net/http"

url = URI("{{authPath}}/{{envID}}/as/token")

http = Net::HTTP.new(url.host, url.port);
request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/x-www-form-urlencoded"
request["Authorization"] = "Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19"
request.body = "grant_type=authorization_code&code=%7B%7BauthCode%7D%7D&redirect_uri=https%3A%2F%2Fwww.google.com"

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

let parameters = "grant_type=authorization_code&code=%7B%7BauthCode%7D%7D&redirect_uri=https%3A%2F%2Fwww.google.com"
let postData =  parameters.data(using: .utf8)

var request = URLRequest(url: URL(string: "{{authPath}}/{{envID}}/as/token")!,timeoutInterval: Double.infinity)
request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.addValue("Basic e3tjdXN0b21SZXNvdXJjZUFwcElEfX06e3tjdXN0b21SZXNvdXJjZUFwcFNlY3JldH19", forHTTPHeaderField: "Authorization")

request.httpMethod = "POST"
request.httpBody = postData

let task = URLSession.shared.dataTask(with: request) { data, response, error in
  guard let data = data else {
    print(String(describing: error))
    return
  }
  print(String(data: data, encoding: .utf8)!)
}

task.resume()