curl --request POST \
  --url https://managexrapi.com/v1/files/ \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "url": "https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle",
    "name": "main_assets_all.bundle",
    "size": 1204975930,
    "md5": "7ah69cMtXyaz5OfsCRtOjQ==",
    "description": "Content bundle for training app",
    "libraryDirectoryPath": "/com.managexr.demoTrainingApp/"
  },
  {
    "url": "https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle",
    "name": "module2-assets.bundle",
    "size": 1204975930,
    "md5": "7ah69cMtXyaz5OfsCRtOjQ==",
    "description": "Assets for module 2 of training app",
    "libraryDirectoryPath": "/com.managexr.demoTrainingApp/"
  }
]
'

import requests

url = "https://managexrapi.com/v1/files/"

payload = [
    {
        "url": "https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle",
        "name": "main_assets_all.bundle",
        "size": 1204975930,
        "md5": "7ah69cMtXyaz5OfsCRtOjQ==",
        "description": "Content bundle for training app",
        "libraryDirectoryPath": "/com.managexr.demoTrainingApp/"
    },
    {
        "url": "https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle",
        "name": "module2-assets.bundle",
        "size": 1204975930,
        "md5": "7ah69cMtXyaz5OfsCRtOjQ==",
        "description": "Assets for module 2 of training app",
        "libraryDirectoryPath": "/com.managexr.demoTrainingApp/"
    }
]
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify([
    {
      url: 'https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle',
      name: 'main_assets_all.bundle',
      size: 1204975930,
      md5: '7ah69cMtXyaz5OfsCRtOjQ==',
      description: 'Content bundle for training app',
      libraryDirectoryPath: '/com.managexr.demoTrainingApp/'
    },
    {
      url: 'https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle',
      name: 'module2-assets.bundle',
      size: 1204975930,
      md5: '7ah69cMtXyaz5OfsCRtOjQ==',
      description: 'Assets for module 2 of training app',
      libraryDirectoryPath: '/com.managexr.demoTrainingApp/'
    }
  ])
};

fetch('https://managexrapi.com/v1/files/', 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://managexrapi.com/v1/files/",
  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([
    [
        'url' => 'https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle',
        'name' => 'main_assets_all.bundle',
        'size' => 1204975930,
        'md5' => '7ah69cMtXyaz5OfsCRtOjQ==',
        'description' => 'Content bundle for training app',
        'libraryDirectoryPath' => '/com.managexr.demoTrainingApp/'
    ],
    [
        'url' => 'https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle',
        'name' => 'module2-assets.bundle',
        'size' => 1204975930,
        'md5' => '7ah69cMtXyaz5OfsCRtOjQ==',
        'description' => 'Assets for module 2 of training app',
        'libraryDirectoryPath' => '/com.managexr.demoTrainingApp/'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "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://managexrapi.com/v1/files/"

	payload := strings.NewReader("[\n  {\n    \"url\": \"https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle\",\n    \"name\": \"main_assets_all.bundle\",\n    \"size\": 1204975930,\n    \"md5\": \"7ah69cMtXyaz5OfsCRtOjQ==\",\n    \"description\": \"Content bundle for training app\",\n    \"libraryDirectoryPath\": \"/com.managexr.demoTrainingApp/\"\n  },\n  {\n    \"url\": \"https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle\",\n    \"name\": \"module2-assets.bundle\",\n    \"size\": 1204975930,\n    \"md5\": \"7ah69cMtXyaz5OfsCRtOjQ==\",\n    \"description\": \"Assets for module 2 of training app\",\n    \"libraryDirectoryPath\": \"/com.managexr.demoTrainingApp/\"\n  }\n]")

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

	req.Header.Add("Authorization", "Basic <encoded-value>")
	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://managexrapi.com/v1/files/")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"url\": \"https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle\",\n    \"name\": \"main_assets_all.bundle\",\n    \"size\": 1204975930,\n    \"md5\": \"7ah69cMtXyaz5OfsCRtOjQ==\",\n    \"description\": \"Content bundle for training app\",\n    \"libraryDirectoryPath\": \"/com.managexr.demoTrainingApp/\"\n  },\n  {\n    \"url\": \"https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle\",\n    \"name\": \"module2-assets.bundle\",\n    \"size\": 1204975930,\n    \"md5\": \"7ah69cMtXyaz5OfsCRtOjQ==\",\n    \"description\": \"Assets for module 2 of training app\",\n    \"libraryDirectoryPath\": \"/com.managexr.demoTrainingApp/\"\n  }\n]")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://managexrapi.com/v1/files/")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "[\n  {\n    \"url\": \"https://my-bucket-name.s3.amazonaws.com/main_assets_all.bundle\",\n    \"name\": \"main_assets_all.bundle\",\n    \"size\": 1204975930,\n    \"md5\": \"7ah69cMtXyaz5OfsCRtOjQ==\",\n    \"description\": \"Content bundle for training app\",\n    \"libraryDirectoryPath\": \"/com.managexr.demoTrainingApp/\"\n  },\n  {\n    \"url\": \"https://my-bucket-name.s3.amazonaws.com/module2-assets.bundle\",\n    \"name\": \"module2-assets.bundle\",\n    \"size\": 1204975930,\n    \"md5\": \"7ah69cMtXyaz5OfsCRtOjQ==\",\n    \"description\": \"Assets for module 2 of training app\",\n    \"libraryDirectoryPath\": \"/com.managexr.demoTrainingApp/\"\n  }\n]"

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