curl --request POST \
  --url https://api.poix.io/batch/channels \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "ids": [
    "UCuAXFkgsw1L7xaCfnd5JJOw",
    "UC0C-w0YjGpqDXGB8IHb662A",
    "UCSY5V7BJSrxNvvBF0Drslow",
    "UCBVjMGOIkavEAhyqpxJ73Dw",
    "UCi4EDAgjULwwNBHOg1aaCig"
  ]
}
'

import requests

url = "https://api.poix.io/batch/channels"

payload = { "ids": ["UCuAXFkgsw1L7xaCfnd5JJOw", "UC0C-w0YjGpqDXGB8IHb662A", "UCSY5V7BJSrxNvvBF0Drslow", "UCBVjMGOIkavEAhyqpxJ73Dw", "UCi4EDAgjULwwNBHOg1aaCig"] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    ids: [
      'UCuAXFkgsw1L7xaCfnd5JJOw',
      'UC0C-w0YjGpqDXGB8IHb662A',
      'UCSY5V7BJSrxNvvBF0Drslow',
      'UCBVjMGOIkavEAhyqpxJ73Dw',
      'UCi4EDAgjULwwNBHOg1aaCig'
    ]
  })
};

fetch('https://api.poix.io/batch/channels', 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.poix.io/batch/channels",
  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([
    'ids' => [
        'UCuAXFkgsw1L7xaCfnd5JJOw',
        'UC0C-w0YjGpqDXGB8IHb662A',
        'UCSY5V7BJSrxNvvBF0Drslow',
        'UCBVjMGOIkavEAhyqpxJ73Dw',
        'UCi4EDAgjULwwNBHOg1aaCig'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.poix.io/batch/channels"

	payload := strings.NewReader("{\n  \"ids\": [\n    \"UCuAXFkgsw1L7xaCfnd5JJOw\",\n    \"UC0C-w0YjGpqDXGB8IHb662A\",\n    \"UCSY5V7BJSrxNvvBF0Drslow\",\n    \"UCBVjMGOIkavEAhyqpxJ73Dw\",\n    \"UCi4EDAgjULwwNBHOg1aaCig\"\n  ]\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.poix.io/batch/channels")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"ids\": [\n    \"UCuAXFkgsw1L7xaCfnd5JJOw\",\n    \"UC0C-w0YjGpqDXGB8IHb662A\",\n    \"UCSY5V7BJSrxNvvBF0Drslow\",\n    \"UCBVjMGOIkavEAhyqpxJ73Dw\",\n    \"UCi4EDAgjULwwNBHOg1aaCig\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.poix.io/batch/channels")

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/json'
request.body = "{\n  \"ids\": [\n    \"UCuAXFkgsw1L7xaCfnd5JJOw\",\n    \"UC0C-w0YjGpqDXGB8IHb662A\",\n    \"UCSY5V7BJSrxNvvBF0Drslow\",\n    \"UCBVjMGOIkavEAhyqpxJ73Dw\",\n    \"UCi4EDAgjULwwNBHOg1aaCig\"\n  ]\n}"

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

{
  "totalResults": 1,
  "data": [
    {
      "id": "UCuAXFkgsw1L7xaCfnd5JJOw",
      "title": "Rick Astley",
      "description": "'Free' Remaster out now!",
      "keywords": "Official Rick Astley \"rick astley\" \"never gonna give you up\" \"the best of me\" \"best of me\" \"together forever\" \"cry for help\" \"beautiful life\" \"official video\" \"official audio\" rickroll rickrolled \"rick roll\" \"rick asltey\" \"give up\" meme",
      "unsubscribedTrailer": "mIHHfNVfhPk",
      "country": "GB",
      "customUrl": "@rickastleyyt",
      "publishedAt": "2015-02-01T16:32:30Z",
      "thumbnails": {
        "default": {
          "url": "https://yt3.ggpht.com/coJBIm7rugfAkdb9_cw5Lry2NDnfSYDjL5MBu_R2st_YCLsZtDxYu28h2EAJzPfY8qudaF8U=s88-c-k-c0x00ffffff-no-rj",
          "width": 88,
          "height": 88
        },
        "medium": {
          "url": "https://yt3.ggpht.com/coJBIm7rugfAkdb9_cw5Lry2NDnfSYDjL5MBu_R2st_YCLsZtDxYu28h2EAJzPfY8qudaF8U=s240-c-k-c0x00ffffff-no-rj",
          "width": 240,
          "height": 240
        },
        "high": {
          "url": "https://yt3.ggpht.com/coJBIm7rugfAkdb9_cw5Lry2NDnfSYDjL5MBu_R2st_YCLsZtDxYu28h2EAJzPfY8qudaF8U=s800-c-k-c0x00ffffff-no-rj",
          "width": 800,
          "height": 800
        }
      },
      "viewCount": "2100929381",
      "subscriberCount": "4160000",
      "hiddenSubscriberCount": false,
      "videoCount": "265",
      "topicIds": [
        "/m/04rlf",
        "/m/0gywn",
        "/m/06by7",
        "/m/064t9"
      ],
      "topicCategories": [
        "https://en.wikipedia.org/wiki/Music",
        "https://en.wikipedia.org/wiki/Soul_music",
        "https://en.wikipedia.org/wiki/Rock_music",
        "https://en.wikipedia.org/wiki/Pop_music"
      ],
      "relatedPlaylists": {
        "likes": "",
        "uploads": "UUuAXFkgsw1L7xaCfnd5JJOw"
      },
      "privacyStatus": "public",
      "isLinked": true,
      "longUploadsStatus": "longUploadsUnspecified",
      "madeForKids": false,
      "bannerExternalUrl": "https://yt3.googleusercontent.com/KBtTGhBjiM4CD9oUrQke85BALlD1Tt-QFh_AQqzJIQJXFUQt1mtS6jJjIJkQDEbphga9O1Kt",
      "thumbnailUrl": "https://yt3.ggpht.com/coJBIm7rugfAkdb9_cw5Lry2NDnfSYDjL5MBu_R2st_YCLsZtDxYu28h2EAJzPfY8qudaF8U=s240-c-k-c0x00ffffff-no-rj"
    }
  ]
}

{
  "success": false,
  "error": {
    "issues": [
      {
        "received": "defaultLanguage",
        "code": "invalid_enum_value",
        "options": [
          "title",
          "description",
          "keywords",
          "country",
          "customUrl",
          "publishedAt",
          "viewCount",
          "subscriberCount",
          "hiddenSubscriberCount",
          "unsubscribedTrailer",
          "videoCount",
          "topicIds",
          "topicCategories",
          "relatedPlaylists",
          "privacyStatus",
          "isLinked",
          "longUploadsStatus",
          "madeForKids",
          "bannerExternalUrl",
          "thumbnailUrl",
          "localizations",
          "thumbnails"
        ],
        "path": [
          "fields",
          1
        ],
        "message": "Invalid enum value. Expected 'title' | 'description' | 'keywords' | 'country' | 'customUrl' | 'publishedAt' | 'viewCount' | 'subscriberCount' | 'hiddenSubscriberCount' | 'unsubscribedTrailer' | 'videoCount' | 'topicIds' | 'topicCategories' | 'relatedPlaylists' | 'privacyStatus' | 'isLinked' | 'longUploadsStatus' | 'madeForKids' | 'bannerExternalUrl' | 'thumbnailUrl' | 'localizations' | 'thumbnails', received 'defaultLanguage'"
      }
    ],
    "name": "ZodError"
  }
}

{
  "error": {
    "message": "Forbidden"
  }
}