curl --request POST \
  --url https://api.opus.pro/api/post-tasks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data @- <<EOF
{
  "projectId": "P0000000demo",
  "clipId": "qU3iVMSO77",
  "postAccountId": "postAccountId_xxx1",
  "subAccountId": "subAccountId_xxx1",
  "postDetail": {
    "title": "My Daughter's Creepy 3 AM Visitor",
    "custom": {
      "description": "Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else's toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories",
      "privacy": "public"
    },
    "mediaType": "video"
  }
}
EOF

import requests

url = "https://api.opus.pro/api/post-tasks"

payload = {
    "projectId": "P0000000demo",
    "clipId": "qU3iVMSO77",
    "postAccountId": "postAccountId_xxx1",
    "subAccountId": "subAccountId_xxx1",
    "postDetail": {
        "title": "My Daughter's Creepy 3 AM Visitor",
        "custom": {
            "description": "Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else's toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories",
            "privacy": "public"
        },
        "mediaType": "video"
    }
}
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({
    projectId: 'P0000000demo',
    clipId: 'qU3iVMSO77',
    postAccountId: 'postAccountId_xxx1',
    subAccountId: 'subAccountId_xxx1',
    postDetail: {
      title: 'My Daughter\'s Creepy 3 AM Visitor',
      custom: {
        description: 'Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else\'s toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories',
        privacy: 'public'
      },
      mediaType: 'video'
    }
  })
};

fetch('https://api.opus.pro/api/post-tasks', 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.opus.pro/api/post-tasks",
  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([
    'projectId' => 'P0000000demo',
    'clipId' => 'qU3iVMSO77',
    'postAccountId' => 'postAccountId_xxx1',
    'subAccountId' => 'subAccountId_xxx1',
    'postDetail' => [
        'title' => 'My Daughter\'s Creepy 3 AM Visitor',
        'custom' => [
                'description' => 'Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else\'s toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories',
                'privacy' => 'public'
        ],
        'mediaType' => 'video'
    ]
  ]),
  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.opus.pro/api/post-tasks"

	payload := strings.NewReader("{\n  \"projectId\": \"P0000000demo\",\n  \"clipId\": \"qU3iVMSO77\",\n  \"postAccountId\": \"postAccountId_xxx1\",\n  \"subAccountId\": \"subAccountId_xxx1\",\n  \"postDetail\": {\n    \"title\": \"My Daughter's Creepy 3 AM Visitor\",\n    \"custom\": {\n      \"description\": \"Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else's toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories\",\n      \"privacy\": \"public\"\n    },\n    \"mediaType\": \"video\"\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.opus.pro/api/post-tasks")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"projectId\": \"P0000000demo\",\n  \"clipId\": \"qU3iVMSO77\",\n  \"postAccountId\": \"postAccountId_xxx1\",\n  \"subAccountId\": \"subAccountId_xxx1\",\n  \"postDetail\": {\n    \"title\": \"My Daughter's Creepy 3 AM Visitor\",\n    \"custom\": {\n      \"description\": \"Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else's toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories\",\n      \"privacy\": \"public\"\n    },\n    \"mediaType\": \"video\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.opus.pro/api/post-tasks")

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  \"projectId\": \"P0000000demo\",\n  \"clipId\": \"qU3iVMSO77\",\n  \"postAccountId\": \"postAccountId_xxx1\",\n  \"subAccountId\": \"subAccountId_xxx1\",\n  \"postDetail\": {\n    \"title\": \"My Daughter's Creepy 3 AM Visitor\",\n    \"custom\": {\n      \"description\": \"Okay, so my daughter got a doll that can apparently move on its own. Last night at 3 AM, I heard footsteps, went to check, and this thing had moved! Totally thought I was losing my mind. Anyone else's toys play tricks? #CreepyDoll #HauntedHouse #MomLife #ParentingFails #ScaryStories\",\n      \"privacy\": \"public\"\n    },\n    \"mediaType\": \"video\"\n  }\n}"

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

{
  "data": {
    "postId": "17722461986440WKW-FACEBOOK_PAGE"
  }
}