curl --request POST \
  --url https://api.example.com/api/v1/business/tasks/update \
  --header 'Content-Type: application/json' \
  --header 'x-project-id: <x-project-id>' \
  --data '
{
  "task_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "fields": {
    "title": "<string>",
    "description": "<string>",
    "due_date": "2023-12-25",
    "sort_order": 123,
    "parent_task_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  },
  "assignee": {
    "assignee_id": "<string>"
  }
}
'

import requests

url = "https://api.example.com/api/v1/business/tasks/update"

payload = {
    "task_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "fields": {
        "title": "<string>",
        "description": "<string>",
        "due_date": "2023-12-25",
        "sort_order": 123,
        "parent_task_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    },
    "assignee": { "assignee_id": "<string>" }
}
headers = {
    "x-project-id": "<x-project-id>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-project-id': '<x-project-id>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    task_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    fields: {
      title: '<string>',
      description: '<string>',
      due_date: '2023-12-25',
      sort_order: 123,
      parent_task_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    },
    assignee: {assignee_id: '<string>'}
  })
};

fetch('https://api.example.com/api/v1/business/tasks/update', 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.example.com/api/v1/business/tasks/update",
  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([
    'task_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'fields' => [
        'title' => '<string>',
        'description' => '<string>',
        'due_date' => '2023-12-25',
        'sort_order' => 123,
        'parent_task_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    ],
    'assignee' => [
        'assignee_id' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-project-id: <x-project-id>"
  ],
]);

$response = curl_exec($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.example.com/api/v1/business/tasks/update"

	payload := strings.NewReader("{\n  \"task_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"fields\": {\n    \"title\": \"<string>\",\n    \"description\": \"<string>\",\n    \"due_date\": \"2023-12-25\",\n    \"sort_order\": 123,\n    \"parent_task_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"assignee\": {\n    \"assignee_id\": \"<string>\"\n  }\n}")

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

	req.Header.Add("x-project-id", "<x-project-id>")
	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.example.com/api/v1/business/tasks/update")
  .header("x-project-id", "<x-project-id>")
  .header("Content-Type", "application/json")
  .body("{\n  \"task_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"fields\": {\n    \"title\": \"<string>\",\n    \"description\": \"<string>\",\n    \"due_date\": \"2023-12-25\",\n    \"sort_order\": 123,\n    \"parent_task_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"assignee\": {\n    \"assignee_id\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/business/tasks/update")

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

request = Net::HTTP::Post.new(url)
request["x-project-id"] = '<x-project-id>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"task_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"fields\": {\n    \"title\": \"<string>\",\n    \"description\": \"<string>\",\n    \"due_date\": \"2023-12-25\",\n    \"sort_order\": 123,\n    \"parent_task_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"assignee\": {\n    \"assignee_id\": \"<string>\"\n  }\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "project_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "identifier": "<string>",
  "title": "<string>",
  "description": "<string>",
  "status": "backlog",
  "priority": "urgent",
  "creator_type": "human",
  "creator_id": "<string>",
  "assignee_type": "human",
  "assignee_id": "<string>",
  "parent_task_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "page_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "schedule_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "due_date": "2023-12-25",
  "sort_order": 123,
  "started_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "comment_count": 123,
  "last_comment_at": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}