curl --request POST \
  --url https://api.example.com/api/tasks/{task_id}/messages \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "<string>",
  "attachment_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "develop_enabled": true,
  "display_content": "<string>",
  "is_retry": false,
  "model_override": "<string>",
  "model_override_rate_in": 123,
  "model_override_rate_out": 123,
  "plan_first_enabled": true,
  "selected_branches": {}
}
'

import requests

url = "https://api.example.com/api/tasks/{task_id}/messages"

payload = {
    "content": "<string>",
    "attachment_ids": ["3c90c3cc-0d44-4b50-8888-8dd25736052a"],
    "develop_enabled": True,
    "display_content": "<string>",
    "is_retry": False,
    "model_override": "<string>",
    "model_override_rate_in": 123,
    "model_override_rate_out": 123,
    "plan_first_enabled": True,
    "selected_branches": {}
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    content: '<string>',
    attachment_ids: ['3c90c3cc-0d44-4b50-8888-8dd25736052a'],
    develop_enabled: true,
    display_content: '<string>',
    is_retry: false,
    model_override: '<string>',
    model_override_rate_in: 123,
    model_override_rate_out: 123,
    plan_first_enabled: true,
    selected_branches: {}
  })
};

fetch('https://api.example.com/api/tasks/{task_id}/messages', 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/tasks/{task_id}/messages",
  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([
    'content' => '<string>',
    'attachment_ids' => [
        '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    ],
    'develop_enabled' => true,
    'display_content' => '<string>',
    'is_retry' => false,
    'model_override' => '<string>',
    'model_override_rate_in' => 123,
    'model_override_rate_out' => 123,
    'plan_first_enabled' => true,
    'selected_branches' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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.example.com/api/tasks/{task_id}/messages"

	payload := strings.NewReader("{\n  \"content\": \"<string>\",\n  \"attachment_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ],\n  \"develop_enabled\": true,\n  \"display_content\": \"<string>\",\n  \"is_retry\": false,\n  \"model_override\": \"<string>\",\n  \"model_override_rate_in\": 123,\n  \"model_override_rate_out\": 123,\n  \"plan_first_enabled\": true,\n  \"selected_branches\": {}\n}")

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

	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/tasks/{task_id}/messages")
  .header("Content-Type", "application/json")
  .body("{\n  \"content\": \"<string>\",\n  \"attachment_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ],\n  \"develop_enabled\": true,\n  \"display_content\": \"<string>\",\n  \"is_retry\": false,\n  \"model_override\": \"<string>\",\n  \"model_override_rate_in\": 123,\n  \"model_override_rate_out\": 123,\n  \"plan_first_enabled\": true,\n  \"selected_branches\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/tasks/{task_id}/messages")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"content\": \"<string>\",\n  \"attachment_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ],\n  \"develop_enabled\": true,\n  \"display_content\": \"<string>\",\n  \"is_retry\": false,\n  \"model_override\": \"<string>\",\n  \"model_override_rate_in\": 123,\n  \"model_override_rate_out\": 123,\n  \"plan_first_enabled\": true,\n  \"selected_branches\": {}\n}"

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

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