curl --request POST \
  --url https://api.conduit.ai/v1/conversations/{id}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "body": "Hi there, can you confirm check-in time?",
  "attachments": [
    {
      "attachment_id": "kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c",
      "name": "failed-contacts.csv",
      "content_type": "text/csv",
      "content_length": 18432
    }
  ]
}
'

import requests

url = "https://api.conduit.ai/v1/conversations/{id}/messages"

payload = {
    "body": "Hi there, can you confirm check-in time?",
    "attachments": [
        {
            "attachment_id": "kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c",
            "name": "failed-contacts.csv",
            "content_type": "text/csv",
            "content_length": 18432
        }
    ]
}
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({
    body: JSON.stringify('Hi there, can you confirm check-in time?'),
    attachments: [
      {
        attachment_id: 'kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c',
        name: 'failed-contacts.csv',
        content_type: 'text/csv',
        content_length: 18432
      }
    ]
  })
};

fetch('https://api.conduit.ai/v1/conversations/{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.conduit.ai/v1/conversations/{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([
    'body' => 'Hi there, can you confirm check-in time?',
    'attachments' => [
        [
                'attachment_id' => 'kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c',
                'name' => 'failed-contacts.csv',
                'content_type' => 'text/csv',
                'content_length' => 18432
        ]
    ]
  ]),
  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.conduit.ai/v1/conversations/{id}/messages"

	payload := strings.NewReader("{\n  \"body\": \"Hi there, can you confirm check-in time?\",\n  \"attachments\": [\n    {\n      \"attachment_id\": \"kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c\",\n      \"name\": \"failed-contacts.csv\",\n      \"content_type\": \"text/csv\",\n      \"content_length\": 18432\n    }\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.conduit.ai/v1/conversations/{id}/messages")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"body\": \"Hi there, can you confirm check-in time?\",\n  \"attachments\": [\n    {\n      \"attachment_id\": \"kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c\",\n      \"name\": \"failed-contacts.csv\",\n      \"content_type\": \"text/csv\",\n      \"content_length\": 18432\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.conduit.ai/v1/conversations/{id}/messages")

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  \"body\": \"Hi there, can you confirm check-in time?\",\n  \"attachments\": [\n    {\n      \"attachment_id\": \"kg2a8d8w8zv1m9q9f9h7e3b2n97j6x2c\",\n      \"name\": \"failed-contacts.csv\",\n      \"content_type\": \"text/csv\",\n      \"content_length\": 18432\n    }\n  ]\n}"

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

{
  "data": {
    "id": "yh7t5azsr0zpfpyf67vtce0j6n844y1e",
    "workspace_id": "j57demo8f8x7c9v0n2q4r6t8y1u3i5o",
    "conversation_id": "ph77c0dy0mgdpzmqz6tesry8w184002s",
    "ticket_id": null,
    "channel": "unthreaded_email",
    "status": "sent"
  }
}

{
  "error": "Invalid workspace id"
}

{
  "error": "Invalid workspace id"
}

{
  "error": "Invalid workspace id"
}

{
  "error": "Invalid workspace id"
}

{
  "error": "Invalid workspace id"
}

{
  "error": "Invalid workspace id"
}