curl --request POST \
  --url https://api.open.cx/email \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from_email": "[email protected]",
  "recipients": [
    {
      "to_email": "[email protected]",
      "email_body": "<string>",
      "email_subject": "<string>",
      "email_sender_name": "<string>",
      "email_is_transactional": true
    }
  ],
  "delay_in_minutes": 123,
  "fallback_email_subject": "<string>",
  "fallback_email_sender_name": "<string>",
  "fallback_email_body": "<string>"
}
'

import requests

url = "https://api.open.cx/email"

payload = {
    "from_email": "[email protected]",
    "recipients": [
        {
            "to_email": "[email protected]",
            "email_body": "<string>",
            "email_subject": "<string>",
            "email_sender_name": "<string>",
            "email_is_transactional": True
        }
    ],
    "delay_in_minutes": 123,
    "fallback_email_subject": "<string>",
    "fallback_email_sender_name": "<string>",
    "fallback_email_body": "<string>"
}
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({
    from_email: '[email protected]',
    recipients: [
      {
        to_email: '[email protected]',
        email_body: '<string>',
        email_subject: '<string>',
        email_sender_name: '<string>',
        email_is_transactional: true
      }
    ],
    delay_in_minutes: 123,
    fallback_email_subject: '<string>',
    fallback_email_sender_name: '<string>',
    fallback_email_body: '<string>'
  })
};

fetch('https://api.open.cx/email', 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.open.cx/email",
  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([
    'from_email' => '[email protected]',
    'recipients' => [
        [
                'to_email' => '[email protected]',
                'email_body' => '<string>',
                'email_subject' => '<string>',
                'email_sender_name' => '<string>',
                'email_is_transactional' => true
        ]
    ],
    'delay_in_minutes' => 123,
    'fallback_email_subject' => '<string>',
    'fallback_email_sender_name' => '<string>',
    'fallback_email_body' => '<string>'
  ]),
  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.open.cx/email"

	payload := strings.NewReader("{\n  \"from_email\": \"[email protected]\",\n  \"recipients\": [\n    {\n      \"to_email\": \"[email protected]\",\n      \"email_body\": \"<string>\",\n      \"email_subject\": \"<string>\",\n      \"email_sender_name\": \"<string>\",\n      \"email_is_transactional\": true\n    }\n  ],\n  \"delay_in_minutes\": 123,\n  \"fallback_email_subject\": \"<string>\",\n  \"fallback_email_sender_name\": \"<string>\",\n  \"fallback_email_body\": \"<string>\"\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.open.cx/email")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"from_email\": \"[email protected]\",\n  \"recipients\": [\n    {\n      \"to_email\": \"[email protected]\",\n      \"email_body\": \"<string>\",\n      \"email_subject\": \"<string>\",\n      \"email_sender_name\": \"<string>\",\n      \"email_is_transactional\": true\n    }\n  ],\n  \"delay_in_minutes\": 123,\n  \"fallback_email_subject\": \"<string>\",\n  \"fallback_email_sender_name\": \"<string>\",\n  \"fallback_email_body\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.open.cx/email")

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  \"from_email\": \"[email protected]\",\n  \"recipients\": [\n    {\n      \"to_email\": \"[email protected]\",\n      \"email_body\": \"<string>\",\n      \"email_subject\": \"<string>\",\n      \"email_sender_name\": \"<string>\",\n      \"email_is_transactional\": true\n    }\n  ],\n  \"delay_in_minutes\": 123,\n  \"fallback_email_subject\": \"<string>\",\n  \"fallback_email_sender_name\": \"<string>\",\n  \"fallback_email_body\": \"<string>\"\n}"

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

{
  "statusCode": 123,
  "message": "<string>",
  "error": "<string>"
}