require 'uri'
require 'json'

uri = URI.parse('https://app.mailpace.com/api/v1/send')
request = Net::HTTP::Post.new(uri)
request.content_type = 'application/json'
request['Accept'] = 'application/json'
request['mailpace-Server-Token'] = 'API_TOKEN_GOES_HERE'
request.body = JSON.dump(
	{
		'from' => 'test@test.com',
		'to' => 'test@test.com',
		'subject' => 'Hello from MailPace.com',
		'textbody' => 'Hello'
	}
)

req_options = {
	use_ssl: uri.scheme == 'https',
}

response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
	http.request(request)
end

$url = 'https://app.mailpace.com/api/v1/send';
$data = array(
	'from' => 'test@test.com',
	'to' => 'test@test.com',
	'subject' => 'Hello from MailPace.com',
	'textbody' => 'Hello'
);

$options = array(
	'http' => array(
		'header'  => "Content-type: application/json\r\n" .
									"Accept: application/json\r\n" .
									"mailpace-Server-Token: API_TOKEN_GOES_HERE\r\n",
		'method'  => 'POST',
		'content' => json_encode($data)
	)
);
$context  = stream_context_create($options);
$result = file_get_contents($url, false, $context);
var_dump($result);

emailClient := gomysmtp.NewClient("mailpace_TOKEN")
emailPayload := gomysmtp.Payload{
		From:     "test@test.com",
		To:       "test@test.com",
		Subject:  "Hello from MailPace",
		Textbody: "Hello",
}

err := emailClient.Send(emailPayload)
if err != nil {
		// handle err
}

import requests

headers = {
  "Accept": "application/json",
  "Content-Type": "application/json",
  "MailPace-Server-Token": "API_TOKEN_GOES_HERE"
}

data = {
  "from": "example@domain.com",
  "to": "person@somewhere.com",
  "subject": "Hello from MailPace.com",
  "textbody": "Hello"
}

data = json.dumps(data)

response = requests.post('https://app.mailpace.com/api/v1/send', headers=headers, data=data)

$ gem install mailpace-rails
$ rails secret
$ rails credentials:edit

mailpace_api_token: "TOKEN_GOES_HERE"

config.action_mailer.delivery_method = :mailpace
config.action_mailer.mailpace_settings = { api_token: Rails.application.credentials.mailpace_api_token }

composer require mailpace/mailpace-swiftmailer

composer require symfony/oh-my-smtp-mailer

# .env
MAILER_DSN=mailpace+api://API_TOKEN@default

{:mailpace_client, "~> 0.1.0"}

config: :mailpace_client, token: "TOKEN_GOES_HERE"

mailpaceClient.send_email(%mailpaceClient.EmailSendRequest{
	from: "test@test.com",
	subject: "Hello from MailPace",
	textbody: "Hello",
	to: "test@test.com"
})