Free Transactional Email API Designed for Fast and Reliably Delivery

$ npm i axios

const axios = require('axios');

const email = {
    from: {
        name: 'My awesome startup',
        email: '[email protected]',
    },
    recipients: [
        {
            name: 'Someone',
            email: '[email protected]',
        }
    ],
    content: {
        subject: 'Sample email',
        text_body: 'Plain text body',
        html_body: '<p>This is the <b>HTML</b> body</p>',
    },
};
axios.post('https://api.ahasend.com/v1/email/send', email, {
  headers: {
    'Content-Type': 'application/json',
    'X-Api-Key': 'YOUR-API-KEY',
  }
}).then((response) => {
    console.log(response);
});

$ go get gopkg.in/gomail.v2

                                                email := gomail.NewMessage()
email.SetAddressHeader("From", "[email protected]", "My awesome startup")
email.SetAddressHeader("To", "[email protected]", "Someone")
email.SetHeader("Subject", "Sample email")
email.SetBody("text/plain", "Plain text body")
email.SetBody("text/html", "<p>This is the <b>HTML</b> body</p>")

// Port can be 25, 2525, or 587
d := gomail.NewDialer("send.ahasend.com", 587, "YOUR_SMTP_USERNAME", "YOUR_SMTP_PASSWORD")
if err := d.DialAndSend(msg); err != nil {
    log.Fatal(err)
}

$ python -m pip install requests

import requests
email = {
    'from': {
        'name': 'My awesome startup',
        'email': '[email protected]',
    },
    'recipients': [
        {
            'name': 'Someone',
            'email': '[email protected]',
        }
    ],
    'content': {
        'subject': 'Sample email',
        'text_body': 'Plain text body',
        'html_body': '<p>This is the <b>HTML</b> body</p>',
    },
}
headers = {
    'X-Api-Key': 'YOUR_API_KEY',
    'Content-Type': 'application/json'
}
r = requests.post('https://api.ahasend.com/v1/email/send', json=email, headers=headers)
print(r.json())

$email = [
    'from' => [
        'name' => 'My awesome startup',
        'email' => '[email protected]',
    ],
    'recipients' => [
        [
            name: 'Someone',
            email: '[email protected]',
        ]
    ],
    'content' => [
        'subject' => 'Sample email',
        'text_body' => 'Plain text body',
        'html_body' => '<p>This is the <b>HTML</b> body</p>',
    ],
];
$options = array(
  'http' => array(
    'header'  => "Content-type: application/json\r\nX-Api-Key: YOUR-API-KEY",
    'method'  => 'POST',
    'content' => json_encode($email)
  )
);
$context  = stream_context_create($options);
$resp = file_get_contents('https://api.ahasend.com/v1/email/send', FALSE, $context);
var_export($resp, TRUE);