Automate email sending
Integrate MailerSend in your workflow with Zapier or Integromat and start sending emails automatically triggered by activity from your apps.
Transactional email is now a team sport
A powerful infrastructure to scale quickly. An intuitive interface so the entire team can contribute. A smarter way to work.
Why MailerSend?
MailerSend is a comprehensive tool for your everyday business: send invoices, delivery updates, forgotten password links in seconds, without thinking about it.
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Email API
MailerSend’s powerful RESTful API is built with you in mind. Start integrating email sending quickly with our official libraries and authenticate API requests with tokens.
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SMTP relay
Use Simple Mail Transfer Protocol when you want to quickly send emails using a reliable Internet standard. Our SMTP relay service takes care of your email delivery so you don’t have to manage an email server.
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Inbound routing
Automatically parse incoming emails. Inbound email routes enable MailerSend to receive emails on your behalf, integrating them into your application.
Created by the deliverability experts
MailerSend integrates quickly into your tech stack, scales with your sendings, and ensures that your email gets delivered.
“ We switched to MailerSend while sending more than 20,000 emails a day. Integration was a breeze with their great API and SDKs for your favorite language. Since then, we've scaled up to send over 7 million emails without any problems. ”
Nikola Milojević
, CTO![[{},{},{},{}]](/assets/logos/mailerlite.svg)
“ MailerSend gives us peace of mind. We never worry about our emails. All the work happens in the background—always addressing our needs. ”
Raphaël Abadie
, CTO![[{},{},{},{}]](/assets/logos/caresend.png)
“ After switching to MailerSend, our e-mail deliverability has increased dramatically across every application we manage. The user experience and support are exceptional. MailerSend has figured out how to do transactional e-mail right! ”
Dave Buonomo
, President & CTO![[{},{},{},{}]](/assets/logos/blueatlas.png)
“ MailerSend fits perfectly into my workflows and it allows me to do exactly what I need to do. It's the best transactional email tool for people who don’t code. ”
Connor Finlayson
, Founder, Unicorn Factory![[{},{},{},{}]](/assets/logos/UnicornFactory-Logo-Long.svg){kind=logo}
Integrate quickly with our API documentation
MailerSend fits right into your stack with libraries for your favorite programming language, while detailed API documentation helps you send emails in minutes.
Read our API docscurl -X POST \
https://api.mailersend.com/v1/email \
-H 'Content-Type: application/json' \
-H 'X-Requested-With: XMLHttpRequest' \
-H 'Authorization: Bearer {place your token here without brackets}' \
-d '{
"from": {
"email": "your@email.com"
},
"to": [
{
"email": "your@client.com"
}
],
"subject": "Hello from MailerSend!",
"text": "Greetings from the team, you got this message through MailerSend.",
"html": "
Greetings from the team, you got this message through MailerSend.
" }'use MailerSend\MailerSend;
use MailerSend\Helpers\Builder\Recipient;
use MailerSend\Helpers\Builder\EmailParams;
$mailersend = new MailerSend(['api_key' => 'key']);
$recipients = [
new Recipient('your@client.com', 'Your Client'),
];
$emailParams = (new EmailParams())
->setFrom('your@email.com')
->setFromName('Your Name')
->setRecipients($recipients)
->setSubject('Subject')
->setHtml('
Greetings from the team, you got this message through MailerSend.
') ->setText('Greetings from the team, you got this message through MailerSend.'); $mailersend->email->send($emailParams);const Recipient = require("mailersend").Recipient;
const EmailParams = require("mailersend").EmailParams;
const MailerSend = require("mailersend");
const mailersend = new MailerSend({
api_key: "key",
});
const recipients = [new Recipient("your@client.com", "Your Client")];
const emailParams = new EmailParams()
.setFrom("your@email.com")
.setFromName("Your Name")
.setRecipients(recipients)
.setSubject("Subject")
.setHtml("
Greetings from the team, you got this message through MailerSend.
") .setText("Greetings from the team, you got this message through MailerSend."); mailersend.send(emailParams);package main
import (
"context"
"fmt"
"time"
"github.com/mailersend/mailersend-go"
)
var APIKey string = "Api Key Here"
func main() {
ms := mailersend.NewMailersend(APIKey)
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
subject := "Subject"
text := "Greetings from the team, you got this message through MailerSend."
html := "
Greetings from the team, you got this message through MailerSend.
" from := mailersend.From{ Name: "Your Name", Email: "your@email.com", } recipients := []mailersend.Recipient{ { Name: "Your Client", Email: "your@client.com", }, } variables := []mailersend.Variables{ { Email: "your@client.com", Substitutions: []mailersend.Substitution{ { Var: "foo", Value: "bar", }, }, }, } tags := []string{"foo", "bar"} message := ms.NewMessage() message.SetFrom(from) message.SetRecipients(recipients) message.SetSubject(subject) message.SetHTML(html) message.SetText(text) message.SetSubstitutions(variables) message.SetTags(tags) res, _ := ms.Send(ctx, message) fmt.Printf(res.Header.Get("X-Message-Id")) }from mailersend import emails
mailer = emails.NewEmail()
mail_body = {}
mail_from = {
"name": "Your Name",
"email": "your@domain.com",
}
recipients = [
{
"name": "Your Client",
"email": "your@client.com",
}
]
mailer.set_mail_from(mail_from, mail_body)
mailer.set_mail_to(recipients, mail_body)
mailer.set_subject("Hello!", mail_body)
mailer.set_html_content("
Greetings from the team, you got this message through MailerSend.
", mail_body) mailer.set_plaintext_content("Greetings from the team, you got this message through MailerSend.", mail_body) mailer.send(mail_body)require "mailersend-ruby"
# Intialize the email class
ms_email = Mailersend::Email.new
# Add parameters
ms_email.add_recipients("email" => "your@client.com", "name" => "Your Client")
ms_email.add_recipients("email" => "your@client.com", "name" => "Your Client")
ms_email.add_from("email" => "your@domain.com", "name" => "Your Name")
ms_email.add_subject("Hello!")
ms_email.add_text("Greetings from the team, you got this message through MailerSend.")
ms_email.add_html("Greetings from the team, you got this message through MailerSend.")
# Send the email
ms_email.send
Build personalized relationships at scale
Use our ready-made dynamic email templates to build one-to-one relationships on a mass scale. You can send a few or a few million emails with messages that are automatically personalized for each recipient.
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Drag & drop builder
MailerSend’s drag & drop email template builder empowers anyone in your team to create professional-looking transactional emails on their own. No coding required!
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Predesigned email templates
Choose from our growing library of responsive email templates to create your design in our email editor. Then make it your own by customizing fonts, images, colors and your logo to match your brand.
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Personalization
Transactional emails work better when they’re personalized. Work smarter by creating a single template that uses dynamic data for email personalization.
24/7 customer support
Get help whenever you need it! Contact us here or just drop us a message on the live chat. Our dedicated support team works around the clock because transactional emails never stop.
93%
satisfaction rate
100%
response rate
24/7
support hours