Postmark ♡ Code Story

Say goodbye to your email deliverability nightmares

With Postmark, you can stop worrying if your emails made it to the inbox, and get back to focusing on what matters—building great products.

API

Start sending in minutes

With API libraries for pretty much every programming language you can think of, Postmark fits seamlessly into any stack.


// Send an email with the Postmark-PHP library
// Learn more -> https://postmarkapp.com/developer/integration/official-libraries#php

// Install with composer
composer require wildbit/postmark-php

// Import
use Postmark\PostmarkClient;

// Example request
$client = new PostmarkClient("server token");

$sendResult = $client->sendEmail(
  "sender@example.com",
  "receiver@example.com",
  "Hello from Postmark!",
  "This is just a friendly 'hello' from your friends at Postmark."
);

# Send an email with the Postmark Ruby Gem
# Learn more -> https://postmarkapp.com/developer/integration/official-libraries#ruby-gem

# Add the Postmark Ruby Gem to your Gemfile
gem 'postmark'

# Require gem
require 'postmark'

# Create an instance of Postmark::ApiClient
client = Postmark::ApiClient.new('POSTMARK_API_TEST')

# Example request
client.deliver(
  from: 'sender@example.com',
  to: 'receiver@example.com',
  subject: 'Hello from Postmark',
  html_body: '<strong>Hello</strong> dear Postmark user.',
  track_opens: true
)

# Send an email with the Postmark Rails Gem
# Learn more -> https://postmarkapp.com/developer/integration/official-libraries#rails-gem

# Add this to your gemfile
gem 'postmark-rails'

# Add this to your config/application.rb file:
config.action_mailer.delivery_method = :postmark
config.action_mailer.postmark_settings = { :api_token => "POSTMARK_API_TEST" }

# Send the email
class TestMailer < ActionMailer::Base
  def hello
    mail(
      :subject => 'Hello from Postmark',
      :to  => 'receiver@example.com',
      :from => 'sender@example.com',
      :html_body => '<strong>Hello</strong> dear Postmark user.',
      :track_opens => 'true'
    )
  end
end

# Send an email with the Postmark Python library
# Learn more -> https://postmarkapp.com/send-email/python

# Install the Postmark Python library with pip from the command line:
pip install postmarker

# Import
from postmarker.core import PostmarkClient

# Create an instance of the Postmark client
postmark = PostmarkClient(server_token='POSTMARK-SERVER-API-TOKEN-HERE')

# Send an email
postmark.emails.send(
  From='sender@example.com',
  To='recipient@example.com',
  Subject='Postmark test',
  HtmlBody='HTML body goes here'
)

// Send an email with the Postmark .NET library
// Learn more -> https://postmarkapp.com/developer/integration/official-libraries#dot-net

// Install with NuGet
PM> Install-Package Postmark

// Import
using PostmarkDotNet;

// Example request
PostmarkMessage message = new PostmarkMessage {
    From = "sender@example.com",
    To = "receiver@example.com",
    Subject = "Hello from Postmark",
    HtmlBody = "<strong>Hello</strong> dear Postmark user.",
    TextBody = "Hello dear postmark user.",
    ReplyTo = "reply@example.com",
    TrackOpens = true,
    Headers = new NameValueCollection {{ "CUSTOM-HEADER", "value" }}
};

PostmarkClient client = new PostmarkClient("POSTMARK_API_TEST");

PostmarkResponse response = client.SendMessage(message);

if(response.Status != PostmarkStatus.Success) {
    Console.WriteLine("Response was: " + response.Message);
}

// Send an email with the Postmark.js library
// Learn more -> https://postmarkapp.com/developer/integration/official-libraries#node-js

// Install with npm
npm install postmark --save

// Require
var postmark = require("postmark");

// Example request
var client = new postmark.ServerClient("server token");

client.sendEmail({
    "From": "sender@example.com",
    "To": "receiver@example.com",
    "Subject": "Test",
    "TextBody": "Hello from Postmark!"
});

# Send an email with curl
# Copy and paste this into terminal

curl "https://api.postmarkapp.com/email" \
  -X POST \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -H "X-Postmark-Server-Token: POSTMARK_API_TEST" \
  -d "{From: 'sender@example.com', To: 'receiver@example.com', Subject: 'Hello from Postmark', HtmlBody: '<strong>Hello</strong> dear Postmark user.'}"

Switching to Postmark?

Check out our handy migration guides

Official API libraries for all your favorite languages and frameworks.

Delivery Speed

Email delivery you can rely on

Our entire business revolves around never losing a single email and ensuring your emails arrive in the inbox quickly—not eventually.

  • Gmail

  • Apple

  • Hotmail

  • AOL

  • Yahoo

Time to Inbox data updated every 5 minutes
  • Abdullah Al-hennawy Abdullah
  • Anita Pericic Anita
  • Anna Ward Anna
  • Brian Kerr Brian
  • Dana Chaby Dana
  • Fionnuala Walls Fionnuala
  • Jordan Dibb Jordan
  • Natalie Keshlear Natalie
  • Shelley Jeżewska Shelley

Great support as a standard

It’s not just our email delivery that’s fast and reliable. Our knowledgeable customer success team is here for you should you need us (and we never make you pay extra for premium support.)

96%
Customer Happiness Rating
  • 😃 Great (96%)
  • 🙂 Okay (2%)
  • 😔 Not Good (3%)

Customer feedback gathered through Help Scout over the past 60 days.

Stack of emails with Postmark ribbon

Simple monthly pricing

Plans start at just $10 per month. Great deliverability and top-notch support are always included.

 
Emails per month
Monthly price
Additional emails

Need a bigger plan?

Email us to discuss our high-volume plans.

What’s the best plan for you?

Tell us how many emails your application sends and receives each month and we’ll find the best plan for you.

Three stacks of envelopes

We're a partner, not just a provider

We’re profitable, privately owned, and in this for the long haul. Since 2010 we’ve delivered billions of emails for companies of all sizes.