Postmark
Reliable, fast email API for transactional messages
What is Postmark?
Try PostmarkPostmark is an email delivery service for sending transactional messages reliably. It connects to your stack through integrations (including tools like Slack, Datadog, Zapier, and Stripe) so you can power notifications and automate email delivery without manually handling sending logistics.
What is Postmark used for?
Postmark is used to power transactional email delivery for time-sensitive messages like app and customer notifications. You can connect it to your application and sending workflows so your messages are sent reliably and with visibility into what’s happening.
Do I need to write code to use Postmark?
Postmark is built around email delivery via its API/SMTP for application workflows, but it also supports no-code paths through integrations such as Zapier and app-specific connectors. Depending on your stack, you can connect Postmark to tools you already use to trigger and manage sends.
Which platforms can Postmark integrate with?
Postmark integrates with a wide range of tools, including monitoring and analytics (like Datadog), automation (Zapier), and popular business apps such as Customer.io, ActiveCampaign, Stripe, Supabase, Bubble, and Slack. It also offers options for website and CMS setups like Netlify, Craft CMS, and WordPress (via tools such as WP Mail SMTP and Gravity SMTP for WordPress).
How can I send transactional emails from WordPress or a CMS using Postmark?
If you’re using WordPress, you can send transactional emails through Postmark using integrations like WP Mail SMTP or Gravity SMTP for WordPress. For Craft CMS, Postmark provides a mail adapter to make Postmark the default email service for your Craft emails.
Can I automate transactional email sending with other apps?
Yes. Postmark’s Zapier integration lets you connect Postmark to thousands of apps, and there are also direct connectors for tools like Typeform via Zapier and SureTriggers for workflow automation. This makes it easier to send an email when a form is submitted or when an automation runs.
How does Postmark help with visibility and operational alerts?
Postmark integrations include tools that surface email delivery signals, such as the Slack app for bounce notifications and status updates. You can also use analytics webhooks and monitoring integrations like Datadog to connect email activity to your existing observability setup.