A modern alternative to
Postmark
Postmark set the standard for transactional email. GetMailer builds on that foundation with a modern API, competitive pricing, and AI-native integrations.
Why developers switch from Postmark
Modern API Design
Postmark: Established but older API conventions
GetMailer: Modern REST API built with today's best practices
Lower Pricing
Postmark: Starting at $15/month for 10,000 emails
GetMailer: Pay-as-you-go with a generous free tier
Flexible Templates
Postmark: Server-side templates with Mustachio syntax
GetMailer: Flexible template engine with dynamic variables
Better Webhooks
Postmark: Webhook support with fixed event types
GetMailer: Comprehensive webhook system with granular event filtering
AI Integration
Postmark: No AI or MCP integration
GetMailer: MCP server for Claude and AI assistant integration
SMTP Relay
Postmark: SMTP support available
GetMailer: Full SMTP relay plus modern REST API
Feature comparison
| Feature | GetMailer | Postmark |
|---|---|---|
| API design | Modern REST API | Established REST API |
| Pricing (per email) | From $0.00050/email | From $0.00150/email |
| Template engine | Dynamic variables with flexible syntax | Mustachio-based templates |
| Webhooks | Granular event filtering | Standard webhook events |
| AI integration | MCP server for Claude & AI tools | No AI integration |
| SMTP relay | Full SMTP + REST API | SMTP + REST API |
Switch in under 5 minutes
Migrating from Postmark is straightforward. Here's how your code changes.
Postmark
const postmark = require('postmark');
const client = new postmark.ServerClient(
process.env.POSTMARK_API_TOKEN
);
await client.sendEmail({
From: '[email protected]',
To: '[email protected]',
Subject: 'Welcome!',
HtmlBody: '<p>Hello world</p>',
});GetMailer
await fetch('https://getmailer.co/api/v1/email', {
method: 'POST',
headers: {
'Authorization': 'Bearer gm_your_key',
'Content-Type': 'application/json',
},
body: JSON.stringify({
from: '[email protected]',
to: '[email protected]',
subject: 'Welcome!',
html: '<p>Hello world</p>',
}),
});No SDK required. Just a simple HTTP request with your API key.
Ready to switch?
Migrate from Postmark in under 5 minutes.
All prices are displayed in EUR (Euro)