Email infrastructure
that just works.
The developer-first email API. Send transactional emails at any scale with 99.99% uptime, sub-second delivery, and analytics that actually make sense.
<500ms
Delivery time
99.8%
Inbox rate
10B+
Emails sent
1,000 emails/month free. No credit card required.
import Postalynk from '@postalynk/node';
const client = new Postalynk({
apiKey: process.env.POSTALYNK_API_KEY
});
await client.send({
from: 'hello@yourdomain.com',
to: 'user@example.com',
subject: 'Welcome aboard!',
template: 'welcome',
data: { name: user.firstName }
});Delivered
142ms
Today's sends
24,891
Trusted by engineering teams at
10B+
Emails Delivered
99.8%
Inbox Placement
<500ms
Avg. Delivery
24/7
Expert Support
Everything you need to send email at scale
From startups to enterprises, Postalynk provides the tools and reliability your business demands.
Sub-Second Delivery
Our distributed infrastructure delivers emails in under 500ms average. Built for time-sensitive transactional emails.
Enterprise Security
SOC 2 Type II compliant. TLS 1.3 encryption, automatic DKIM/SPF/DMARC setup, and dedicated IP reputation management.
Real-Time Analytics
Track every email with millisecond precision. Monitor deliveries, opens, clicks, and bounces as they happen.
Developer First
RESTful API with SDKs for Node.js, Python, Ruby, Go, and PHP. Comprehensive docs and quick-start guides.
Custom Domains
Send from your own domain with one-click DNS configuration. Automated verification and health monitoring.
99.99% SLA
Redundant infrastructure across multiple regions with automatic failover. Backed by our service level agreement.
Built for every email scenario
Whether you're sending password resets or marketing campaigns, Postalynk has you covered.
Transactional Email
Password resets, order confirmations, shipping updates, and account notifications.
Marketing Campaigns
Newsletters, promotional emails, and drip campaigns with advanced segmentation.
Event-Driven Notifications
Webhooks for delivery events with real-time status updates and analytics.
Template Management
Dynamic templates with variable substitution and version control.
Integrate in minutes, not days
Our API is designed for developers. Clear documentation, predictable responses, and SDKs for every major language.
import Postalynk from '@postalynk/node';
const client = new Postalynk({
apiKey: process.env.POSTALYNK_API_KEY
});
await client.send({
from: 'hello@yourdomain.com',
to: 'user@example.com',
subject: 'Welcome!',
template: 'welcome-email',
variables: {
name: user.firstName,
loginUrl: 'https://app.example.com'
}
});Up and running in three steps
Start sending emails in minutes. No complex setup required.
Create an account
Sign up for free and get your API key. No credit card required.
Verify your domain
Add DNS records with our guided setup. Takes under 5 minutes.
Start sending
Use our API or SMTP relay. Monitor everything in real-time.
Loved by engineering teams
“Postalynk handles our 2M daily emails without breaking a sweat. The deliverability improvements alone paid for itself in the first month.”
Sarah Chen
CTO, TechScale
“We migrated from our legacy provider in an afternoon. The API is intuitive, the docs are excellent, and support actually knows what they're talking about.”
Marcus Johnson
Lead Engineer, DataFlow
“The real-time analytics transformed how we understand email engagement. We've increased our open rates by 34% since switching.”
Emily Rodriguez
Head of Growth, StartupIO
The email API that respects your time and budget
Tired of surprise bills and laggy dashboards? We built Postalynk to be the provider we always wanted.
- No per-email fees on any plan
- Dedicated IPs included on Pro+
- Unlimited team members on Enterprise
- 90-day log retention (vs 7-30 days)
- Real human support, no chatbots
- No hidden overage surprises