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Fast, reliable transactional email delivery
Postmark focuses exclusively on transactional email, delivering messages fast with industry-leading deliverability rates.
Features
✓Transactional focus
✓Message streams
✓Templates
✓Inbound processing
✓Bounce handling
Integration Example
Use Postmark through Keystore with zero code changes. Keys are resolved from the vault and injected at request time.
postmark-example.ts
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import Keystore from "@keystore/sdk";
const ks = new Keystore({ agentToken: process.env.KS_TOKEN! });
ks.interceptAll();
// All requests to Postmark's API are automatically
// intercepted and routed through the Keystore proxy.
// Real credentials are injected server-side.
const res = await fetch("https://api.postmark.com/v1/...", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ /* your payload */ }),
});
const data = await res.json();
console.log(data);Use Cases
Password resets
Order confirmations
Notifications
Welcome emails
Ready to use Postmark?
Request access and our concierge team will provision credentials for you — usually within 24 hours. No setup on your end.
Request Access