One email SDK for every provider.

Email SDK is a TypeScript email SDK for transactional sending through Resend, Postmark, SendGrid, Mailgun, Unosend, AWS SES, Brevo, SMTP, and more with one clean API.

Read the docsBrowse adapters

Retries

Retry transient failures without changing code.

Adapters

Keep provider-specific code out of your app.

CLI

Run setup checks and test sends locally.

Sponsors

Resend logoResend
Sequenzy logoSequenzy
JetEmail logoJetEmail
Primitive logoPrimitive
Lettermint logoLettermint
Instatus logoInstatus
Sponsor
ProviderResend
email.ts
1import { createEmailClient } from "@opencoredev/email-sdk";2import { resend } from "@opencoredev/email-sdk/resend";4const email = createEmailClient({5  adapters: [6    resend({7      apiKey: process.env.RESEND_API_KEY!,8    }),9  ],10  retry: { retries: 1 },11});13await email.send({14  from: "Acme <hello@acme.com>",15  to: "user@example.com",16  subject: "Welcome",17  text: "Your account is ready.",18});