Integrations

Import Google Contacts, Sheets, and Forms into a subscription group with one-way Sync.

No-code automation platform connecting 8,000+ apps. Create workflows that trigger emails or respond to email events.

Supabase

Route Supabase auth emails — magic links, OTPs, and password resets — through your own branded domain via OAuth or manual SMTP.

clerk

Connect Clerk user auth flows to deliver magic links, invitations, and MFA codes using custom Simply Send SMTP credentials.

auth0

Use custom SMTP to route Auth0 tenant email branding and deliver verification, passwordless sign-in, and reset emails.

Configure NextAuth.js or Auth.js custom SMTP transport to dispatch email verification magic links using standard env variables.

Hook nodemailer into your self-hosted Better Auth server configuration to deliver secure signup and verification emails.

WordPress SMTP

Create SMTP credentials and paste them into WP Mail SMTP, FluentSMTP, or another WordPress SMTP plugin.

WordPress Plugin

Coming soon

Official plugin will route wp_mail through the Simply Send transactional API. Use WordPress SMTP today.

Shopify

Automate branded Shopify transactional emails, sync customers and consent, and build lifecycle marketing flows from your own domains.