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Authentication

Clerk × MailTier

Start onboarding, verification and activation flows from identity events.

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Events you can act on

Turn Clerk activity into timely messages

Each event maps to a real customer moment, so journeys trigger from billing, store, product, or profile changes automatically.

  • user.created
  • session.created
  • organization.created
API / send
send-email.ts 202 Accepted
await fetch(`${MAILTIER_URL}/api/send`, {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": process.env.MAILTIER_API_KEY!,
  },
  body: JSON.stringify({
    from: "[email protected]",
    to: user.email,
    subject: "Your order is confirmed",
    html,
  }),
})

Setup

Connected in three simple steps

Step 01

Connect Clerk

Authorize a narrowly scoped connection with clear ownership.

Step 02

Map user traits

Map identities and events to your shared customer model.

Step 03

Enable onboarding flows

Validate the event stream, then activate the first journey.

Keep exploring

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ST

Stripe

Trigger lifecycle emails from invoices, trials, subscriptions and failed payments.

SH

Shopify

Automate abandoned cart, post-purchase and winback messages.

WO

WooCommerce

Bring store orders and customer behavior into MailTier segments.

Put Clerk data to work.

Connect the first Clerk event, validate customer identity, and launch a working journey with our team.

Start free Book a demo