# Recipes (/recipes)

Each recipe is a full working build of a pattern that comes up again and again in real Bitelio projects. They don't re-explain the fundamentals — read up on [concepts](/concepts/workflows) first — and instead spell out every API call, workflow step, and template variable you need, in order.

<Cards>
  <Card title="Waitlist with confirmation email" href="/recipes/waitlist">
    Record each signup as one tracked event and have Bitelio email every new joiner automatically.
  </Card>

  <Card title="Sync unsubscribes to your database" href="/recipes/sync-unsubscribes">
    Use a webhook step to push Bitelio's subscription changes into your own user table.
  </Card>

  <Card title="Double opt-in" href="/recipes/double-opt-in">
    Insert a `{{subscribeUrl}}` confirmation click between signup and the first marketing send.
  </Card>
</Cards>