curl -X POST https://api.getdeckle.dev/v1/templates \
  -H "Authorization: Bearer dk_live_sk_..." \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Invoice",
    "html_content": "<h1>Invoice for {{company}}</h1><p>Total: ${{total}}</p>",
    "schema": {"company": "string", "total": "number"}
  }'

{
  "id": "tmpl_abc123",
  "name": "Invoice",
  "html_content": "<h1>Invoice for {{company}}</h1><p>Total: ${{total}}</p>",
  "schema": {"company": "string", "total": "number"},
  "version": 1,
  "is_public": false,
  "created_at": "2026-02-24T12:00:00.000Z"
}

<h1>Invoice for {{company}}</h1>

{{#each items}}
<tr>
  <td>{{description}}</td>
  <td>{{qty}} x ${{rate}}</td>
  <td>${{amount}}</td>
</tr>
{{/each}}

{{#if discount}}
<p>Discount: {{discount}}%</p>
{{/if}}

<h2>Total: ${{total}}</h2>