curl --request POST \
  --url https://api.craftkit.dev/v1/templates \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Invoice",
  "slug": "invoice",
  "description": "Standard customer invoice",
  "manifest": {
    "variables": [
      {
        "key": "customer.name",
        "label": "Customer name",
        "dataType": "text",
        "required": true
      }
    ],
    "loops": []
  },
  "pageConfig": {
    "format": "A4",
    "orientation": "portrait",
    "margin": "20mm",
    "printBackground": true
  }
}
'

{
  "id": "7c9f0b2e-2b1a-4f3d-9c8e-1a2b3c4d5e6f",
  "slug": "invoice",
  "currentVersionNumber": 1,
  "manifest": {
    "variables": [
      {
        "key": "customer.name",
        "label": "Customer name",
        "dataType": "text",
        "required": true
      }
    ],
    "loops": []
  }
}