curl --request POST \
  --url https://dev-billing-api.iqraa.ai/api/v1/api/v1/invoices-templates/preview \
  --header 'Content-Type: application/json' \
  --header 'X-Preferred-Language: <x-preferred-language>' \
  --header 'x-admin-api-key: <x-admin-api-key>' \
  --data '
{
  "templateId": "550e8400-e29b-41d4-a716-446655440000",
  "previewData": {
    "invoiceNumber": "INV-2023-001",
    "description": "Monthly subscription fee",
    "amount": 99.99,
    "currency": "USD",
    "planName": "Premium Plan",
    "customerName": "John Doe",
    "customerEmail": "john.doe@example.com",
    "startDate": "2023-01-01T00:00:00Z",
    "renewalDate": "2023-02-01T00:00:00Z",
    "paymentTerms": 30
  }
}
'

"<string>"