Generate professional invoices with one API call

curl -X POST https://api.invoiceapi.dev/v1/invoices \
  -H "Authorization: Bearer inv_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "template": "modern",
    "currency": "USD",
    "from": {
      "name": "Acme Inc",
      "email": "billing@acme.com"
    },
    "to": {
      "name": "John Smith",
      "email": "john@example.com"
    },
    "items": [
      {
        "description": "Pro Plan - Monthly",
        "quantity": 1,
        "unitPrice": 99.00
      }
    ],
    "taxRate": 8.25,
    "notes": "Thanks for your business!"
  }'

{
  "id": "inv_abc123",
  "invoiceNumber": "INV-202412-X7K9M2",
  "pdfUrl": "https://api.invoiceapi.dev/v1/invoices/inv_abc123/pdf",
  "total": 107.17,
  "currency": "USD",
  "createdAt": "2024-12-15T10:30:00Z"
}