Tool

Invoice JSON validator

Same schema as template: "invoice" on POST /v1/render. Amounts are integer cents. Tax is printed as sent. This page does not calculate tax and does not print a PDF.

Cents helper

Type a dollar amount. We convert it to integer cents. We do not calculate tax.

Dollars

1800 cents

Invoice payload JSON

{
  "template": "invoice",
  "brand": {
    "name": "Northline Goods",
    "accent": "#9E2A22",
    "address": "18 Mercer Street\nHoboken, NJ 07030"
  },
  "data": {
    "invoice_id": "INV-2208",
    "date": "2026-08-31",
    "due_date": "2026-09-14",
    "bill_to": {
      "name": "Cedar & Pine Outfitters",
      "address": "440 Warehouse Ave, Dock 3",
      "city": "Newark",
      "region": "NJ",
      "postal": "07105",
      "country": "US"
    },
    "from": {
      "name": "Northline Goods",
      "address": "18 Mercer Street\nHoboken, NJ 07030"
    },
    "items": [
      {
        "sku": "TOTE-12",
        "name": "Canvas tote — natural",
        "qty": 12,
        "unit_amount_cents": 1800,
        "description": "Natural canvas, 12 oz"
      },
      {
        "sku": "INK-RED",
        "name": "Stamp pad, warehouse red",
        "qty": 2,
        "unit_amount_cents": 650
      },
      {
        "sku": "TWILL-01",
        "name": "Twill apron",
        "qty": 4,
        "unit_amount_cents": 2400
      }
    ],
    "currency": "USD",
    "tax_cents": 0,
    "notes": "Net 14. Tax printed as sent — Slipmill does not calculate tax."
  }
}

Valid shape. Slipmill prints the PDF from this payload. Template invoice.

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{
  "message": "ok",
  "template": "invoice"
}

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