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Generate Billing Statement

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Generate an XLSX billing statement with a merged company header, subscription line items, overages, credits, and subtotal/tax/total formulas.

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  • Added September 10, 2026
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Works with

  • cli
  • api
  • mcp

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A100/100

Scanned September 10, 2026

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SKILL.md
---
name: generate-billing-statement
description: Generate an XLSX billing statement with a merged company header, subscription line items, overages, credits, and subtotal/tax/total formulas.
---

# Generate Billing Statement

Subscription SaaS platforms use this recipe to generate monthly billing statements as XLSX for enterprise customers who need them for internal accounting and procurement. Define your charges, overages, and credits, and let formulas handle subtotals, tax, and totals automatically.

## APIs Used

Sheet Generation (1 credits/request)

## Prerequisites

You need an Iteration Layer API key. Get one at [platform.iterationlayer.com](https://platform.iterationlayer.com) during the 7-day trial.

For full integration guidance (SDKs, auth, MCP, error handling), see the [Iteration Layer Integration Guide](https://iterationlayer.com/SKILL.md).

## Implementation


```bash
curl -X POST https://api.iterationlayer.com/sheet-generation/v1/generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "format": "xlsx",
    "styles": {
      "header": {
        "font_family": "Helvetica",
        "font_size_in_pt": 11,
        "is_bold": true,
        "background_color": "#4A148C",
        "font_color": "#FFFFFF"
      },
      "body": {
        "font_family": "Helvetica",
        "font_size_in_pt": 11,
        "font_color": "#333333"
      }
    },
    "sheets": [
      {
      "name": "Statement — March 2026",
      "columns": [
        {
          "name": "Date",
          "width": 14,
        },
        {
          "name": "Description",
          "width": 40,
        },
        {
          "name": "Quantity",
          "width": 12,
        },
        {
          "name": "Unit Price",
          "width": 15,
        },
        {
          "name": "Amount",
          "width": 15,
        }
      ],
      "rows": [
        [
          {
            "value": "CloudMetrics GmbH — Billing Statement",
            "styles": {
              "is_bold": true,
              "font_size_in_pt": 14,
            },
            "from_col": 0,
            "to_col": 4,
          }
        ],
        [
          {
            "value": "Customer: Pinnacle Retail Group | Account #ACT-78412",
            "from_col": 0,
            "to_col": 4,
          }
        ],
        [
          {
            "value": "Billing Period: March 1–31, 2026 | Due: April 15, 2026",
            "from_col": 0,
            "to_col": 4,
          }
        ],
        [
          {
            "value": "",
          }
        ],
        [
          {
            "value": "2026-03-01",
            "format": "date",
          },
          {
            "value": "Business Plan — Monthly Subscription",
          },
          {
            "value": 1,
            "format": "number",
          },
          {
            "value": 499,
            "format": "currency",
          },
          {
            "value": 499,
            "format": "currency",
          }
        ],
        [
          {
            "value": "2026-03-01",
            "format": "date",
          },
          {
            "value": "Additional Seats (15 seats)",
          },
          {
            "value": 15,
            "format": "number",
          },
          {
            "value": 12,
            "format": "currency",
          },
          {
            "value": 180,
            "format": "currency",
          }
        ],
        [
          {
            "value": "2026-03-15",
            "format": "date",
          },
          {
            "value": "API Overage — 52,000 extra requests",
          },
          {
            "value": 52,
            "format": "number",
          },
          {
            "value": 0.50,
            "format": "currency",
          },
          {
            "value": 26,
            "format": "currency",
          }
        ],
        [
          {
            "value": "2026-03-15",
            "format": "date",
          },
          {
            "value": "Storage Overage — 120 GB above plan",
          },
          {
            "value": 120,
            "format": "number",
          },
          {
            "value": 0.15,
            "format": "currency",
          },
          {
            "value": 18,
            "format": "currency",
          }
        ],
        [
          {
            "value": "2026-03-01",
            "format": "date",
          },
          {
            "value": "Annual Loyalty Credit",
          },
          {
            "value": 1,
            "format": "number",
          },
          {
            "value": -50,
            "format": "currency",
          },
          {
            "value": -50,
            "format": "currency",
          }
        ],
        [
          {
            "value": "",
          }
        ],
        [
          {
            "value": "",
          },
          {
            "value": "",
          },
          {
            "value": "",
          },
          {
            "value": "Subtotal",
            "styles": {
              "is_bold": true,
            },
          },
          {
            "value": null,
          }
        ],
        [
          {
            "value": "",
          },
          {
            "value": "",
          },
          {
            "value": "",
          },
          {
            "value": "Tax (9.5%)",
            "styles": {
              "is_bold": true,
            },
          },
          {
            "value": null,
          }
        ],
        [
          {
            "value": "",
          },
          {
            "value": "",
          },
          {
            "value": "",
          },
          {
            "value": "Total Due",
            "styles": {
              "is_bold": true,
              "font_size_in_pt": 13,
            },
          },
          {
            "value": null,
            "styles": {
              "is_bold": true,
              "font_size_in_pt": 13,
            },
          }
        ]
      ],
      "formulas": [
        {
          "row": 10,
          "col": 4,
          "expression": "=SUM(E5:E9)",
        },
        {
          "row": 11,
          "col": 4,
          "expression": "=E11*0.095",
        },
        {
          "row": 12,
          "col": 4,
          "expression": "=E11+E12",
        }
      ],
      "merged_cells": [
        {
          "start_row": 0,
          "start_col": 0,
          "end_row": 0,
          "end_col": 4,
        },
        {
          "start_row": 1,
          "start_col": 0,
          "end_row": 1,
          "end_col": 4,
        },
        {
          "start_row": 2,
          "start_col": 0,
          "end_row": 2,
          "end_col": 4,
        }
      ]
    }
    ]
  }'
```

```typescript
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({
  apiKey: "YOUR_API_KEY",
});

const result = await client.generateSheet({
  format: "xlsx",
  styles: {
    header: {
      font_family: "Helvetica",
      font_size_in_pt: 11,
      is_bold: true,
      background_color: "#4A148C",
      font_color: "#FFFFFF",
    },
    body: {
      font_family: "Helvetica",
      font_size_in_pt: 11,
      font_color: "#333333",
    },
  },
  sheets: [
    {
      name: "Statement — March 2026",
      columns: [
        {
          name: "Date",
          width: 14,
        },
        {
          name: "Description",
          width: 40,
        },
        {
          name: "Quantity",
          width: 12,
        },
        {
          name: "Unit Price",
          width: 15,
        },
        {
          name: "Amount",
          width: 15,
        },
      ],
      rows: [
        [
          {
            value: "CloudMetrics GmbH — Billing Statement",
            styles: {
              is_bold: true,
              font_size_in_pt: 14,
            },
            from_col: 0,
            to_col: 4,
          },
        ],
        [
          {
            value: "Customer: Pinnacle Retail Group | Account #ACT-78412",
            from_col: 0,
            to_col: 4,
          },
        ],
        [
          {
            value: "Billing Period: March 1–31, 2026 | Due: April 15, 2026",
            from_col: 0,
            to_col: 4,
          },
        ],
        [
          {
            value: "",
          },
        ],
        [
          {
            value: "2026-03-01",
            format: "date",
          },
          {
            value: "Business Plan — Monthly Subscription",
          },
          {
            value: 1,
            format: "number",
          },
          {
            value: 499,
            format: "currency",
          },
          {
            value: 499,
            format: "currency",
          },
        ],
        [
          {
            value: "2026-03-01",
            format: "date",
          },
          {
            value: "Additional Seats (15 seats)",
          },
          {
            value: 15,
            format: "number",
          },
          {
            value: 12,
            format: "currency",
          },
          {
            value: 180,
            format: "currency",
          },
        ],
        [
          {
            value: "2026-03-15",
            format: "date",
          },
          {
            value: "API Overage — 52,000 extra requests",
          },
          {
            value: 52,
            format: "number",
          },
          {
            value: 0.5,
            format: "currency",
          },
          {
            value: 26,
            format: "currency",
          },
        ],
        [
          {
            value: "2026-03-15",
            format: "date",
          },
          {
            value: "Storage Overage — 120 GB above plan",
          },
          {
            value: 120,
            format: "number",
          },
          {
            value: 0.15,
            format: "currency",
          },
          {
            value: 18,
            format: "currency",
          },
        ],
        [
          {
            value: "2026-03-01",
            format: "date",
          },
          {
            value: "Annual Loyalty Credit",
          },
          {
            value: 1,
            format: "number",
          },
          {
            value: -50,
            format: "currency",
          },
          {
            value: -50,
            format: "currency",
          },
        ],
        [
          {
            value: "",
          },
        ],
        [
          {
            value: "",
          },
          {
            value: "",
          },
          {
            value: "",
          },
          {
            value: "Subtotal",
            styles: {
              is_bold: true,
            },
          },
          {
            value: null,
          },
        ],
        [
          {
            value: "",
          },
          {
            value: "",
          },
          {
            value: "",
          },
          {
            value: "Tax (9.5%)",
            styles: {
              is_bold: true,
            },
          },
          {
            value: null,
          },
        ],
        [
          {
            value: "",
          },
          {
            value: "",
          },
          {
            value: "",
          },
          {
            value: "Total Due",
            styles: {
              is_bold: true,
              font_size_in_pt: 13,
            },
          },
          {
            value: null,
            styles: {
              is_bold: true,
              font_size_in_pt: 13,
            },
          },
        ],
      ],
      formulas: [
        {
          row: 10,
          col: 4,
          expression: "=SUM(E5:E9)",
        },
        {
          row: 11,
          col: 4,
          expression: "=E11*0.095",
        },
        {
          row: 12,
          col: 4,
          expression: "=E11+E12",
        },
      ],
      merged_cells: [
        {
          start_row: 0,
          start_col: 0,
          end_row: 0,
          end_col: 4,
        },
        {
          start_row: 1,
          start_col: 0,
          end_row: 1,
          end_col: 4,
        },
        {
          start_row: 2,
          start_col: 0,
          end_row: 2,
          end_col: 4,
        },
      ],
    },
  ],
});
```

```python
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")

result = client.generate_sheet(
    format="xlsx",
    styles={
        "header": {
            "font_family": "Helvetica",
            "font_size_in_pt": 11,
            "is_bold": True,
            "background_color": "#4A148C",
            "font_color": "#FFFFFF",
        },
        "body": {
            "font_family": "Helvetica",
            "font_size_in_pt": 11,
            "font_color": "#333333",
        },
    },
    sheets=[
        {
        "name": "Statement — March 2026",
        "columns": [
            {
                "name": "Date",
                "width": 14,
            },
            {
                "name": "Description",
                "width": 40,
            },
            {
                "name": "Quantity",
                "width": 12,
            },
            {
                "name": "Unit Price",
                "width": 15,
            },
            {
                "name": "Amount",
                "width": 15,
            },
        ],
        "rows": [
            [
                {
                    "value": "CloudMetrics GmbH — Billing Statement",
                    "styles": {
                        "is_bold": True,
                        "font_size_in_pt": 14,
                    },
                    "from_col": 0,
                    "to_col": 4,
                },
            ],
            [
                {
                    "value": "Customer: Pinnacle Retail Group | Account #ACT-78412",
                    "from_col": 0,
                    "to_col": 4,
                },
            ],
            [
                {
                    "value": "Billing Period: March 1–31, 2026 | Due: April 15, 2026",
                    "from_col": 0,
                    "to_col": 4,
                },
            ],
            [
                {
                    "value": "",
                },
            ],
            [
                {
                    "value": "2026-03-01",
                    "format": "date",
                },
                {
                    "value": "Business Plan — Monthly Subscription",
                },
                {
                    "value": 1,
                    "format": "number",
                },
                {
                    "value": 499,
                    "format": "currency",
                },
                {
                    "value": 499,
                    "format": "currency",
                },
            ],
            [
                {
                    "value": "2026-03-01",
                    "format": "date",
                },
                {
                    "value": "Additional Seats (15 seats)",
                },
                {
                    "value": 15,
                    "format": "number",
                },
                {
                    "value": 12,
                    "format": "currency",
                },
                {
                    "value": 180,
                    "format": "currency",
                },
            ],
            [
                {
                    "value": "2026-03-15",
                    "format": "date",
                },
                {
                    "value": "API Overage — 52,000 extra requests",
                },
                {
                    "value": 52,
                    "format": "number",
                },
                {
                    "value": 0.50,
                    "format": "currency",
                },
                {
                    "value": 26,
                    "format": "currency",
                },
            ],
            [
                {
                    "value": "2026-03-15",
                    "format": "date",
                },
                {
                    "value": "Storage Overage — 120 GB above plan",
                },
                {
                    "value": 120,
                    "format": "number",
                },
                {
                    "value": 0.15,
                    "format": "currency",
                },
                {
                    "value": 18,
                    "format": "currency",
                },
            ],
            [
                {
                    "value": "2026-03-01",
                    "format": "date",
                },
                {
                    "value": "Annual Loyalty Credit",
                },
                {
                    "value": 1,
                    "format": "number",
                },
                {
                    "value": -50,
                    "format": "currency",
                },
                {
                    "value": -50,
                    "format": "currency",
                },
            ],
            [
                {
                    "value": "",
                },
            ],
            [
                {
                    "value": "",
                },
                {
                    "value": "",
                },
                {
                    "value": "",
                },
                {
                    "value": "Subtotal",
                    "styles": {
                        "is_bold": True,
                    },
                },
                {
                    "value": None,
                },
            ],
            [
                {
                    "value": "",
                },
                {
                    "value": "",
                },
                {
                    "value": "",
                },
                {
                    "value": "Tax (9.5%)",
                    "styles": {
                        "is_bold": True,
                    },
                },
                {
                    "value": None,
                },
            ],
            [
                {
                    "value": "",
                },
                {
                    "value": "",
                },
                {
                    "value": "",
                },
                {
                    "value": "Total Due",
                    "styles": {
                        "is_bold": True,
                        "font_size_in_pt": 13,
                    },
                },
                {
                    "value": None,
                    "styles": {
                        "is_bold": True,
                        "font_size_in_pt": 13,
                    },
                },
            ],
        ],
        "formulas": [
            {
                "row": 10,
                "col": 4,
                "expression": "=SUM(E5:E9)",
            },
            {
                "row": 11,
                "col": 4,
                "expression": "=E11*0.095",
            },
            {
                "row": 12,
                "col": 4,
                "expression": "=E11+E12",
            },
        ],
        "merged_cells": [
            {
                "start_row": 0,
                "start_col": 0,
                "end_row": 0,
                "end_col": 4,
            },
            {
                "start_row": 1,
                "start_col": 0,
                "end_row": 1,
                "end_col": 4,
            },
            {
                "start_row": 2,
                "start_col": 0,
                "end_row": 2,
                "end_col": 4,
            },
        ],
    }
    ],
)
```

```go
package main

import il "github.com/iterationlayer/sdk-go"

func main() {
	client := il.NewClient("YOUR_API_KEY")

	result, err := client.GenerateSheet(il.GenerateSheetRequest{
		Format: "xlsx",
		Styles: &il.SheetStyles{
			Header: &il.CellStyle{
				FontFamily:      "Helvetica",
				FontSizeInPt:    11,
				IsBold:          true,
				BackgroundColor: "#4A148C",
				FontColor:       "#FFFFFF",
			},
			Body: &il.CellStyle{
				FontFamily:   "Helvetica",
				FontSizeInPt: 11,
				FontColor:    "#333333",
			},
		},
		Sheets: []il.Sheet{
			{
			Name: "Statement — March 2026",
			Columns: []il.SheetColumn{
				{
					Name:  "Date",
					Width: 14,
				},
				{
					Name:  "Description",
					Width: 40,
				},
				{
					Name:  "Quantity",
					Width: 12,
				},
				{
					Name:  "Unit Price",
					Width: 15,
				},
				{
					Name:  "Amount",
					Width: 15,
				},
			},
			Rows: []il.SheetRow{
				{
					{
						Value: "CloudMetrics GmbH — Billing Statement",
						Styles: &il.CellStyle{
							IsBold:       true,
							FontSizeInPt: 14,
						},
						FromCol: intPtr(0),
						ToCol:   intPtr(4),
					},
				},
				{
					{
						Value:   "Customer: Pinnacle Retail Group | Account #ACT-78412",
						FromCol: intPtr(0),
						ToCol:   intPtr(4),
					},
				},
				{
					{
						Value:   "Billing Period: March 1–31, 2026 | Due: April 15, 2026",
						FromCol: intPtr(0),
						ToCol:   intPtr(4),
					},
				},
				{
					{
						Value: "",
					},
				},
				{
					{
						Value:  "2026-03-01",
						Format: "date",
					},
					{
						Value: "Business Plan — Monthly Subscription",
					},
					{
						Value:  1,
						Format: "number",
					},
					{
						Value:  499,
						Format: "currency",
					},
					{
						Value:  499,
						Format: "currency",
					},
				},
				{
					{
						Value:  "2026-03-01",
						Format: "date",
					},
					{
						Value: "Additional Seats (15 seats)",
					},
					{
						Value:  15,
						Format: "number",
					},
					{
						Value:  12,
						Format: "currency",
					},
					{
						Value:  180,
						Format: "currency",
					},
				},
				{
					{
						Value:  "2026-03-15",
						Format: "date",
					},
					{
						Value: "API Overage — 52,000 extra requests",
					},
					{
						Value:  52,
						Format: "number",
					},
					{
						Value:  0.50,
						Format: "currency",
					},
					{
						Value:  26,
						Format: "currency",
					},
				},
				{
					{
						Value:  "2026-03-15",
						Format: "date",
					},
					{
						Value: "Storage Overage — 120 GB above plan",
					},
					{
						Value:  120,
						Format: "number",
					},
					{
						Value:  0.15,
						Format: "currency",
					},
					{
						Value:  18,
						Format: "currency",
					},
				},
				{
					{
						Value:  "2026-03-01",
						Format: "date",
					},
					{
						Value: "Annual Loyalty Credit",
					},
					{
						Value:  1,
						Format: "number",
					},
					{
						Value:  -50,
						Format: "currency",
					},
					{
						Value:  -50,
						Format: "currency",
					},
				},
				{
					{
						Value: "",
					},
				},
				{
					{
						Value: "",
					},
					{
						Value: "",
					},
					{
						Value: "",
					},
					{
						Value: "Subtotal",
						Styles: &il.CellStyle{
							IsBold: true,
						},
					},
					{
						Value: nil,
					},
				},
				{
					{
						Value: "",
					},
					{
						Value: "",
					},
					{
						Value: "",
					},
					{
						Value: "Tax (9.5%)",
						Styles: &il.CellStyle{
							IsBold: true,
						},
					},
					{
						Value: nil,
					},
				},
				{
					{
						Value: "",
					},
					{
						Value: "",
					},
					{
						Value: "",
					},
					{
						Value: "Total Due",
						Styles: &il.CellStyle{
							IsBold:       true,
							FontSizeInPt: 13,
						},
					},
					{
						Value: nil,
						Styles: &il.CellStyle{
							IsBold:       true,
							FontSizeInPt: 13,
						},
					},
				},
			},
			Formulas: []il.Formula{
				{
					Row:        10,
					Col:        4,
					Expression: "=SUM(E5:E9)",
				},
				{
					Row:        11,
					Col:        4,
					Expression: "=E11*0.095",
				},
				{
					Row:        12,
					Col:        4,
					Expression: "=E11+E12",
				},
			},
			MergedCells: []il.MergedCell{
				{
					StartRow: 0,
					StartCol: 0,
					EndRow:   0,
					EndCol:   4,
				},
				{
					StartRow: 1,
					StartCol: 0,
					EndRow:   1,
					EndCol:   4,
				},
				{
					StartRow: 2,
					StartCol: 0,
					EndRow:   2,
					EndCol:   4,
				},
			},
		},
		},
	})
	if err != nil {
		panic(err)
	}
	_ = result
}
```

```n8n
{
  "name": "Generate Billing Statement",
  "nodes": [
    {
      "parameters": {
        "content": "## Generate Billing Statement

Subscription SaaS platforms use this recipe to generate monthly billing statements as XLSX for enterprise customers who need them for internal accounting and procurement. Define your charges, overages, and credits, and let formulas handle subtotals, tax, and totals automatically.

**Note:** This workflow uses the Iteration Layer community node (`n8n-nodes-iterationlayer`). Install it via Settings > Community Nodes on self-hosted n8n, or add it directly on n8n Cloud with Verified Community Nodes enabled.",
        "height": 280,
        "width": 500,
        "color": 2
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        200,
        40
      ],
      "id": "be6af81d-13b3-4e80-baae-ad9f3664031e",
      "name": "Overview"
    },
    {
      "parameters": {
        "content": "### Step 1: Generate Spreadsheet
Resource: **Sheet Generation**

Configure the Sheet Generation parameters below, then connect your credentials.",
        "height": 160,
        "width": 300,
        "color": 6
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        475,
        100
      ],
      "id": "7cc399fe-4ffe-41fd-b760-9ba76612417c",
      "name": "Step 1 Note"
    },
    {
      "parameters": {},
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        250,
        300
      ],
      "id": "0b75aa47-44e7-4fb4-8467-a19847a5e03b",
      "name": "Manual Trigger"
    },
    {
      "parameters": {
        "resource": "sheetGeneration",
        "sheetFormat": "xlsx",
        "sheetsJson": "[
  {
    \"name\": \"Statement \u2014 March 2026\",
    \"columns\": [
      {
        \"name\": \"Date\",
        \"width\": 14
      },
      {
        \"name\": \"Description\",
        \"width\": 40
      },
      {
        \"name\": \"Quantity\",
        \"width\": 12
      },
      {
        \"name\": \"Unit Price\",
        \"width\": 15
      },
      {
        \"name\": \"Amount\",
        \"width\": 15
      }
    ],
    \"rows\": [
      [
        {
          \"value\": \"CloudMetrics GmbH \u2014 Billing Statement\",
          \"styles\": {
            \"is_bold\": true,
            \"font_size_in_pt\": 14
          },
          \"from_col\": 0,
          \"to_col\": 4
        }
      ],
      [
        {
          \"value\": \"Customer: Pinnacle Retail Group | Account #ACT-78412\",
          \"from_col\": 0,
          \"to_col\": 4
        }
      ],
      [
        {
          \"value\": \"Billing Period: March 1\u201331, 2026 | Due: April 15, 2026\",
          \"from_col\": 0,
          \"to_col\": 4
        }
      ],
      [
        {
          \"value\": \"\"
        }
      ],
      [
        {
          \"value\": \"2026-03-01\",
          \"format\": \"date\"
        },
        {
          \"value\": \"Business Plan \u2014 Monthly Subscription\"
        },
        {
          \"value\": 1,
          \"format\": \"number\"
        },
        {
          \"value\": 499,
          \"format\": \"currency\"
        },
        {
          \"value\": 499,
          \"format\": \"currency\"
        }
      ],
      [
        {
          \"value\": \"2026-03-01\",
          \"format\": \"date\"
        },
        {
          \"value\": \"Additional Seats (15 seats)\"
        },
        {
          \"value\": 15,
          \"format\": \"number\"
        },
        {
          \"value\": 12,
          \"format\": \"currency\"
        },
        {
          \"value\": 180,
          \"format\": \"currency\"
        }
      ],
      [
        {
          \"value\": \"2026-03-15\",
          \"format\": \"date\"
        },
        {
          \"value\": \"API Overage \u2014 52,000 extra requests\"
        },
        {
          \"value\": 52,
          \"format\": \"number\"
        },
        {
          \"value\": 0.5,
          \"format\": \"currency\"
        },
        {
          \"value\": 26,
          \"format\": \"currency\"
        }
      ],
      [
        {
          \"value\": \"2026-03-15\",
          \"format\": \"date\"
        },
        {
          \"value\": \"Storage Overage \u2014 120 GB above plan\"
        },
        {
          \"value\": 120,
          \"format\": \"number\"
        },
        {
          \"value\": 0.15,
          \"format\": \"currency\"
        },
        {
          \"value\": 18,
          \"format\": \"currency\"
        }
      ],
      [
        {
          \"value\": \"2026-03-01\",
          \"format\": \"date\"
        },
        {
          \"value\": \"Annual Loyalty Credit\"
        },
        {
          \"value\": 1,
          \"format\": \"number\"
        },
        {
          \"value\": -50,
          \"format\": \"currency\"
        },
        {
          \"value\": -50,
          \"format\": \"currency\"
        }
      ],
      [
        {
          \"value\": \"\"
        }
      ],
      [
        {
          \"value\": \"\"
        },
        {
          \"value\": \"\"
        },
        {
          \"value\": \"\"
        },
        {
          \"value\": \"Subtotal\",
          \"styles\": {
            \"is_bold\": true
          }
        },
        {
          \"value\": null
        }
      ],
      [
        {
          \"value\": \"\"
        },
        {
          \"value\": \"\"
        },
        {
          \"value\": \"\"
        },
        {
          \"value\": \"Tax (9.5%)\",
          \"styles\": {
            \"is_bold\": true
          }
        },
        {
          \"value\": null
        }
      ],
      [
        {
          \"value\": \"\"
        },
        {
          \"value\": \"\"
        },
        {
          \"value\": \"\"
        },
        {
          \"value\": \"Total Due\",
          \"styles\": {
            \"is_bold\": true,
            \"font_size_in_pt\": 13
          }
        },
        {
          \"value\": null,
          \"styles\": {
            \"is_bold\": true,
            \"font_size_in_pt\": 13
          }
        }
      ]
    ],
    \"formulas\": [
      {
        \"row\": 10,
        \"col\": 4,
        \"expression\": \"=SUM(E5:E9)\"
      },
      {
        \"row\": 11,
        \"col\": 4,
        \"expression\": \"=E11*0.095\"
      },
      {
        \"row\": 12,
        \"col\": 4,
        \"expression\": \"=E11+E12\"
      }
    ],
    \"merged_cells\": [
      {
        \"start_row\": 0,
        \"start_col\": 0,
        \"end_row\": 0,
        \"end_col\": 4
      },
      {
        \"start_row\": 1,
        \"start_col\": 0,
        \"end_row\": 1,
        \"end_col\": 4
      },
      {
        \"start_row\": 2,
        \"start_col\": 0,
        \"end_row\": 2,
        \"end_col\": 4
      }
    ]
  }
]",
        "sheetStylesJson": "{
  \"header\": {
    \"font_family\": \"Helvetica\",
    \"font_size_in_pt\": 11,
    \"is_bold\": true,
    \"background_color\": \"#4A148C\",
    \"font_color\": \"#FFFFFF\"
  },
  \"body\": {
    \"font_family\": \"Helvetica\",
    \"font_size_in_pt\": 11,
    \"font_color\": \"#333333\"
  }
}"
      },
      "type": "n8n-nodes-iterationlayer.iterationLayer",
      "typeVersion": 1,
      "position": [
        500,
        300
      ],
      "id": "59d8c1e0-1c23-4ef6-8ac9-601d193c7516",
      "name": "Generate Spreadsheet",
      "credentials": {
        "iterationLayerApi": {
          "id": "1",
          "name": "Iteration Layer API"
        }
      }
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [
        [
          {
            "node": "Generate Spreadsheet",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}
```

```prompt
Generate an XLSX billing statement for [customer name]. Use the generate_sheet tool with format "xlsx" and these columns:

- Date (date, width 14)
- Description (text, width 40)
- Quantity (number, width 12)
- Unit Price (currency, width 15)
- Amount (currency, width 15)

Include a merged header with [company name], customer and account info, billing period, subscription charges, overage line items, credits, and subtotal/tax/total formulas.
```

### Response


```json
{
  "success": true,
  "data": {
    "buffer": "UEsDBBQAAAAIAA...",
    "mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
  }
}
```


## Links

- [Integration guide](https://iterationlayer.com/SKILL.md)
- [Full documentation](https://iterationlayer.com/docs)
- [OpenAPI spec](https://api.iterationlayer.com/openapi.json)
- [Browse all recipes](https://iterationlayer.com/recipes)

Attribution

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