Request
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": "#2B579A",
"font_color": "#FFFFFF"
},
"body": {
"font_family": "Helvetica",
"font_size_in_pt": 11,
"font_color": "#333333"
}
},
"sheets": [
{
"name": "Invoice #2026-0187",
"columns": [
{
"name": "Description",
"width": 35,
},
{
"name": "Quantity",
"width": 12,
},
{
"name": "Unit Price",
"width": 15,
},
{
"name": "Amount",
"width": 15,
}
],
"rows": [
[
{
"value": "Acme Consulting LLC — Invoice #2026-0187",
"styles": {
"is_bold": true,
"font_size_in_pt": 14,
},
"from_col": 0,
"to_col": 3,
}
],
[
{
"value": "Bill To: Northwind Industries, 1200 Industrial Blvd, Denver, CO 80202",
"from_col": 0,
"to_col": 3,
}
],
[
{
"value": "Date: March 21, 2026 | Due: April 20, 2026",
"from_col": 0,
"to_col": 3,
}
],
[
{
"value": "",
}
],
[
{
"value": "Brand Strategy Workshop (2 days)",
},
{
"value": 1,
"format": "number",
},
{
"value": 8500,
"format": "currency",
},
{
"value": 8500,
"format": "currency",
}
],
[
{
"value": "UI/UX Design Sprint (5 days)",
},
{
"value": 1,
"format": "number",
},
{
"value": 15000,
"format": "currency",
},
{
"value": 15000,
"format": "currency",
}
],
[
{
"value": "Frontend Development (120 hrs)",
},
{
"value": 120,
"format": "number",
},
{
"value": 175,
"format": "currency",
},
{
"value": 21000,
"format": "currency",
}
],
[
{
"value": "QA & User Acceptance Testing (40 hrs)",
},
{
"value": 40,
"format": "number",
},
{
"value": 150,
"format": "currency",
},
{
"value": 6000,
"format": "currency",
}
],
[
{
"value": "",
}
],
[
{
"value": "",
},
{
"value": "",
},
{
"value": "Subtotal",
"styles": {
"is_bold": true,
},
},
{
"value": null,
}
],
[
{
"value": "",
},
{
"value": "",
},
{
"value": "Tax (8.25%)",
"styles": {
"is_bold": true,
},
},
{
"value": null,
}
],
[
{
"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": 9,
"col": 3,
"expression": "=SUM(D5:D8)",
},
{
"row": 10,
"col": 3,
"expression": "=D10*0.0825",
},
{
"row": 11,
"col": 3,
"expression": "=D10+D11",
}
],
"merged_cells": [
{
"start_row": 0,
"start_col": 0,
"end_row": 0,
"end_col": 3,
},
{
"start_row": 1,
"start_col": 0,
"end_row": 1,
"end_col": 3,
},
{
"start_row": 2,
"start_col": 0,
"end_row": 2,
"end_col": 3,
}
]
}
]
}'Response
{
"success": true,
"data": {
"buffer": "UEsDBBQAAAAIAA...",
"mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
}
}Request
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: "#2B579A",
font_color: "#FFFFFF",
},
body: {
font_family: "Helvetica",
font_size_in_pt: 11,
font_color: "#333333",
},
},
sheets: [
{
name: "Invoice #2026-0187",
columns: [
{
name: "Description",
width: 35,
},
{
name: "Quantity",
width: 12,
},
{
name: "Unit Price",
width: 15,
},
{
name: "Amount",
width: 15,
},
],
rows: [
[
{
value: "Acme Consulting LLC — Invoice #2026-0187",
styles: {
is_bold: true,
font_size_in_pt: 14,
},
from_col: 0,
to_col: 3,
},
],
[
{
value: "Bill To: Northwind Industries, 1200 Industrial Blvd, Denver, CO 80202",
from_col: 0,
to_col: 3,
},
],
[
{
value: "Date: March 21, 2026 | Due: April 20, 2026",
from_col: 0,
to_col: 3,
},
],
[
{
value: "",
},
],
[
{
value: "Brand Strategy Workshop (2 days)",
},
{
value: 1,
format: "number",
},
{
value: 8500,
format: "currency",
},
{
value: 8500,
format: "currency",
},
],
[
{
value: "UI/UX Design Sprint (5 days)",
},
{
value: 1,
format: "number",
},
{
value: 15000,
format: "currency",
},
{
value: 15000,
format: "currency",
},
],
[
{
value: "Frontend Development (120 hrs)",
},
{
value: 120,
format: "number",
},
{
value: 175,
format: "currency",
},
{
value: 21000,
format: "currency",
},
],
[
{
value: "QA & User Acceptance Testing (40 hrs)",
},
{
value: 40,
format: "number",
},
{
value: 150,
format: "currency",
},
{
value: 6000,
format: "currency",
},
],
[
{
value: "",
},
],
[
{
value: "",
},
{
value: "",
},
{
value: "Subtotal",
styles: {
is_bold: true,
},
},
{
value: null,
},
],
[
{
value: "",
},
{
value: "",
},
{
value: "Tax (8.25%)",
styles: {
is_bold: true,
},
},
{
value: null,
},
],
[
{
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: 9,
col: 3,
expression: "=SUM(D5:D8)",
},
{
row: 10,
col: 3,
expression: "=D10*0.0825",
},
{
row: 11,
col: 3,
expression: "=D10+D11",
},
],
merged_cells: [
{
start_row: 0,
start_col: 0,
end_row: 0,
end_col: 3,
},
{
start_row: 1,
start_col: 0,
end_row: 1,
end_col: 3,
},
{
start_row: 2,
start_col: 0,
end_row: 2,
end_col: 3,
},
],
}
],
});Response
{
"success": true,
"data": {
"buffer": "UEsDBBQAAAAIAA...",
"mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
}
}Request
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": "#2B579A",
"font_color": "#FFFFFF",
},
"body": {
"font_family": "Helvetica",
"font_size_in_pt": 11,
"font_color": "#333333",
},
},
sheets=[
{
"name": "Invoice #2026-0187",
"columns": [
{
"name": "Description",
"width": 35,
},
{
"name": "Quantity",
"width": 12,
},
{
"name": "Unit Price",
"width": 15,
},
{
"name": "Amount",
"width": 15,
},
],
"rows": [
[
{
"value": "Acme Consulting LLC — Invoice #2026-0187",
"styles": {
"is_bold": True,
"font_size_in_pt": 14,
},
"from_col": 0,
"to_col": 3,
},
],
[
{
"value": "Bill To: Northwind Industries, 1200 Industrial Blvd, Denver, CO 80202",
"from_col": 0,
"to_col": 3,
},
],
[
{
"value": "Date: March 21, 2026 | Due: April 20, 2026",
"from_col": 0,
"to_col": 3,
},
],
[
{
"value": "",
},
],
[
{
"value": "Brand Strategy Workshop (2 days)",
},
{
"value": 1,
"format": "number",
},
{
"value": 8500,
"format": "currency",
},
{
"value": 8500,
"format": "currency",
},
],
[
{
"value": "UI/UX Design Sprint (5 days)",
},
{
"value": 1,
"format": "number",
},
{
"value": 15000,
"format": "currency",
},
{
"value": 15000,
"format": "currency",
},
],
[
{
"value": "Frontend Development (120 hrs)",
},
{
"value": 120,
"format": "number",
},
{
"value": 175,
"format": "currency",
},
{
"value": 21000,
"format": "currency",
},
],
[
{
"value": "QA & User Acceptance Testing (40 hrs)",
},
{
"value": 40,
"format": "number",
},
{
"value": 150,
"format": "currency",
},
{
"value": 6000,
"format": "currency",
},
],
[
{
"value": "",
},
],
[
{
"value": "",
},
{
"value": "",
},
{
"value": "Subtotal",
"styles": {
"is_bold": True,
},
},
{
"value": None,
},
],
[
{
"value": "",
},
{
"value": "",
},
{
"value": "Tax (8.25%)",
"styles": {
"is_bold": True,
},
},
{
"value": None,
},
],
[
{
"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": 9,
"col": 3,
"expression": "=SUM(D5:D8)",
},
{
"row": 10,
"col": 3,
"expression": "=D10*0.0825",
},
{
"row": 11,
"col": 3,
"expression": "=D10+D11",
},
],
"merged_cells": [
{
"start_row": 0,
"start_col": 0,
"end_row": 0,
"end_col": 3,
},
{
"start_row": 1,
"start_col": 0,
"end_row": 1,
"end_col": 3,
},
{
"start_row": 2,
"start_col": 0,
"end_row": 2,
"end_col": 3,
},
],
}
],
)Response
{
"success": true,
"data": {
"buffer": "UEsDBBQAAAAIAA...",
"mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
}
}Request
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: "#2B579A",
FontColor: "#FFFFFF",
},
Body: &il.CellStyle{
FontFamily: "Helvetica",
FontSizeInPt: 11,
FontColor: "#333333",
},
},
Sheets: []il.Sheet{
{
Name: "Invoice #2026-0187",
Columns: []il.SheetColumn{
{
Name: "Description",
Width: 35,
},
{
Name: "Quantity",
Width: 12,
},
{
Name: "Unit Price",
Width: 15,
},
{
Name: "Amount",
Width: 15,
},
},
Rows: []il.SheetRow{
{
{
Value: "Acme Consulting LLC — Invoice #2026-0187",
Styles: &il.CellStyle{
IsBold: true,
FontSizeInPt: 14,
},
FromCol: intPtr(0),
ToCol: intPtr(3),
},
},
{
{
Value: "Bill To: Northwind Industries, 1200 Industrial Blvd, Denver, CO 80202",
FromCol: intPtr(0),
ToCol: intPtr(3),
},
},
{
{
Value: "Date: March 21, 2026 | Due: April 20, 2026",
FromCol: intPtr(0),
ToCol: intPtr(3),
},
},
{
{
Value: "",
},
},
{
{
Value: "Brand Strategy Workshop (2 days)",
},
{
Value: 1,
Format: "number",
},
{
Value: 8500,
Format: "currency",
},
{
Value: 8500,
Format: "currency",
},
},
{
{
Value: "UI/UX Design Sprint (5 days)",
},
{
Value: 1,
Format: "number",
},
{
Value: 15000,
Format: "currency",
},
{
Value: 15000,
Format: "currency",
},
},
{
{
Value: "Frontend Development (120 hrs)",
},
{
Value: 120,
Format: "number",
},
{
Value: 175,
Format: "currency",
},
{
Value: 21000,
Format: "currency",
},
},
{
{
Value: "QA & User Acceptance Testing (40 hrs)",
},
{
Value: 40,
Format: "number",
},
{
Value: 150,
Format: "currency",
},
{
Value: 6000,
Format: "currency",
},
},
{
{
Value: "",
},
},
{
{
Value: "",
},
{
Value: "",
},
{
Value: "Subtotal",
Styles: &il.CellStyle{
IsBold: true,
},
},
{
Value: nil,
},
},
{
{
Value: "",
},
{
Value: "",
},
{
Value: "Tax (8.25%)",
Styles: &il.CellStyle{
IsBold: true,
},
},
{
Value: nil,
},
},
{
{
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: 9,
Col: 3,
Expression: "=SUM(D5:D8)",
},
{
Row: 10,
Col: 3,
Expression: "=D10*0.0825",
},
{
Row: 11,
Col: 3,
Expression: "=D10+D11",
},
},
MergedCells: []il.MergedCell{
{
StartRow: 0,
StartCol: 0,
EndRow: 0,
EndCol: 3,
},
{
StartRow: 1,
StartCol: 0,
EndRow: 1,
EndCol: 3,
},
{
StartRow: 2,
StartCol: 0,
EndRow: 2,
EndCol: 3,
},
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}Response
{
"success": true,
"data": {
"buffer": "UEsDBBQAAAAIAA...",
"mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
}
}