Request
curl -X POST https://api.iterationlayer.com/image-generation/v1/render \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"dimensions": {
"width_in_px": 900,
"height_in_px": 400,
},
"layers": [
{
"index": 0,
"type": "solid-color",
"hex_color": "#1E1B4B"
},
{
"index": 1,
"type": "gradient",
"gradient_type": "linear",
"angle_in_degrees": 90.0,
"colors": [
{
"hex_color": "#7C3AED",
"position": 0.0,
},
{
"hex_color": "#EC4899",
"position": 100.0,
}
],
"position": {
"x_in_px": 0.0,
"y_in_px": 0.0,
},
"dimensions": {
"width_in_px": 900,
"height_in_px": 8,
}
},
{
"index": 2,
"type": "text",
"text": "React Summit 2026",
"font_name": "Inter",
"font_size_in_px": 36,
"text_color": "#FFFFFF",
"font_weight": "bold",
"position": {
"x_in_px": 40.0,
"y_in_px": 40.0,
},
"dimensions": {
"width_in_px": 560,
"height_in_px": 50,
}
},
{
"index": 3,
"type": "text",
"text": "June 15, 2026 — CityCube, Berlin",
"font_name": "Inter",
"font_size_in_px": 18,
"text_color": "#A5B4FC",
"position": {
"x_in_px": 40.0,
"y_in_px": 110.0,
},
"dimensions": {
"width_in_px": 560,
"height_in_px": 30,
}
},
{
"index": 4,
"type": "text",
"text": "Section B · Row 12 · Seat 7",
"font_name": "Inter",
"font_size_in_px": 22,
"text_color": "#E0E7FF",
"font_weight": "bold",
"position": {
"x_in_px": 40.0,
"y_in_px": 180.0,
},
"dimensions": {
"width_in_px": 560,
"height_in_px": 40,
}
},
{
"index": 5,
"type": "qr-code",
"value": "TKT-2026-RS-04821",
"position": {
"x_in_px": 660.0,
"y_in_px": 60.0,
},
"dimensions": {
"width_in_px": 180,
"height_in_px": 180,
},
"foreground_hex_color": "#FFFFFF",
"background_hex_color": "#1E1B4B"
},
{
"index": 6,
"type": "text",
"text": "Presented by React Summit Europe GmbH",
"font_name": "Inter",
"font_size_in_px": 14,
"text_color": "#6366F1",
"position": {
"x_in_px": 40.0,
"y_in_px": 340.0,
},
"dimensions": {
"width_in_px": 400,
"height_in_px": 30,
}
}
],
"output_format": "png"
}'Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}Request
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.generateImage({
dimensions: {
width_in_px: 900,
height_in_px: 400,
},
output_format: "png",
layers: [
{
index: 0,
type: "solid-color",
hex_color: "#1E1B4B",
},
{
index: 1,
type: "gradient",
gradient_type: "linear",
angle_in_degrees: 90.0,
colors: [
{
hex_color: "#7C3AED",
position: 0.0,
},
{
hex_color: "#EC4899",
position: 100.0,
},
],
position: {
x_in_px: 0,
y_in_px: 0,
},
dimensions: {
width_in_px: 900,
height_in_px: 8,
},
},
{
index: 2,
type: "text",
text: "React Summit 2026",
font_name: "Inter",
font_size_in_px: 36,
text_color: "#FFFFFF",
font_weight: "bold",
position: {
x_in_px: 40,
y_in_px: 40,
},
dimensions: {
width_in_px: 560,
height_in_px: 50,
},
},
{
index: 3,
type: "text",
text: "June 15, 2026 — CityCube, Berlin",
font_name: "Inter",
font_size_in_px: 18,
text_color: "#A5B4FC",
position: {
x_in_px: 40,
y_in_px: 110,
},
dimensions: {
width_in_px: 560,
height_in_px: 30,
},
},
{
index: 4,
type: "text",
text: "Section B · Row 12 · Seat 7",
font_name: "Inter",
font_size_in_px: 22,
text_color: "#E0E7FF",
font_weight: "bold",
position: {
x_in_px: 40,
y_in_px: 180,
},
dimensions: {
width_in_px: 560,
height_in_px: 40,
},
},
{
index: 5,
type: "qr-code",
value: "TKT-2026-RS-04821",
position: {
x_in_px: 660,
y_in_px: 60,
},
dimensions: {
width_in_px: 180,
height_in_px: 180,
},
foreground_hex_color: "#FFFFFF",
background_hex_color: "#1E1B4B",
},
{
index: 6,
type: "text",
text: "Presented by React Summit Europe GmbH",
font_name: "Inter",
font_size_in_px: 14,
text_color: "#6366F1",
position: {
x_in_px: 40,
y_in_px: 340,
},
dimensions: {
width_in_px: 400,
height_in_px: 30,
},
},
],
});Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}Request
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.generate_image(
dimensions={
"width_in_px": 900,
"height_in_px": 400,
},
output_format="png",
layers=[
{
"index": 0,
"type": "solid-color",
"hex_color": "#1E1B4B",
},
{
"index": 1,
"type": "gradient",
"gradient_type": "linear",
"angle_in_degrees": 90.0,
"colors": [
{
"hex_color": "#7C3AED",
"position": 0.0,
},
{
"hex_color": "#EC4899",
"position": 100.0,
},
],
"position": {
"x_in_px": 0,
"y_in_px": 0,
},
"dimensions": {
"width_in_px": 900,
"height_in_px": 8,
},
},
{
"index": 2,
"type": "text",
"text": "React Summit 2026",
"font_name": "Inter",
"font_size_in_px": 36,
"text_color": "#FFFFFF",
"font_weight": "bold",
"position": {
"x_in_px": 40,
"y_in_px": 40,
},
"dimensions": {
"width_in_px": 560,
"height_in_px": 50,
},
},
{
"index": 3,
"type": "text",
"text": "June 15, 2026 — CityCube, Berlin",
"font_name": "Inter",
"font_size_in_px": 18,
"text_color": "#A5B4FC",
"position": {
"x_in_px": 40,
"y_in_px": 110,
},
"dimensions": {
"width_in_px": 560,
"height_in_px": 30,
},
},
{
"index": 4,
"type": "text",
"text": "Section B · Row 12 · Seat 7",
"font_name": "Inter",
"font_size_in_px": 22,
"text_color": "#E0E7FF",
"font_weight": "bold",
"position": {
"x_in_px": 40,
"y_in_px": 180,
},
"dimensions": {
"width_in_px": 560,
"height_in_px": 40,
},
},
{
"index": 5,
"type": "qr-code",
"value": "TKT-2026-RS-04821",
"position": {
"x_in_px": 660,
"y_in_px": 60,
},
"dimensions": {
"width_in_px": 180,
"height_in_px": 180,
},
"foreground_hex_color": "#FFFFFF",
"background_hex_color": "#1E1B4B",
},
{
"index": 6,
"type": "text",
"text": "Presented by React Summit Europe GmbH",
"font_name": "Inter",
"font_size_in_px": 14,
"text_color": "#6366F1",
"position": {
"x_in_px": 40,
"y_in_px": 340,
},
"dimensions": {
"width_in_px": 400,
"height_in_px": 30,
},
},
],
)
Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}Request
package main
import il "github.com/iterationlayer/sdk-go"
func main() {
client := il.NewClient("YOUR_API_KEY")
result, err := client.GenerateImage(il.GenerateImageRequest{
Dimensions: il.Dimensions{
WidthInPx: 900,
HeightInPx: 400,
},
OutputFormat: "png",
Layers: []il.Layer{
il.NewSolidColorBackgroundLayer(0, "#1E1B4B"),
il.NewGradientLayer(1, "linear", []il.GradientColor{
{
HexColor: "#7C3AED",
Position: 0.0,
},
{
HexColor: "#EC4899",
Position: 100.0,
},
}, il.Position{
XInPx: 0,
YInPx: 0,
}, il.Dimensions{
WidthInPx: 900,
HeightInPx: 8,
}),
il.NewTextLayer(2, "React Summit 2026", "Inter", 36, "#FFFFFF",
il.Position{
XInPx: 40,
YInPx: 40,
},
il.Dimensions{
WidthInPx: 560,
HeightInPx: 50,
}),
il.NewTextLayer(3, "June 15, 2026 — CityCube, Berlin", "Inter", 18, "#A5B4FC",
il.Position{
XInPx: 40,
YInPx: 110,
},
il.Dimensions{
WidthInPx: 560,
HeightInPx: 30,
}),
il.NewTextLayer(4, "Section B · Row 12 · Seat 7", "Inter", 22, "#E0E7FF",
il.Position{
XInPx: 40,
YInPx: 180,
},
il.Dimensions{
WidthInPx: 560,
HeightInPx: 40,
}),
il.NewQRCodeLayer(5, "TKT-2026-RS-04821", "#FFFFFF", "#1E1B4B",
il.Position{
XInPx: 660,
YInPx: 60,
},
il.Dimensions{
WidthInPx: 180,
HeightInPx: 180,
}),
il.NewTextLayer(6, "Presented by React Summit Europe GmbH", "Inter", 14, "#6366F1",
il.Position{
XInPx: 40,
YInPx: 340,
},
il.Dimensions{
WidthInPx: 400,
HeightInPx: 30,
}),
},
})
if err != nil {
panic(err)
}
}Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}Template
{
"name": "Generate Event Ticket",
"nodes": [
{
"parameters": {
"content": "## Generate Event Ticket\n\nEvent platforms and ticketing services use this recipe to generate branded, scannable tickets at scale. Define a dark canvas with a gradient accent bar, render the event name, date, venue, and seat details alongside a QR code \u2014 ready for mobile wallets, email delivery, or print-at-home.\n\n**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_in_px": 280,
"width_in_px": 500,
"color": 2
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
200,
40
],
"id": "22f3834a-43ba-4002-8404-2918fb53e4b7",
"name": "Overview"
},
{
"parameters": {
"content": "### Step 1: Generate Image\nResource: **Image Generation**\n\nConfigure the Image Generation parameters below, then connect your credentials.",
"height_in_px": 160,
"width_in_px": 300,
"color": 6
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
475,
100
],
"id": "77469b6c-df54-4b25-81e7-c1864b91f48b",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "d4e5f6a7-4444-4000-8000-000000000001",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "imageGeneration",
"widthInPx": 900,
"heightInPx": 400,
"outputFormat": "png",
"layersJson": "[{\"index\":0,\"type\":\"solid-color\",\"hex_color\":\"#1E1B4B\"},{\"index\":1,\"type\":\"gradient\",\"gradient_type\":\"linear\",\"angle_in_degrees\":90.0,\"colors\":[{\"hex_color\":\"#7C3AED\",\"position\":0.0},{\"hex_color\":\"#EC4899\",\"position\":100.0}],\"position\":{\"x\":0.0,\"y\":0.0},\"dimensions\":{\"width\":900,\"height\":8}},{\"index\":2,\"type\":\"text\",\"text\":\"React Summit 2026\",\"font_name\":\"Inter\",\"font_size_in_px\":36,\"text_color\":\"#FFFFFF\",\"font_weight\":\"bold\",\"position\":{\"x\":40.0,\"y\":40.0},\"dimensions\":{\"width\":560,\"height\":50}},{\"index\":3,\"type\":\"text\",\"text\":\"June 15, 2026 \\u2014 CityCube, Berlin\",\"font_name\":\"Inter\",\"font_size_in_px\":18,\"text_color\":\"#A5B4FC\",\"position\":{\"x\":40.0,\"y\":110.0},\"dimensions\":{\"width\":560,\"height\":30}},{\"index\":4,\"type\":\"text\",\"text\":\"Section B \\u00b7 Row 12 \\u00b7 Seat 7\",\"font_name\":\"Inter\",\"font_size_in_px\":22,\"text_color\":\"#E0E7FF\",\"font_weight\":\"bold\",\"position\":{\"x\":40.0,\"y\":180.0},\"dimensions\":{\"width\":560,\"height\":40}},{\"index\":5,\"type\":\"qr-code\",\"value\":\"TKT-2026-RS-04821\",\"position\":{\"x\":660.0,\"y\":60.0},\"dimensions\":{\"width\":180,\"height\":180},\"foreground_hex_color\":\"#FFFFFF\",\"background_hex_color\":\"#1E1B4B\"},{\"index\":6,\"type\":\"text\",\"text\":\"Presented by React Summit Europe GmbH\",\"font_name\":\"Inter\",\"font_size_in_px\":14,\"text_color\":\"#6366F1\",\"position\":{\"x\":40.0,\"y\":340.0},\"dimensions\":{\"width\":400,\"height\":30}}]",
"fontsJson": "[]"
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "d4e5f6a7-4444-4000-8000-000000000002",
"name": "Generate Image",
"credentials": {
"iterationLayerApi": {
"id": "1",
"name": "Iteration Layer API"
}
}
}
],
"connections": {
"Manual Trigger": {
"main": [
[
{
"node": "Generate Image",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}Prompt
Generate an event ticket image at 1200x500 pixels. Use the generate_image tool with these layers:
1. Background: solid-color layer with dark color
2. Accent bar: gradient layer as a decorative stripe
3. Event name: text layer with [event name] in large bold text
4. Date and time: text layer with [event date and time]
5. Venue: text layer with [venue name and address]
6. Seat info: text layer with [section, row, seat]
7. QR code: barcode layer with [ticket ID] in QR format for scanning