iterationlayer Generate A+ Content Banner
Self-publishing authors and book marketing teams use this recipe to generate Amazon A+ Content banners at the standard 970x600 module size. Compose a book cover image, title text, series name, genre label, and availability badge — ready to upload to Amazon Author Central.
APIs Used
Image Generation (1 credits/request)
Prerequisites
You need an Iteration Layer API key. Get one at platform.iterationlayer.com during the 7-day trial.
For full integration guidance (SDKs, auth, MCP, error handling), see the Iteration Layer Integration Guide.
Implementation
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": 970,
"height_in_px": 600
},
"output_format": "png",
"layers": [
{
"index": 0,
"type": "gradient",
"gradient_type": "linear",
"angle_in_degrees": 135.0,
"colors": [
{
"hex_color": "#1B2838",
"position": 0.0
},
{
"hex_color": "#2D3A4A",
"position": 100.0
}
],
"position": {
"x_in_px": 0.0,
"y_in_px": 0.0
},
"dimensions": {
"width_in_px": 970,
"height_in_px": 600
}
},
{
"index": 1,
"type": "image",
"buffer": "<base64-encoded-book-cover>",
"position": {
"x_in_px": 60.0,
"y_in_px": 60.0
},
"dimensions": {
"width_in_px": 320,
"height_in_px": 480
}
},
{
"index": 2,
"type": "text",
"text": "THE ASHWORTH CHRONICLES",
"font_name": "Montserrat",
"font_size_in_px": 14,
"text_color": "#94A3B8",
"font_weight": "bold",
"position": {
"x_in_px": 440.0,
"y_in_px": 80.0
},
"dimensions": {
"width_in_px": 480,
"height_in_px": 24
}
},
{
"index": 3,
"type": "text",
"text": "The Long Silence",
"font_name": "PlayfairDisplay",
"font_size_in_px": 44,
"text_color": "#FFFFFF",
"font_weight": "bold",
"position": {
"x_in_px": 440.0,
"y_in_px": 120.0
},
"dimensions": {
"width_in_px": 480,
"height_in_px": 110
}
},
{
"index": 4,
"type": "text",
"text": "Elizabeth Ashworth",
"font_name": "Lora",
"font_size_in_px": 20,
"text_color": "#CBD5E1",
"position": {
"x_in_px": 440.0,
"y_in_px": 250.0
},
"dimensions": {
"width_in_px": 480,
"height_in_px": 32
}
},
{
"index": 5,
"type": "solid-color",
"hex_color": "#6C63FF",
"position": {
"x_in_px": 440.0,
"y_in_px": 320.0
},
"dimensions": {
"width_in_px": 120,
"height_in_px": 32
}
},
{
"index": 6,
"type": "text",
"text": "THRILLER",
"font_name": "Montserrat",
"font_size_in_px": 12,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"vertical_align": "center",
"position": {
"x_in_px": 440.0,
"y_in_px": 320.0
},
"dimensions": {
"width_in_px": 120,
"height_in_px": 32
}
},
{
"index": 7,
"type": "solid-color",
"hex_color": "#22C55E",
"position": {
"x_in_px": 440.0,
"y_in_px": 480.0
},
"dimensions": {
"width_in_px": 180,
"height_in_px": 40
}
},
{
"index": 8,
"type": "text",
"text": "Available Now",
"font_name": "Montserrat",
"font_size_in_px": 14,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"vertical_align": "center",
"position": {
"x_in_px": 440.0,
"y_in_px": 480.0
},
"dimensions": {
"width_in_px": 180,
"height_in_px": 40
}
}
]
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.generateImage({
dimensions: {
width_in_px: 970,
height_in_px: 600,
},
output_format: "png",
layers: [
{
index: 0,
type: "gradient",
gradient_type: "linear",
angle_in_degrees: 135.0,
colors: [
{
hex_color: "#1B2838",
position: 0.0,
},
{
hex_color: "#2D3A4A",
position: 100.0,
},
],
position: {
x_in_px: 0.0,
y_in_px: 0.0,
},
dimensions: {
width_in_px: 970,
height_in_px: 600,
},
},
{
index: 1,
type: "image",
buffer: bookCoverBase64,
position: {
x_in_px: 60.0,
y_in_px: 60.0,
},
dimensions: {
width_in_px: 320,
height_in_px: 480,
},
},
{
index: 2,
type: "text",
text: "THE ASHWORTH CHRONICLES",
font_name: "Montserrat",
font_size_in_px: 14,
text_color: "#94A3B8",
font_weight: "bold",
position: {
x_in_px: 440.0,
y_in_px: 80.0,
},
dimensions: {
width_in_px: 480,
height_in_px: 24,
},
},
{
index: 3,
type: "text",
text: "The Long Silence",
font_name: "PlayfairDisplay",
font_size_in_px: 44,
text_color: "#FFFFFF",
font_weight: "bold",
position: {
x_in_px: 440.0,
y_in_px: 120.0,
},
dimensions: {
width_in_px: 480,
height_in_px: 110,
},
},
{
index: 4,
type: "text",
text: "Elizabeth Ashworth",
font_name: "Lora",
font_size_in_px: 20,
text_color: "#CBD5E1",
position: {
x_in_px: 440.0,
y_in_px: 250.0,
},
dimensions: {
width_in_px: 480,
height_in_px: 32,
},
},
{
index: 5,
type: "solid-color",
hex_color: "#6C63FF",
position: {
x_in_px: 440.0,
y_in_px: 320.0,
},
dimensions: {
width_in_px: 120,
height_in_px: 32,
},
},
{
index: 6,
type: "text",
text: "THRILLER",
font_name: "Montserrat",
font_size_in_px: 12,
text_color: "#FFFFFF",
font_weight: "bold",
text_align: "center",
vertical_align: "center",
position: {
x_in_px: 440.0,
y_in_px: 320.0,
},
dimensions: {
width_in_px: 120,
height_in_px: 32,
},
},
{
index: 7,
type: "solid-color",
hex_color: "#22C55E",
position: {
x_in_px: 440.0,
y_in_px: 480.0,
},
dimensions: {
width_in_px: 180,
height_in_px: 40,
},
},
{
index: 8,
type: "text",
text: "Available Now",
font_name: "Montserrat",
font_size_in_px: 14,
text_color: "#FFFFFF",
font_weight: "bold",
text_align: "center",
vertical_align: "center",
position: {
x_in_px: 440.0,
y_in_px: 480.0,
},
dimensions: {
width_in_px: 180,
height_in_px: 40,
},
},
],
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.generate_image(
dimensions={
"width_in_px": 970,
"height_in_px": 600,
},
output_format="png",
layers=[
{
"index": 0,
"type": "gradient",
"gradient_type": "linear",
"angle_in_degrees": 135.0,
"colors": [
{
"hex_color": "#1B2838",
"position": 0.0,
},
{
"hex_color": "#2D3A4A",
"position": 100.0,
},
],
"position": {
"x_in_px": 0.0,
"y_in_px": 0.0,
},
"dimensions": {
"width_in_px": 970,
"height_in_px": 600,
},
},
{
"index": 1,
"type": "image",
"buffer": book_cover_base64,
"position": {
"x_in_px": 60.0,
"y_in_px": 60.0,
},
"dimensions": {
"width_in_px": 320,
"height_in_px": 480,
},
},
{
"index": 2,
"type": "text",
"text": "THE ASHWORTH CHRONICLES",
"font_name": "Montserrat",
"font_size_in_px": 14,
"text_color": "#94A3B8",
"font_weight": "bold",
"position": {
"x_in_px": 440.0,
"y_in_px": 80.0,
},
"dimensions": {
"width_in_px": 480,
"height_in_px": 24,
},
},
{
"index": 3,
"type": "text",
"text": "The Long Silence",
"font_name": "PlayfairDisplay",
"font_size_in_px": 44,
"text_color": "#FFFFFF",
"font_weight": "bold",
"position": {
"x_in_px": 440.0,
"y_in_px": 120.0,
},
"dimensions": {
"width_in_px": 480,
"height_in_px": 110,
},
},
{
"index": 4,
"type": "text",
"text": "Elizabeth Ashworth",
"font_name": "Lora",
"font_size_in_px": 20,
"text_color": "#CBD5E1",
"position": {
"x_in_px": 440.0,
"y_in_px": 250.0,
},
"dimensions": {
"width_in_px": 480,
"height_in_px": 32,
},
},
{
"index": 5,
"type": "solid-color",
"hex_color": "#6C63FF",
"position": {
"x_in_px": 440.0,
"y_in_px": 320.0,
},
"dimensions": {
"width_in_px": 120,
"height_in_px": 32,
},
},
{
"index": 6,
"type": "text",
"text": "THRILLER",
"font_name": "Montserrat",
"font_size_in_px": 12,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"vertical_align": "center",
"position": {
"x_in_px": 440.0,
"y_in_px": 320.0,
},
"dimensions": {
"width_in_px": 120,
"height_in_px": 32,
},
},
{
"index": 7,
"type": "solid-color",
"hex_color": "#22C55E",
"position": {
"x_in_px": 440.0,
"y_in_px": 480.0,
},
"dimensions": {
"width_in_px": 180,
"height_in_px": 40,
},
},
{
"index": 8,
"type": "text",
"text": "Available Now",
"font_name": "Montserrat",
"font_size_in_px": 14,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"vertical_align": "center",
"position": {
"x_in_px": 440.0,
"y_in_px": 480.0,
},
"dimensions": {
"width_in_px": 180,
"height_in_px": 40,
},
},
],
)
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: 970,
HeightInPx: 600,
},
OutputFormat: "png",
Layers: []il.Layer{
il.NewGradientLayer(0, "linear", []il.GradientColor{
{
HexColor: "#1B2838",
Position: 0.0,
},
{
HexColor: "#2D3A4A",
Position: 100.0,
},
}, il.Position{
XInPx: 0.0,
YInPx: 0.0,
}, il.Dimensions{
WidthInPx: 970,
HeightInPx: 600,
}),
il.NewStaticImageLayer(1, bookCoverBase64,
il.Position{
XInPx: 60.0,
YInPx: 60.0,
},
il.Dimensions{
WidthInPx: 320,
HeightInPx: 480,
}),
il.NewTextLayer(2, "THE ASHWORTH CHRONICLES", "Montserrat", 14, "#94A3B8",
il.Position{
XInPx: 440.0,
YInPx: 80.0,
},
il.Dimensions{
WidthInPx: 480,
HeightInPx: 24,
}),
il.NewTextLayer(3, "The Long Silence", "PlayfairDisplay", 44, "#FFFFFF",
il.Position{
XInPx: 440.0,
YInPx: 120.0,
},
il.Dimensions{
WidthInPx: 480,
HeightInPx: 110,
}),
il.NewTextLayer(4, "Elizabeth Ashworth", "Lora", 20, "#CBD5E1",
il.Position{
XInPx: 440.0,
YInPx: 250.0,
},
il.Dimensions{
WidthInPx: 480,
HeightInPx: 32,
}),
il.NewRectangleLayer(5, "#6C63FF",
il.Position{
XInPx: 440.0,
YInPx: 320.0,
},
il.Dimensions{
WidthInPx: 120,
HeightInPx: 32,
}),
il.NewTextLayer(6, "THRILLER", "Montserrat", 12, "#FFFFFF",
il.Position{
XInPx: 440.0,
YInPx: 320.0,
},
il.Dimensions{
WidthInPx: 120,
HeightInPx: 32,
}),
il.NewRectangleLayer(7, "#22C55E",
il.Position{
XInPx: 440.0,
YInPx: 480.0,
},
il.Dimensions{
WidthInPx: 180,
HeightInPx: 40,
}),
il.NewTextLayer(8, "Available Now", "Montserrat", 14, "#FFFFFF",
il.Position{
XInPx: 440.0,
YInPx: 480.0,
},
il.Dimensions{
WidthInPx: 180,
HeightInPx: 40,
}),
},
})
if err != nil {
panic(err)
}
}
{
"name": "Generate A+ Content Banner",
"nodes": [
{
"parameters": {
"content": "## Generate A+ Content Banner\n\nSelf-publishing authors and book marketing teams use this recipe to generate Amazon A+ Content banners at the standard 970x600 module size. Compose a book cover image, title text, series name, genre label, and availability badge \u2014 ready to upload to Amazon Author Central.\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": "559fde02-4e03-4197-a2af-a8ed47636035",
"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": "18e11dfd-dd4f-400c-983e-df6bf61e33c9",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "a1b2c3d4-1111-4000-8000-000000000001",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "imageGeneration",
"widthInPx": 970,
"heightInPx": 600,
"outputFormat": "png",
"layersJson": "[{\"index\":0,\"type\":\"gradient\",\"gradient_type\":\"linear\",\"angle_in_degrees\":135.0,\"colors\":[{\"hex_color\":\"#1B2838\",\"position\":0.0},{\"hex_color\":\"#2D3A4A\",\"position\":100.0}],\"position\":{\"x\":0.0,\"y\":0.0},\"dimensions\":{\"width\":970,\"height\":600}},{\"index\":1,\"type\":\"image\",\"buffer\":\"<base64-encoded-book-cover>\",\"position\":{\"x\":60.0,\"y\":60.0},\"dimensions\":{\"width\":320,\"height\":480}},{\"index\":2,\"type\":\"text\",\"text\":\"THE ASHWORTH CHRONICLES\",\"font_name\":\"Montserrat\",\"font_size_in_px\":14,\"text_color\":\"#94A3B8\",\"font_weight\":\"bold\",\"position\":{\"x\":440.0,\"y\":80.0},\"dimensions\":{\"width\":480,\"height\":24}},{\"index\":3,\"type\":\"text\",\"text\":\"The Long Silence\",\"font_name\":\"PlayfairDisplay\",\"font_size_in_px\":44,\"text_color\":\"#FFFFFF\",\"font_weight\":\"bold\",\"position\":{\"x\":440.0,\"y\":120.0},\"dimensions\":{\"width\":480,\"height\":110}},{\"index\":4,\"type\":\"text\",\"text\":\"Elizabeth Ashworth\",\"font_name\":\"Lora\",\"font_size_in_px\":20,\"text_color\":\"#CBD5E1\",\"position\":{\"x\":440.0,\"y\":250.0},\"dimensions\":{\"width\":480,\"height\":32}},{\"index\":5,\"type\":\"solid-color\",\"hex_color\":\"#6C63FF\",\"position\":{\"x\":440.0,\"y\":320.0},\"dimensions\":{\"width\":120,\"height\":32}},{\"index\":6,\"type\":\"text\",\"text\":\"THRILLER\",\"font_name\":\"Montserrat\",\"font_size_in_px\":12,\"text_color\":\"#FFFFFF\",\"font_weight\":\"bold\",\"text_align\":\"center\",\"vertical_align\":\"center\",\"position\":{\"x\":440.0,\"y\":320.0},\"dimensions\":{\"width\":120,\"height\":32}},{\"index\":7,\"type\":\"solid-color\",\"hex_color\":\"#22C55E\",\"position\":{\"x\":440.0,\"y\":480.0},\"dimensions\":{\"width\":180,\"height\":40}},{\"index\":8,\"type\":\"text\",\"text\":\"Available Now\",\"font_name\":\"Montserrat\",\"font_size_in_px\":14,\"text_color\":\"#FFFFFF\",\"font_weight\":\"bold\",\"text_align\":\"center\",\"vertical_align\":\"center\",\"position\":{\"x\":440.0,\"y\":480.0},\"dimensions\":{\"width\":180,\"height\":40}}]",
"fontsJson": "[]"
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "a1b2c3d4-1111-4000-8000-000000000002",
"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"
}
}
Generate an Amazon A+ Content banner at 970x600 pixels. Use the generate_image tool with these layers:
1. Background: gradient layer from [dark color] to [lighter color] at 135 degrees
2. Book cover: image layer with [cover image] positioned left
3. Series name: text layer with [series name] in small caps
4. Title: text layer with [book title] in large bold serif font
5. Author: text layer with [author name]
6. Genre badge: solid-color rectangle with [genre] text overlay
7. CTA button: solid-color rectangle with "Available Now" text overlay
Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}