iterationlayer Generate Email Banner
Marketing teams and email platforms use this recipe to generate a personalized banner image for an email campaign. Define a canvas with your brand colors, add a logo and headline text — ready for embedding in an HTML email.
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": 600,
"height_in_px": 200
},
"layers": [
{
"index": 0,
"type": "solid-color",
"hex_color": "#1a1a2e"
},
{
"index": 1,
"type": "image",
"file": {
"type": "base64",
"name": "logo.png",
"base64": "<base64-encoded-logo>"
},
"position": {
"x_in_px": 20.0,
"y_in_px": 50.0
}
},
{
"index": 2,
"type": "text",
"text": "Summer Sale — 30% Off",
"font_name": "Montserrat",
"font_size_in_px": 36,
"text_color": "#FFFFFF",
"position": {
"x_in_px": 150.0,
"y_in_px": 40.0
},
"dimensions": {
"width_in_px": 420,
"height_in_px": 50
}
},
{
"index": 3,
"type": "text",
"text": "Shop now at example.com",
"font_name": "Inter",
"font_size_in_px": 18,
"text_color": "#E94560",
"position": {
"x_in_px": 150.0,
"y_in_px": 110.0
},
"dimensions": {
"width_in_px": 420,
"height_in_px": 40
}
}
],
"output_format": "png"
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.generateImage({
dimensions: {
width_in_px: 600,
height_in_px: 200,
},
layers: [
{
index: 0,
type: "solid-color",
hex_color: "#1a1a2e",
},
{
index: 1,
type: "image",
file: {
type: "base64",
name: "logo.png",
base64: "<base64-encoded-logo>",
},
position: {
x_in_px: 20,
y_in_px: 50,
},
},
{
index: 2,
type: "text",
text: "Summer Sale — 30% Off",
font_name: "Montserrat",
font_size_in_px: 36,
text_color: "#FFFFFF",
position: {
x_in_px: 150,
y_in_px: 40,
},
dimensions: {
width_in_px: 420,
height_in_px: 50,
},
},
{
index: 3,
type: "text",
text: "Shop now at example.com",
font_name: "Inter",
font_size_in_px: 18,
text_color: "#E94560",
position: {
x_in_px: 150,
y_in_px: 110,
},
dimensions: {
width_in_px: 420,
height_in_px: 40,
},
},
],
output_format: "png",
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.generate_image(
dimensions={
"width_in_px": 600,
"height_in_px": 200,
},
layers=[
{
"index": 0,
"type": "solid-color",
"hex_color": "#1a1a2e",
},
{
"index": 1,
"type": "image",
"file": {
"type": "base64",
"name": "logo.png",
"base64": "<base64-encoded-logo>",
},
"position": {
"x_in_px": 20,
"y_in_px": 50,
},
},
{
"index": 2,
"type": "text",
"text": "Summer Sale — 30% Off",
"font_name": "Montserrat",
"font_size_in_px": 36,
"text_color": "#FFFFFF",
"position": {
"x_in_px": 150,
"y_in_px": 40,
},
"dimensions": {
"width_in_px": 420,
"height_in_px": 50,
},
},
{
"index": 3,
"type": "text",
"text": "Shop now at example.com",
"font_name": "Inter",
"font_size_in_px": 18,
"text_color": "#E94560",
"position": {
"x_in_px": 150,
"y_in_px": 110,
},
"dimensions": {
"width_in_px": 420,
"height_in_px": 40,
},
},
],
output_format="png",
)
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: 600,
HeightInPx: 200,
},
OutputFormat: "png",
Layers: []il.Layer{
il.NewSolidColorBackgroundLayer(0, "#1a1a2e"),
il.NewStaticImageLayer(1, il.FileInput{Buffer: "<base64-encoded-logo>"},
il.Position{
XInPx: 20,
YInPx: 50,
},
il.Dimensions{}),
il.NewTextLayer(2, "Summer Sale — 30% Off", "Montserrat", 36, "#FFFFFF",
il.Position{
XInPx: 150,
YInPx: 40,
},
il.Dimensions{
WidthInPx: 420,
HeightInPx: 50,
}),
il.NewTextLayer(3, "Shop now at example.com", "Inter", 18, "#E94560",
il.Position{
XInPx: 150,
YInPx: 110,
},
il.Dimensions{
WidthInPx: 420,
HeightInPx: 40,
}),
},
})
if err != nil {
panic(err)
}
}
{
"name": "Generate Email Banner",
"nodes": [
{
"parameters": {
"content": "## Generate Email Banner\n\nMarketing teams and email platforms use this recipe to generate a personalized banner image for an email campaign. Define a canvas with your brand colors, add a logo and headline text \u2014 ready for embedding in an HTML email.\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": "2b832304-5d48-4e5c-9e83-07b063406a5b",
"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": "6f305649-000c-4ba4-9b19-147a59361d0f",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "c3d4e5f6-3333-4000-8000-000000000001",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "imageGeneration",
"widthInPx": 600,
"heightInPx": 200,
"outputFormat": "png",
"layersJson": "[{\"index\":0,\"type\":\"solid-color\",\"hex_color\":\"#1a1a2e\"},{\"index\":1,\"type\":\"image\",\"file\":{\"type\":\"base64\",\"name\":\"logo.png\",\"base64\":\"<base64-encoded-logo>\"},\"position\":{\"x\":20.0,\"y\":50.0}},{\"index\":2,\"type\":\"text\",\"text\":\"Summer Sale \\u2014 30% Off\",\"font_name\":\"Montserrat\",\"font_size_in_px\":36,\"text_color\":\"#FFFFFF\",\"position\":{\"x\":150.0,\"y\":40.0},\"dimensions\":{\"width\":420,\"height\":50}},{\"index\":3,\"type\":\"text\",\"text\":\"Shop now at example.com\",\"font_name\":\"Inter\",\"font_size_in_px\":18,\"text_color\":\"#E94560\",\"position\":{\"x\":150.0,\"y\":110.0},\"dimensions\":{\"width\":420,\"height\":40}}]",
"fontsJson": "[]"
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "c3d4e5f6-3333-4000-8000-000000000002",
"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 a personalized email banner image at 600x200 pixels. Use the generate_image tool with these layers:
1. Background: gradient layer with [brand colors]
2. Logo: image layer with [logo URL] positioned left
3. Headline: text layer with [campaign headline] in bold white text
4. Subtext: text layer with [supporting text] in smaller font
Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}