Resize, sharpen, and compress an image to fit email platform size limits in a single pipeline.
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iterationlayer/skills4Updated Jun 9, 2026
FreePublished on GitHub
generate-social-media-book-promo
Generate a vertical story image for TikTok or Instagram book promotion with cover art, hook text, and author branding.
The English summary is being prepared. Showing the original description.
Run score Not tested
See how to installFiles included (1)
- SKILL.md20.6 KB
SKILL.md (original)
Review the instructions the agent will receive before you install.
Generate Social Media Book Promo
Authors and book marketing teams use this recipe to generate vertical story images for TikTok and Instagram. Compose a gradient background, book cover, hook text, and author branding at 1080x1920 — ready to post or schedule across social platforms.
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": 1080,
"height_in_px": 1920
},
"output_format": "png",
"layers": [
{
"index": 0,
"type": "gradient",
"gradient_type": "linear",
"angle_in_degrees": 180.0,
"colors": [
{
"hex_color": "#0F0A1A",
"position": 0.0
},
{
"hex_color": "#1B1464",
"position": 50.0
},
{
"hex_color": "#2D1B69",
"position": 100.0
}
],
"position": {
"x_in_px": 0.0,
"y_in_px": 0.0
},
"dimensions": {
"width_in_px": 1080,
"height_in_px": 1920
}
},
{
"index": 1,
"type": "text",
"text": "What if the person you trusted most\nwas the one keeping the secret?",
"font_name": "Lora",
"font_size_in_px": 36,
"text_color": "#E2E8F0",
"font_weight": "regular",
"font_style": "Italic",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 140.0
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 200
}
},
{
"index": 2,
"type": "image",
"buffer": "<base64-encoded-book-cover>",
"position": {
"x_in_px": 240.0,
"y_in_px": 420.0
},
"dimensions": {
"width_in_px": 600,
"height_in_px": 900
}
},
{
"index": 3,
"type": "text",
"text": "THE ASHWORTH CHRONICLES",
"font_name": "Montserrat",
"font_size_in_px": 16,
"text_color": "#6C63FF",
"font_weight": "bold",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 1400.0
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 28
}
},
{
"index": 4,
"type": "text",
"text": "The Long Silence",
"font_name": "PlayfairDisplay",
"font_size_in_px": 48,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 1450.0
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 70
}
},
{
"index": 5,
"type": "text",
"text": "by Elizabeth Ashworth",
"font_name": "Lora",
"font_size_in_px": 22,
"text_color": "#94A3B8",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 1540.0
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 36
}
},
{
"index": 6,
"type": "solid-color",
"hex_color": "#6C63FF",
"position": {
"x_in_px": 340.0,
"y_in_px": 1660.0
},
"dimensions": {
"width_in_px": 400,
"height_in_px": 56
}
},
{
"index": 7,
"type": "text",
"text": "Read the first chapter free",
"font_name": "Montserrat",
"font_size_in_px": 18,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"vertical_align": "center",
"position": {
"x_in_px": 340.0,
"y_in_px": 1660.0
},
"dimensions": {
"width_in_px": 400,
"height_in_px": 56
}
}
]
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.generateImage({
dimensions: {
width_in_px: 1080,
height_in_px: 1920,
},
output_format: "png",
layers: [
{
index: 0,
type: "gradient",
gradient_type: "linear",
angle_in_degrees: 180.0,
colors: [
{
hex_color: "#0F0A1A",
position: 0.0,
},
{
hex_color: "#1B1464",
position: 50.0,
},
{
hex_color: "#2D1B69",
position: 100.0,
},
],
position: {
x_in_px: 0.0,
y_in_px: 0.0,
},
dimensions: {
width_in_px: 1080,
height_in_px: 1920,
},
},
{
index: 1,
type: "text",
text: "What if the person you trusted most\nwas the one keeping the secret?",
font_name: "Lora",
font_size_in_px: 36,
text_color: "#E2E8F0",
font_weight: "regular",
font_style: "Italic",
text_align: "center",
position: {
x_in_px: 80.0,
y_in_px: 140.0,
},
dimensions: {
width_in_px: 920,
height_in_px: 200,
},
},
{
index: 2,
type: "image",
buffer: bookCoverBase64,
position: {
x_in_px: 240.0,
y_in_px: 420.0,
},
dimensions: {
width_in_px: 600,
height_in_px: 900,
},
},
{
index: 3,
type: "text",
text: "THE ASHWORTH CHRONICLES",
font_name: "Montserrat",
font_size_in_px: 16,
text_color: "#6C63FF",
font_weight: "bold",
text_align: "center",
position: {
x_in_px: 80.0,
y_in_px: 1400.0,
},
dimensions: {
width_in_px: 920,
height_in_px: 28,
},
},
{
index: 4,
type: "text",
text: "The Long Silence",
font_name: "PlayfairDisplay",
font_size_in_px: 48,
text_color: "#FFFFFF",
font_weight: "bold",
text_align: "center",
position: {
x_in_px: 80.0,
y_in_px: 1450.0,
},
dimensions: {
width_in_px: 920,
height_in_px: 70,
},
},
{
index: 5,
type: "text",
text: "by Elizabeth Ashworth",
font_name: "Lora",
font_size_in_px: 22,
text_color: "#94A3B8",
text_align: "center",
position: {
x_in_px: 80.0,
y_in_px: 1540.0,
},
dimensions: {
width_in_px: 920,
height_in_px: 36,
},
},
{
index: 6,
type: "solid-color",
hex_color: "#6C63FF",
position: {
x_in_px: 340.0,
y_in_px: 1660.0,
},
dimensions: {
width_in_px: 400,
height_in_px: 56,
},
},
{
index: 7,
type: "text",
text: "Read the first chapter free",
font_name: "Montserrat",
font_size_in_px: 18,
text_color: "#FFFFFF",
font_weight: "bold",
text_align: "center",
vertical_align: "center",
position: {
x_in_px: 340.0,
y_in_px: 1660.0,
},
dimensions: {
width_in_px: 400,
height_in_px: 56,
},
},
],
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.generate_image(
dimensions={
"width_in_px": 1080,
"height_in_px": 1920,
},
output_format="png",
layers=[
{
"index": 0,
"type": "gradient",
"gradient_type": "linear",
"angle_in_degrees": 180.0,
"colors": [
{
"hex_color": "#0F0A1A",
"position": 0.0,
},
{
"hex_color": "#1B1464",
"position": 50.0,
},
{
"hex_color": "#2D1B69",
"position": 100.0,
},
],
"position": {
"x_in_px": 0.0,
"y_in_px": 0.0,
},
"dimensions": {
"width_in_px": 1080,
"height_in_px": 1920,
},
},
{
"index": 1,
"type": "text",
"text": "What if the person you trusted most\nwas the one keeping the secret?",
"font_name": "Lora",
"font_size_in_px": 36,
"text_color": "#E2E8F0",
"font_weight": "regular",
"font_style": "Italic",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 140.0,
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 200,
},
},
{
"index": 2,
"type": "image",
"buffer": book_cover_base64,
"position": {
"x_in_px": 240.0,
"y_in_px": 420.0,
},
"dimensions": {
"width_in_px": 600,
"height_in_px": 900,
},
},
{
"index": 3,
"type": "text",
"text": "THE ASHWORTH CHRONICLES",
"font_name": "Montserrat",
"font_size_in_px": 16,
"text_color": "#6C63FF",
"font_weight": "bold",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 1400.0,
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 28,
},
},
{
"index": 4,
"type": "text",
"text": "The Long Silence",
"font_name": "PlayfairDisplay",
"font_size_in_px": 48,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 1450.0,
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 70,
},
},
{
"index": 5,
"type": "text",
"text": "by Elizabeth Ashworth",
"font_name": "Lora",
"font_size_in_px": 22,
"text_color": "#94A3B8",
"text_align": "center",
"position": {
"x_in_px": 80.0,
"y_in_px": 1540.0,
},
"dimensions": {
"width_in_px": 920,
"height_in_px": 36,
},
},
{
"index": 6,
"type": "solid-color",
"hex_color": "#6C63FF",
"position": {
"x_in_px": 340.0,
"y_in_px": 1660.0,
},
"dimensions": {
"width_in_px": 400,
"height_in_px": 56,
},
},
{
"index": 7,
"type": "text",
"text": "Read the first chapter free",
"font_name": "Montserrat",
"font_size_in_px": 18,
"text_color": "#FFFFFF",
"font_weight": "bold",
"text_align": "center",
"vertical_align": "center",
"position": {
"x_in_px": 340.0,
"y_in_px": 1660.0,
},
"dimensions": {
"width_in_px": 400,
"height_in_px": 56,
},
},
],
)
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: 1080,
HeightInPx: 1920,
},
OutputFormat: "png",
Layers: []il.Layer{
il.NewGradientLayer(0, "linear", []il.GradientColor{
{
HexColor: "#0F0A1A",
Position: 0.0,
},
{
HexColor: "#1B1464",
Position: 50.0,
},
{
HexColor: "#2D1B69",
Position: 100.0,
},
}, il.Position{
XInPx: 0.0,
YInPx: 0.0,
}, il.Dimensions{
WidthInPx: 1080,
HeightInPx: 1920,
}),
il.NewTextLayer(1,
"What if the person you trusted most\nwas the one keeping the secret?",
"Lora", 36, "#E2E8F0",
il.Position{
XInPx: 80.0,
YInPx: 140.0,
},
il.Dimensions{
WidthInPx: 920,
HeightInPx: 200,
}),
il.NewStaticImageLayer(2, bookCoverBase64,
il.Position{
XInPx: 240.0,
YInPx: 420.0,
},
il.Dimensions{
WidthInPx: 600,
HeightInPx: 900,
}),
il.NewTextLayer(3, "THE ASHWORTH CHRONICLES", "Montserrat", 16, "#6C63FF",
il.Position{
XInPx: 80.0,
YInPx: 1400.0,
},
il.Dimensions{
WidthInPx: 920,
HeightInPx: 28,
}),
il.NewTextLayer(4, "The Long Silence", "PlayfairDisplay", 48, "#FFFFFF",
il.Position{
XInPx: 80.0,
YInPx: 1450.0,
},
il.Dimensions{
WidthInPx: 920,
HeightInPx: 70,
}),
il.NewTextLayer(5, "by Elizabeth Ashworth", "Lora", 22, "#94A3B8",
il.Position{
XInPx: 80.0,
YInPx: 1540.0,
},
il.Dimensions{
WidthInPx: 920,
HeightInPx: 36,
}),
il.NewRectangleLayer(6, "#6C63FF",
il.Position{
XInPx: 340.0,
YInPx: 1660.0,
},
il.Dimensions{
WidthInPx: 400,
HeightInPx: 56,
}),
il.NewTextLayer(7, "Read the first chapter free", "Montserrat", 18, "#FFFFFF",
il.Position{
XInPx: 340.0,
YInPx: 1660.0,
},
il.Dimensions{
WidthInPx: 400,
HeightInPx: 56,
}),
},
})
if err != nil {
panic(err)
}
}
{
"name": "Generate Social Media Book Promo",
"nodes": [
{
"parameters": {
"content": "## Generate Social Media Book Promo\n\nAuthors and book marketing teams use this recipe to generate vertical story images for TikTok and Instagram. Compose a gradient background, book cover, hook text, and author branding at 1080x1920 \u2014 ready to post or schedule across social platforms.\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": "4c65718a-1c0d-40b4-af41-25d064886f9b",
"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": "2e1e04e2-34b9-4031-bdc2-6c4f2fd543dd",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "e7ee734d-fb00-482d-9e28-882a8ed6519a",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "imageGeneration",
"widthInPx": 1080,
"heightInPx": 1920,
"outputFormat": "png",
"layersJson": "[\n {\n \"index\": 0,\n \"type\": \"gradient\",\n \"gradient_type\": \"linear\",\n \"angle_in_degrees\": 180.0,\n \"colors\": [\n {\n \"hex_color\": \"#0F0A1A\",\n \"position\": 0.0\n },\n {\n \"hex_color\": \"#1B1464\",\n \"position\": 50.0\n },\n {\n \"hex_color\": \"#2D1B69\",\n \"position\": 100.0\n }\n ],\n \"position\": {\n \"x\": 0.0,\n \"y\": 0.0\n },\n \"dimensions\": {\n \"width\": 1080,\n \"height\": 1920\n }\n },\n {\n \"index\": 1,\n \"type\": \"text\",\n \"text\": \"What if the person you trusted most\\nwas the one keeping the secret?\",\n \"font_name\": \"Lora\",\n \"font_size_in_px\": 36,\n \"text_color\": \"#E2E8F0\",\n \"font_weight\": \"regular\",\n \"font_style\": \"Italic\",\n \"text_align\": \"center\",\n \"position\": {\n \"x\": 80.0,\n \"y\": 140.0\n },\n \"dimensions\": {\n \"width\": 920,\n \"height\": 200\n }\n },\n {\n \"index\": 2,\n \"type\": \"image\",\n \"buffer\": \"<base64-encoded-book-cover>\",\n \"position\": {\n \"x\": 240.0,\n \"y\": 420.0\n },\n \"dimensions\": {\n \"width\": 600,\n \"height\": 900\n }\n },\n {\n \"index\": 3,\n \"type\": \"text\",\n \"text\": \"THE ASHWORTH CHRONICLES\",\n \"font_name\": \"Montserrat\",\n \"font_size_in_px\": 16,\n \"text_color\": \"#6C63FF\",\n \"font_weight\": \"bold\",\n \"text_align\": \"center\",\n \"position\": {\n \"x\": 80.0,\n \"y\": 1400.0\n },\n \"dimensions\": {\n \"width\": 920,\n \"height\": 28\n }\n },\n {\n \"index\": 4,\n \"type\": \"text\",\n \"text\": \"The Long Silence\",\n \"font_name\": \"PlayfairDisplay\",\n \"font_size_in_px\": 48,\n \"text_color\": \"#FFFFFF\",\n \"font_weight\": \"bold\",\n \"text_align\": \"center\",\n \"position\": {\n \"x\": 80.0,\n \"y\": 1450.0\n },\n \"dimensions\": {\n \"width\": 920,\n \"height\": 70\n }\n },\n {\n \"index\": 5,\n \"type\": \"text\",\n \"text\": \"by Elizabeth Ashworth\",\n \"font_name\": \"Lora\",\n \"font_size_in_px\": 22,\n \"text_color\": \"#94A3B8\",\n \"text_align\": \"center\",\n \"position\": {\n \"x\": 80.0,\n \"y\": 1540.0\n },\n \"dimensions\": {\n \"width\": 920,\n \"height\": 36\n }\n },\n {\n \"index\": 6,\n \"type\": \"solid-color\",\n \"hex_color\": \"#6C63FF\",\n \"position\": {\n \"x\": 340.0,\n \"y\": 1660.0\n },\n \"dimensions\": {\n \"width\": 400,\n \"height\": 56\n }\n },\n {\n \"index\": 7,\n \"type\": \"text\",\n \"text\": \"Read the first chapter free\",\n \"font_name\": \"Montserrat\",\n \"font_size_in_px\": 18,\n \"text_color\": \"#FFFFFF\",\n \"font_weight\": \"bold\",\n \"text_align\": \"center\",\n \"vertical_align\": \"center\",\n \"position\": {\n \"x\": 340.0,\n \"y\": 1660.0\n },\n \"dimensions\": {\n \"width\": 400,\n \"height\": 56\n }\n }\n]",
"fontsJson": "[]"
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "e6420fa2-9ac1-4cfd-ab76-10f904748538",
"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 vertical social media book promo image at 1080x1920 pixels. Use the generate_image tool with these layers:
1. Background: gradient layer with [color scheme]
2. Book cover: image layer with [cover image] centered
3. Hook text: text layer with [hook/tagline] in large bold text above the cover
4. Author name: text layer with [author name] below the cover
5. CTA: text layer with [call-to-action] (e.g., "Available Now") at the bottom
Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}
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