Generate a vertical story image for TikTok or Instagram book promotion with cover art, hook text, and author branding.
Scanned 9/10/2026
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---
name: generate-social-media-book-promo
description: Generate a vertical story image for TikTok or Instagram book promotion with cover art, hook text, and author branding.
---
# 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](https://platform.iterationlayer.com) during the 7-day trial.
For full integration guidance (SDKs, auth, MCP, error handling), see the [Iteration Layer Integration Guide](https://iterationlayer.com/SKILL.md).
## Implementation
```bash
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
}
}
]
}'
```
```typescript
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,
},
},
],
});
```
```python
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,
},
},
],
)
```
```go
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)
}
}
```
```n8n
{
"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"
}
}
```
```prompt
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
```json
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/png"
}
}
```
## Links
- [Integration guide](https://iterationlayer.com/SKILL.md)
- [Full documentation](https://iterationlayer.com/docs)
- [OpenAPI spec](https://api.iterationlayer.com/openapi.json)
- [Browse all recipes](https://iterationlayer.com/recipes)
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