iterationlayer Resize Image for Social Media
Social media managers and marketing teams use this recipe to create a correctly sized image for a specific platform. Upload one source image and resize it to platform-specific dimensions — ready for publishing on Instagram, Twitter, LinkedIn, and more.
APIs Used
Image Transformation (0.5 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-transformation/v1/transform \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"file": {
"type": "url",
"name": "brand-image.jpg",
"url": "https://example.com/brand-image.jpg"
},
"operations": [
{
"type": "resize",
"width_in_px": 1080,
"height_in_px": 1080,
"fit": "cover"
},
{
"type": "convert",
"format": "jpeg",
"quality": 90
}
]
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.transformImage({
file: {
type: "url",
name: "brand-image.jpg",
url: "https://example.com/brand-image.jpg",
},
operations: [
{
type: "resize",
width_in_px: 1080,
height_in_px: 1080,
fit: "cover",
},
{
type: "convert",
format: "jpeg",
quality: 90,
},
],
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.transform_image(
file={
"type": "url",
"name": "brand-image.jpg",
"url": "https://example.com/brand-image.jpg",
},
operations=[
{
"type": "resize",
"width_in_px": 1080,
"height_in_px": 1080,
"fit": "cover",
},
{
"type": "convert",
"format": "jpeg",
"quality": 90,
},
],
)
package main
import il "github.com/iterationlayer/sdk-go"
func main() {
client := il.NewClient("YOUR_API_KEY")
result, err := client.TransformImage(il.TransformImageRequest{
File: il.FileInput{Type: "url", Name: "brand-image.jpg", Url: "https://example.com/brand-image.jpg"},
Operations: []il.TransformOperation{
il.NewResizeOperation(1080, 1080, "cover"),
il.NewConvertOperation("jpeg"),
},
})
if err != nil {
panic(err)
}
}
{
"name": "Resize Image for Social Media",
"nodes": [
{
"parameters": {
"content": "## Resize Image for Social Media\n\nSocial media managers and marketing teams use this recipe to create a correctly sized image for a specific platform. Upload one source image and resize it to platform-specific dimensions \u2014 ready for publishing on Instagram, Twitter, LinkedIn, and more.\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": 280,
"width": 500,
"color": 2
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
200,
40
],
"id": "c63dfab3-9ffe-40dd-9b8a-23d58ec44364",
"name": "Overview"
},
{
"parameters": {
"content": "### Step 1: Transform Image\nResource: **Image Transformation**\n\nConfigure the Image Transformation parameters below, then connect your credentials.",
"height": 160,
"width": 300,
"color": 6
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
475,
100
],
"id": "d9e863c7-31d9-45db-a518-1b00d2a076f9",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "e1f2a3b4-c5d6-4e7f-8a9b-1c2d3e4f5a6b",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "imageTransformation",
"fileInputMode": "url",
"fileName": "brand-image.jpg",
"fileUrl": "https://example.com/brand-image.jpg",
"operations": {
"operationValues": [
{
"operationType": "resize",
"widthInPx": 1080,
"heightInPx": 1080,
"fit": "cover"
},
{
"operationType": "convert",
"convertFormat": "jpeg",
"quality": 90
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "b4c5d6e7-f8a9-4b0c-1d2e-3f4a5b6c7d8e",
"name": "Transform Image",
"credentials": {
"iterationLayerApi": {
"id": "1",
"name": "Iteration Layer API"
}
}
}
],
"connections": {
"Manual Trigger": {
"main": [
[
{
"node": "Transform Image",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}
Resize the image at [file URL] for social media. Use the transform_image tool with a resize operation to [width]x[height] pixels (fit: cover) and a convert operation to JPEG at quality [quality].
Response
{
"success": true,
"data": {
"buffer": "iVBORw0KGgoAAAANSUhEUgAA...",
"mime_type": "image/jpeg"
}
}