Batch Processing Ready

AI Image Resizing API

Process thousands of product images, social media assets, and marketing creatives with our AI-powered batch resizing API. Perfect for e-commerce catalogs, marketing automation, and content workflows.

API Key Management

Your secret API key is used to authenticate your requests

Get Your API Key in Seconds

~1s response

99.9% uptime

Auto-scaling

No credit card required to get started

Start in 60 Seconds

3 simple steps

STEP 1

Get API Key

STEP 2

Copy the cURL

Scroll to code examples, copy any snippet

STEP 3

Run & See Results

Paste in terminal, get resized image URLs

Popular Use Cases

🛒

E-commerce

50K/day

📱

Social Media

15 formats

📷

Photography

12h→5min

🌐

Web SEO

40% LCP↑

📚

DAM Systems

1M+ images

🤖

ML Datasets

10M+ done

Performance

~5s

sequential

→

~1s

parallel (5x faster)

GPU-powered • Auto-scaling • Send parallel requests for max throughput

API Usage Guide

Make a POST request to our API endpoint to process an image

Endpoint

POSThttps://api.rsz.app/processImage

bash


# --- User Configuration ---
# 1. Set your API key as an environment variable in your terminal:
#    export API_KEY="your_api_key_here"
# 2. Run the command below, making sure to update the path
#    to your image file.
# NOTE: The first request may be significantly slower than subsequent ones
# --------------------
curl -X POST "https://api.rsz.app/processImage" \
  -H "Authorization: Bearer ${API_KEY}" \
  -H "Accept: application/json" \
  -F "image=@/path/to/your/image.jpg" \
  -F "target_width=1920" \
  -F "target_height=1080"

Response Format

json

{
  "success": true,
  "job_id": "687e8f8578f23f3afcc92640",
  "ai_image_url": "https://....cloudfront.net/images/.../ai_resized.png?X-Amz-Algorithm=...",
  "regular_image_url": "https://....cloudfront.net/images/.../regular_resized.png?X-Amz-Algorithm=...",
  "processing_time": 4.162,
  "credits_remaining": 199,
  "message": "Image processed successfully"
}

Response Fields

success: Boolean indicating if processing was successful
job_id: Unique identifier for the processing job
ai_image_url: URL to download the AI-enhanced resized image (expires in 24 hours)
regular_image_url: URL to download the standard resized image (expires in 24 hours)
processing_time: Time taken to process the image in seconds
credits_remaining: Your remaining credit balance after this operation
message: Human-readable status message

AI Image Resizing API for E-commerce, Marketing Automation, Photography Workflows, and Machine Learning Dataset Preparation