Image Editing and Cropping

Alpha TrimAPI

Trims transparent edges from an image after background removal

Test in Dashboard View Docs ← All Tools

Three ways to use this tool

REST API

One POST request. Get the result back directly — as an image, video, or JSON depending on the tool.

terminal
curl -X POST https://apiai.me/api/workflow/alpha-trim \
     -H "X-API-Key: YOUR_API_KEY" \
     -F "image=@input.jpg" \
     -F "alpha_threshold=10" \
     -F "bg_tolerance=40" \
     -F "image=VALUE" \
     -F "padding=0"
     --output result.png

Dashboard Playground

Test this tool visually before writing any code. Upload an image, set parameters, and see the result live. When it looks right, copy the auto-generated curl command and paste it into your app.

  1. Open the dashboard → API Toolbox
  2. Find Alpha Trim and click it
  3. Upload your input and adjust parameters
  4. Copy the curl command and ship
Open Dashboard →

Batch Processing

Process hundreds of images at once without writing a loop. Upload a CSV with one row per item, set your parameters, and download the results as a ZIP when they're done.

  1. Open the dashboard → Batches
  2. Select Alpha Trim
  3. Add your content and start the batch
  4. Download results ZIP when complete
Go to Batches →

Parameters

Name Required Description Default / Options
alpha_threshold optional Type: integer 10
bg_tolerance optional Type: integer 40
image required
padding optional Type: integer 0

Ready to integrate?

Get an API key, test Alpha Trim in the dashboard, and copy the curl command.

Get API Key Full API Reference