Allscreenshots – Website Screenshot Capture

Capture pixel-perfect website screenshots via the Allscreenshots cloud API. No local browser needed.

Setup

1. Get an API key at https://dashboard.allscreenshots.com
2. Add to ~/.openclaw/workspace/.env: ALLSCREENSHOTS_API_KEY=your_api_key_here

API Base

Endpoint: https://api.allscreenshots.com/v1/screenshots Auth header: Bearer $ALLSCREENSHOTS_API_KEY

Operations

Desktop screenshot (default)

curl -s -X POST 
  -H "Authorization: Bearer $ALLSCREENSHOTS_API_KEY" 
  -H "Content-Type: application/json" 
  -d '{"url":"TARGET_URL","fullPage":true,"viewport":{"width":1280,"height":800},"blockAds":true,"blockCookieBanners":true,"stealth":true,"responseType":"url"}' 
  "https://api.allscreenshots.com/v1/screenshots" | jq

Mobile screenshot

curl -s -X POST 
  -H "Authorization: Bearer $ALLSCREENSHOTS_API_KEY" 
  -H "Content-Type: application/json" 
  -d '{"url":"TARGET_URL","fullPage":true,"viewport":{"width":375,"height":812},"deviceScaleFactor":3,"blockAds":true,"blockCookieBanners":true,"stealth":true,"responseType":"url"}' 
  "https://api.allscreenshots.com/v1/screenshots" | jq

Dark mode

Add "darkMode": true to any request body above.

PDF export

Add "format": "pdf" to any request body above.

Viewport-only screenshot

Set "fullPage": false to capture only the visible viewport.

Parameter Reference

• fullPage: true captures the entire scrollable page
• blockAds: true removes ads and trackers
• blockCookieBanners: true hides cookie consent popups
• stealth: true uses anti-detection mode for bot-protected sites
• darkMode: true injects prefers-color-scheme: dark
• format: "pdf" returns a PDF instead of PNG
• responseType: controls what the API returns
• "binary" (default) – raw image bytes
• "base64" – JSON with base64-encoded image data
• "url" – JSON with a CDN link to the stored image

Response

When responseType is "url" (recommended for OpenClaw):

{ "storageUrl": "https://storage.allscreenshots.com/abc.png" }

Send the storageUrl back to the user as an image.

When responseType is "binary" (default): Raw image bytes. Pipe to a file with curl -o output.png.

When responseType is "base64":

{ "data": "iVBORw0KGgo..." }

Base64 payload, useful for embedding in HTML or emails.