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Documentation Index

Fetch the complete documentation index at: https://docs.anchorbrowser.io/llms.txt

Use this file to discover all available pages before exploring further.

The Web Unlocker lets you retrieve fully-rendered page content from any URL without managing a browser session. It handles residential proxies, captcha solving, and fingerprinting automatically — so bot-protected sites respond as if you’re a real user.

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Quick Start

cURL
curl -X POST "https://api.anchorbrowser.io/v1/tools/fetch/webpage" \
  -H "anchor-api-key: $ANCHOR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "url": "https://www.g2.com/products/notion/reviews" }'

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Request Reference

Endpoint: POST https://api.anchorbrowser.io/v1/tools/fetch/webpage Headers:
HeaderValue
anchor-api-keyYour API key
Content-Typeapplication/json
Body:
​
url
string
required
The fully-qualified URL to fetch (e.g. https://www.linkedin.com/company/openai).
Response codes:
CodeMeaning
200Page content returned successfully
400Invalid request — check the URL and try again
422Could not reach the requested URL
429Rate limit exceeded
500Failed to fetch the requested page
504The page took too long to load

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Examples

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Scrape a protected site

cURL
curl -X POST "https://api.anchorbrowser.io/v1/tools/fetch/webpage" \
  -H "anchor-api-key: $ANCHOR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "url": "https://www.indeed.com/jobs?q=software+engineer&l=New+York" }'

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Fetch multiple pages in parallel

bash
urls=(
  "https://www.crunchbase.com/organization/openai"
  "https://www.crunchbase.com/organization/anthropic"
  "https://www.crunchbase.com/organization/mistral-ai"
)

for url in "${urls[@]}"; do
  curl -s -X POST "https://api.anchorbrowser.io/v1/tools/fetch/webpage" \
    -H "anchor-api-key: $ANCHOR_API_KEY" \
    -H "Content-Type: application/json" \
    -d "{\"url\": \"$url\"}" &
done
wait
When given a PDF URL, the Web Unlocker returns the file directly as a binary response. To extract text content from a PDF instead, use the Get webpage content tool — it handles PDF pages the same as any other page.

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Web Unlocker vs. Browser Sessions

Web UnlockerBrowser Session
SetupNo session neededCreate a session first
StealthAlways onConfigurable
SpeedNo cold startSession startup time
Best forHigh-volume scraping, one-shot fetchesMulti-step workflows, interactive automation
Use the Web Unlocker when you need content from a single URL. Use a browser session when you need to navigate, click, fill forms, or maintain state across multiple pages.