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GET worldcat.org HTTP 200138 ms10.7 KB$0.000706 captured Aug 7, 2026

worldcat.org, as data

One API turns any worldcat.org page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.

target profile from the capture
Render mode
Plain HTTP, no browser needed
Response
HTTP 200 in 138 ms
Page size
10.7 KB of markdown, 151 lines
Fields
Breed, Name, Age, Price
Captured
Aug 7, 2026

Free balance on signup, no card. This worldcat.org page cost $0.000706 to fetch.

response 200 · 138 ms · 10.7 KB
# Find items in libraries near you### Inclusive components : accessible web interfaces, piece by piece### Dark and Silent Office : A Digital Accessibility Guidebook for Inclusive Communication in the Workplace### The accessibility operations guidebook : to making accessibility work more sustainable### A web for everyone : designing accessible user experiences### Digital outcasts : moving technology forward without leaving people behind### Inclusive design for a digital world : designing with accessibility in mind### Accessibility for persons with disabilities and the inclusive future of libraries### What every engineer should know about digital accessibility### The digital accessibility handbook for libraries### Making the library accessible for all : a practical guide for librarians### Web accessibility cookbook : creating inclusive experiences### Practical web accessibility : a comprehensive guide to digital inclusion## How to use WorldCat.org## Welcome to WorldCat.orgGet started with WorldCat.org. In about two minutes, you can learn how to make a WorldCat.org profile, create and add items to lists, export citations, and use facets to narrow your search criteria. It’s a quick way to introduce yourself to the basics of searching the world’s largest collection of information about materials in libraries.## Use WorldCat.org for school researchLearn additional basic and advanced search techniques in this simple tutorial. We’ll walk through how to get resources for a solar system report that a student might be assigned and also provide tips for college students and more advanced researchers.## GenealogyIf you’re interested in genealogy or family history, you’re in the right place. Libraries and archives are often the only source for unique, local information about cemetery, burial, and military records; family Bibles, church, and town histories; indexes of births, marriages, and deaths; photographs, newspapers, microfilm, and so much more.
POST /scrape · worldcat.org/index.md · markdown · Showing 20 of 151 lines · captured Aug 7, 2026

What Spider does on worldcat.org

Same key, five endpoints. The numbers under a cell were measured on this page.

/scrape

Page to markdown

Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.

138 ms · $0.000706
/fetch

Page to JSON

Spider reads the page and names the fields. Pass your own schema when you need exact keys.

/crawl

Whole site

Follows worldcat.org's own links, respects robots, streams pages as they land.

/links

Link graph

Every internal and external URL on a page, before you decide what to fetch.

/screenshot

Rendered capture

Real Chromium, full-page PNG. The same call also returns the rendered HTML.

The call behind the panel

This request produced the response above. Paste it with your key and you get the same bytes.

request scrape.sh
curl -X POST https://api.spider.cloud/scrape \
  -H "Authorization: Bearer $SPIDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://worldcat.org/", "return_format": "markdown"}'
plain request · no browser, no selectors

What worldcat.org costs

Multiplied from the measured 10.7 KB page. Estimates round to the cent.

cost measured
This page, once 10.7 KB over HTTP, measured $0.000706
This page, daily for a month 30 fetches at the measured price ≈ $0.02
1,000 pages this size 10.5 MB at the measured price ≈ $0.71
10,000 pages this size 104.5 MB at the measured price ≈ $7.06

1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.

Point this at the rest of worldcat.org.

The capture above took 138 ms and cost $0.000706. The same call takes any URL on worldcat.org.

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