The Web Crawler for AI Agents and LLMs

Spider offers the finest data collecting solution. Engineered for speed and scalability, it allows you to elevate your AI projects.

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Example request
import requests, os, json

headers = {
    'Authorization': f'Bearer {os.getenv("SPIDER_API_KEY")}',
    'Content-Type': 'application/jsonl',
}

json_data = {"limit":50,"metadata":True,"url":"https://spider.cloud"}

response = requests.post('https://api.spider.cloud/crawl', 
  headers=headers, json=json_data, stream=True)

with response as r:
    r.raise_for_status()
    
    for chunk in r.iter_lines(
        chunk_size=None, 
        decode_unicode=True
    ):
        data = json.loads(chunk)
        print(data)
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Built with the need for Speed

Experience the power of Spider, built fully in Rust for next-generation scalability.

2.4secs

To crawl over 20,000 pages

500-1000x

Faster than alternatives

500x

Cheaper than traditional scraping services

Benchmarks displaying performance between Spider API request modes.
Spider API Request Modes · Benchmarked tailwindcss.com ·

Seamless Integrations

Seamlessly integrate Spider with a wide range of platforms, ensuring data curation perfectly aligned with your requirements. Compatible with all major AI tools.

Concurrent Streaming

Save time and money without having to worry about bandwidth concerns by effectively streaming all the results concurrently. The latency cost that is saved becomes drastic as you crawl more websites.

Warp Speed

Powered by the cutting-edge Spider open-source project, our robust Rust engine scales effortlessly to handle extreme workloads. We ensure continuous maintenance and improvement for top-tier performance.

Kickstart Your Data Collecting Projects Today

Jumpstart web crawling with full elastic scaling concurrency, optimal formats, and AI scraping.

Performance Tuned

Spider is written in Rust and runs in full concurrency to achieve crawling thousands of pages in secs.

Multiple response formats

Get clean and formatted markdown, HTML, or text content for fine-tuning or training AI models.

Caching

Further boost speed by caching repeated web page crawls to minimize expenses while building.

Smart Mode

Spider dynamically switches to Headless Chrome when it needs to quick.

Beta

Scrape with AI

Do custom browser scripting and data extraction using the latest AI models with no cost step caching.

The crawler for LLMs

Don't let crawling and scraping be the highest latency in your LLM & AI agent stack.

Scrape with no headaches

  • Auto Proxy rotations
  • Agent headers
  • Anti-bot detections
  • Headless chrome
  • Markdown responses

The Fastest Web Crawler

  • Powered by spider-rs
  • 100,000 pages/seconds
  • Unlimited concurrency
  • Simple API
  • 50,000 RPM

Do more with AI

  • Browser scripting
  • Advanced extraction
  • Data pipelines
  • Ideal for LLMs and AI Agents
  • Accurate labeling

Achieve more with these new API features

Our API is set to stream so you can act in realtime.

A user interface with a search bar containing the text "Latest sports news," a green "Submit" button, and two icon buttons to display searching and extracting with the service.

Search

Get access to search engine results from anywhere and easily crawl and transform pages to LLM-ready markdown.

A user interface segment showing three icons representing different stages of data transformation.

Transform

Convert raw HTML into markdown easily by using this API. Transform thousands of html pages in seconds.

Join the community

Backed by a network of early advocates, contributors, and supporters.

FAQ

Frequently asked questions about Spider.

What is Spider?

Spider is a leading web crawling tool designed for speed and cost-effectiveness, supporting various data formats including LLM-ready markdown.

Why is my website not crawling?

Your crawl may fail if it requires JavaScript rendering. Try setting your request to 'chrome' to solve this issue.

Can you crawl all pages?

Yes, Spider accurately crawls all necessary content without needing a sitemap.

What formats can Spider convert web data into?

Spider outputs HTML, raw, text, and various markdown formats. It supports JSON, JSONL, CSV, and XML for API responses.

Is Spider suitable for large scraping projects?

Absolutely, Spider is ideal for large-scale data collection and offers a cost-effective dashboard for data management.

How can I try Spider?

Purchase credits for our cloud system or test the Open Source Spider engine to explore its capabilities.

Does it respect robots.txt?

Yes, compliance with robots.txt is default, but you can disable this if necessary.

Unable to get dynamic content?

If you are having trouble getting dynamic pages, try setting the request parameter to "chrome" or "smart." You may also need to set `disable_intercept` to allow third-party or external scripts to run.

Why is my crawl going slow?

If you are experiencing a slow crawl, it is most likely due to the robots.txt file for the website. The robots.txt file may have a crawl delay set, and we respect the delay up to 60 seconds.

Do you offer a Free Trial?

Yes, you can try out the service before being charged for free at checkout.

Comprehensive Data Curation for Everyone

Trusted by leading tech businesses worldwide to deliver accurate and insightful data solutions.

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Next generation data for AI, scale to millions