Built for modern JavaScript stacks
Works for backend services, cron jobs, ETL pipelines, and LLM ingestion jobs in Node.js and TypeScript.
JavaScript and Node.js crawling
JavaScript Webcrawler API for production workloads
Crawl websites from Node.js and return clean markdown, text, or HTML. Skip crawler maintenance and focus on shipping product features.
New here? Start with the Getting Started docs.
Node.js example
import webcrawlerapi from "webcrawlerapi-js";
async function run() {
const client = new webcrawlerapi.WebcrawlerClient("YOUR_API_KEY");
const result = await client.crawl({
url: "https://example.com",
output_formats: ["markdown"],
items_limit: 20,
});
console.log(result.items[0]);
}
run().catch(console.error);Clean output for indexing and AI
Extract main content in markdown or text to improve chunking quality and retrieval accuracy.
Infrastructure handled for you
No proxy rotation, no custom retries, no anti-bot workarounds. You call one API and get consistent data.
Fast iteration loop
Ship faster by reducing crawler ops work and keeping your team focused on product logic.
JavaScript webcrawler FAQ
How do I build a JavaScript webcrawler quickly?
Use the Node.js SDK, provide a URL, and request markdown or HTML output. WebCrawlerAPI handles browser rendering, retries, and anti-bot infrastructure for you.
Does this work for JavaScript-heavy websites?
Yes. WebCrawlerAPI supports modern sites that require JavaScript rendering and can return cleaned content for downstream processing.
Can I use the output for RAG pipelines?
Yes. You can crawl site content and feed the extracted markdown or text into embeddings, vector databases, and retrieval workflows.
Do I need to manage proxies or unblockers?
No. Infrastructure concerns like proxies, retries, and anti-bot handling are managed by WebCrawlerAPI.
Build your JavaScript crawler today
Use WebCrawlerAPI for scalable website crawling and clean content extraction in Node.js.
Learn by building
Read our step-by-step guide and implement a crawler in JavaScript.
how to build crawler in javascript