Substack Scraper
Extract newsletter posts, subscriber metrics, author bios, and publication directories from Substack. Powered by spider-browser .
Extract data in minutes
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
stealth: 2,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://substack.com/browse/technology");
const data = await page.extractFields({
postTitle: ".post-preview h3 a",
author: ".post-preview .pub-name",
subtitle: ".post-preview .post-preview-description",
date: ".post-preview .post-date",
likes: ".post-preview .like-count",
comments: ".post-preview .comment-count",
});
console.log(data);
await spider.close();Structured data endpoint
Extract structured JSON from substack.com with a single POST request. AI-configured selectors, cached for fast repeat calls.
curl -X POST https://api.spider.cloud/fetch/substack.com/ \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"return_format": "json"}'import requests
resp = requests.post(
"https://api.spider.cloud/fetch/substack.com/",
headers={
"Authorization": "Bearer YOUR_API_KEY",
"Content-Type": "application/json",
},
json={"return_format": "json"},
)
print(resp.json())const resp = await fetch("https://api.spider.cloud/fetch/substack.com/", {
method: "POST",
headers: {
"Authorization": "Bearer YOUR_API_KEY",
"Content-Type": "application/json",
},
body: JSON.stringify({ return_format: "json" }),
});
const data = await resp.json();
console.log(data);Data you can extract
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Start scraping substack.com
Get your API key and start extracting data in minutes.