GET socket.io HTTP 200114 ms16.8 KB$0.000107 captured Aug 7, 2026

socket.io, as data

One API turns any socket.io 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 114 ms
Page size: 16.8 KB of markdown, 145 lines
Fields: Business Name, Address, Phone, Category
Captured: Aug 7, 2026

Start scraping socket.io See the code

Free balance on signup, no card. This socket.io page cost $0.000107 to fetch.

response 200 · 114 ms · 16.8 KB

Latest blog post (July 25, 2024): npm package provenance.# Socket.IOBidirectional and low-latency communication for every platform### PerformantIn most cases, the connection will be established with WebSocket, providing a low-overhead communication channel between the server and the client.### ReliableRest assured! In case the WebSocket connection is not possible, it will fall back to HTTP long-polling. And if the connection is lost, the client will automatically try to reconnect.### ScalableScale to multiple servers and send events to all connected clients with ease.### Basic exampleRun this example on Replit / StackBlitz / CodeSandbox### Latest blog posts* July 25, 2024 - npm package provenance* July 12, 2024 - Socket.IO monorepo* March 29, 2024 - Three new adapters* January 12, 2024 - Chat platformBlog feed: RSS / atom### Our sponsors

POST /scrape · socket.io/index.md · markdown · 145 lines · captured Aug 7, 2026

What Spider does on socket.io

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.

114 ms · $0.000107

/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 socket.io'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://socket.io/", "return_format": "markdown"}'

from spider import Spider

app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://socket.io/", params=params)
print(page[0]["content"])

import { Spider } from "@spider-cloud/spider-client";

const app = new Spider();
const [page] = await app.scrapeUrl("https://socket.io/", {
  return_format: "markdown",
});
console.log(page.content);

plain request · no browser, no selectors

What socket.io costs

Multiplied from the measured 16.8 KB page. Estimates round to the cent.

cost measured

This page, once 16.8 KB over HTTP, measured $0.000107

This page, daily for a month 30 fetches at the measured price ≈ $0.003195

1,000 pages this size 16.4 MB at the measured price ≈ $0.11

10,000 pages this size 164.4 MB at the measured price ≈ $1.07

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 socket.io.

The capture above took 114 ms and cost $0.000107. The same call takes any URL on socket.io.

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