GET dart.dev HTTP 200110 ms3.4 KB$0.000136 captured Aug 7, 2026

dart.dev, as data

One API turns any dart.dev 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 110 ms
Page size: 3.4 KB of markdown, 72 lines
Fields: Site Header, Skip To Main Button
Captured: Aug 7, 2026

Start scraping dart.dev See the code

Free balance on signup, no card. This dart.dev page cost $0.000136 to fetch.

response 200 · 110 ms · 3.4 KB

dart.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic.Supercharge your productivity with Dart 3.12!An approachable, portable, and productive languagefor high-quality apps on any platformDevelop with a consistent, concise, and strongly typedprogramming language that offers modern features like null safety and pattern matching.Compile to ARM, x64, and RISC-V machinecode for mobile, desktop, and backend. Or, compile to JavaScript & WebAssemblyMake changes iteratively: use hotreload to see the result instantly in your running app.Mature and complete async-awaitfor user interfaces containing event-driven code, paired withWrite safe and concise code using features like sound null safety,A consistent programming language, with an easy to learn andmachine code for instant startup.Target the web with complete, mature, fastcompilers for JavaScript and WebAssembly.supporting your app, written using a single programming language.Make changes to your source code iteratively, usingto instantly see the effect in the running app.Write code using a flexible type system with rich

POST /scrape · dart.dev/index.md · markdown · Showing 21 of 72 lines · captured Aug 7, 2026

What Spider does on dart.dev

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.

110 ms · $0.000136

/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 dart.dev'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://dart.dev/", "return_format": "markdown"}'

from spider import Spider

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

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

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

plain request · no browser, no selectors

What dart.dev costs

Multiplied from the measured 3.4 KB page. Estimates round to the cent.

cost measured

This page, once 3.4 KB over HTTP, measured $0.000136

This page, daily for a month 30 fetches at the measured price ≈ $0.004074

1,000 pages this size 3.3 MB at the measured price ≈ $0.14

10,000 pages this size 33.0 MB at the measured price ≈ $1.36

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 dart.dev.

The capture above took 110 ms and cost $0.000136. The same call takes any URL on dart.dev.

Get an API key

More in AI & Developer

All AI & Developer scrapers