Atcoder Scraper
Spider read atcoder.jp in 124 ms without a browser and returned 190 lines of clean markdown, including sections like "Ongoing Contests", "Important announcements" and "Recent announcements".
#### Ongoing ContestsOngoing◉RECRUIT Nihonbashi Half Marathon 2026 Summer (AtCoder Heuristic Contest 069)### Important announcementsSurvey on Participation Divisions for Long-Term AHCsPlanned Changes to the Generative AI Rules for AHCLanguage Update: C++23 (GCC 15.2.0)Announcement of AtCoder World Tour Finals 2027Launch of the New Judge SystemPostponement of the New Judge System LaunchRegarding Rule Changes in ABC, ARC and AGC Due to Technological Advancement of Generative AIIntroduction of Generative AI Rules in AHCRegarding Judge Queue Delays and Future MeasuresChanges to the Rated Cap of ARC Div.1Tentative 2025 AHC ScheduleAnnouncement of AtCoder World Tour Finals 2026Password Management for Your AtCoder AccountAnnouncement Regarding ARC's Division System### Recent announcementsJPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470) AnnouncementAtCoder Beginner Contest 469 AnnouncementRECRUIT Nihonbashi Half Marathon 2026 Summer (AtCoder Heuristic Contest 069) AnnouncementAtCoder Beginner Contest 468 AnnouncementAtCoder Regular Contest 225 Announcement### JPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470) AnnouncementWe will hold <a href="https://atcoder.jp/contests/abc470">JPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470)</a>.- Contest URL: https://atcoder.jp/contests/abc470- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260808T2100&p1=248- Writer: \<a href="/users/vwxyz" class="username"><span class="user-orange">vwxyz</span></a>, \ <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a>- Tester: \<a href="/users/sounansya" class="username"><span class="user-orange">sounansya</span></a>, \<a href="/users/sheyasutaka" class="username"><span class="user-orange">sheyasutaka</span></a>, \<a href="/users/harurun4635" class="username"><span class="user-orange">harurun4635</span></a>- The point values: 100-200-300-400-450-500-600The same call, in code.
The capture above came back as markdown. These examples add a key, so you get browser rendering, proxies, and concurrency on atcoder.jp.
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://atcoder.jp");
// No selectors, no schema. Spider reads the page and names the fields.
const data = await page.scrape();
console.log(data);
await spider.close();import { Spider } from "@spider-cloud/spider-client";
const spider = new Spider({ apiKey: process.env.SPIDER_API_KEY! });
const result = await spider.scrapeUrl("https://www.atcoder.jp", {
return_format: "markdown",
});
console.log(result);Ready for volume? Get an API key →
Fields you can pull.
Spider names these from the page. The capture above came back as markdown; the same
call with return_format: "json" returns them as keys.
What atcoder.jp costs to scrape.
The capture above cost $0.000095 to fetch. Pricing is $1 per GB of pre-transformation bandwidth plus $0.001 per CPU minute, so a page like this one lands at a fraction of a cent. Failed requests are billed at $0.
- Free balance on signup
- No card required to test
- Balance never expires
Run it keyless, no account
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Start scraping atcoder.jp.
You already have the call. A key raises the rate limit and turns on browser rendering, proxies, and concurrency. Balance never expires, and top-ups go through secure checkout.