GET cas.cn HTTP 200521 ms19.5 KB$0.00021 captured Aug 7, 2026
cas.cn, as data
One API turns any cas.cn 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.
- Render mode
- Plain HTTP, no browser needed
- Response
- HTTP 200 in 521 ms
- Page size
- 19.5 KB of markdown, 322 lines
- Fields
- Title, Content, Date, Source and 1 more
- Captured
- Aug 7, 2026
Free balance on signup, no card. This cas.cn page cost $0.00021 to fetch.
#### 习近平出席国家科学技术奖励大会两院院士大会中国科协第十一次全国代表大会并发表重要讲话##### 习近平：在国家科学技术奖励大会、两院院士大会、中国科协第十一次全国代表大会上的讲话##### 中国科学院召开第二十二次院士大会全体会议新型二维材料镧系MXene首次合成](./syky/202607/t20260724_5116360.shtml)【中国科学报】十六载束流逐光 精神引领铸就领跑国器](./cm/202607/t20260731_5117711.shtml)中国科学院举办“科苑青年学习汇”第五期活动](./sygz/202607/t20260727_5116456.shtml)强流重离子加速器装置建成并投入试运行](./yx/202607/t20260723_5116228.shtml)管理服务平台](https://www.cas.cn/redirect/prp/index/)© 1996 - 中国科学院 版权所有 京ICP备05002857号-1 京公网安备110402500047号 网站标识码bm48000002电话： 86 10 68597114（总机） 86 10 68597289（总值班室）What Spider does on cas.cn
Same key, five endpoints. The numbers under a cell were measured on this page.
Page to markdown
Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.
521 ms · $0.00021Page to JSON
Spider reads the page and names the fields. Pass your own schema when you need exact keys.
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.
curl -X POST https://api.spider.cloud/scrape \
-H "Authorization: Bearer $SPIDER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"url": "https://cas.cn/", "return_format": "markdown"}'from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://cas.cn/", params=params)
print(page[0]["content"])import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://cas.cn/", {
return_format: "markdown",
});
console.log(page.content);What cas.cn costs
Multiplied from the measured 19.5 KB page. Estimates round to the cent.
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 cas.cn.
The capture above took 521 ms and cost $0.00021. The same call takes any URL on cas.cn.