GET curl.se HTTP 200168 ms3.5 KB$0.000035 captured Aug 7, 2026
curl.se, as data
One API turns any curl.se 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 168 ms
- Page size
- 3.5 KB of markdown, 75 lines
- Fields
- Title, Content, Date, Source and 1 more
- Captured
- Aug 7, 2026
Free balance on signup, no card. This curl.se page cost $0.000035 to fetch.
**command line tool and library** for transferring data with URLs## What is curl used for?curl is used in command lines or scripts to transfer data. curl isalso **libcurl**, used in cars, television sets, routers, printers, audioequipment, mobile phones, tablets, medical devices, settop boxes, computergames, media players and is the Internet transfer engine for countlesssoftware applications in over *twenty billion installations*.curl is used daily by virtually every Internet-using human on the globe.## curl supportsDICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS,IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP,SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS, WSS |SOCKS4, SOCKS5, HTTP, HTTPS (HTTP/1 and HTTP/2), tunneling,via unix domain sockets, haproxy, SOCKS+HTTP proxy chain|GET, POST, PUT, HEAD, multipart formpost, HTTP/0.9,HTTP/1.0, HTTP/1.1, HTTP/2 (h2c, h2, prior knowledge), HTTP/3 (dual connecth1/h2 + h3 or h3-only), HSTS, Alt-Svc, cookies, PSL, etags, transfercompression, ranges, custom headers, custom method, follow redirects|IPv6 (EPRT, EPSV), STLS, upload/download, append, range,passive/active, kerberos, directory listing, custom commands|known hosts, md5/sha256 fingerprint, compression,upload/download, directory listing|1.0 - 1.3, mutual authentication, STARTTLS, OCSP stapling,ECH, False Start, key pinning, PQC ready, session resumption, early data,Basic, Plain, Digest, CRAM-MD5, SCRAM-SHA, NTLM, Negotiate,Kerberos, Bearer tokens, AWS Sigv4, SASL, .netrc|DNS-over-HTTPS, custom address for host, name+port redirect,custom DNS servers, DNS caching, HTTPS RR|connection reuse, Interface binding, Happy Eyeballs,IPv4/IPv6-only, unix domain sockets, TCP keepalive, TCP Fast Open, TCPNodelay, MPTCP, VLAN priority, IP Type Of Service|transfer rate limiting, request rate limiting, stallWhat Spider does on curl.se
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.
168 ms · $0.000035Page 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://curl.se/", "return_format": "markdown"}'from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://curl.se/", params=params)
print(page[0]["content"])import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://curl.se/", {
return_format: "markdown",
});
console.log(page.content);What curl.se costs
Multiplied from the measured 3.5 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 curl.se.
The capture above took 168 ms and cost $0.000035. The same call takes any URL on curl.se.