curl
The facts below are what the maker publishes about curl, checked and dated. Our editors have not written about it yet.
Plans and prices
From curl's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| curl | Free | Free and open source software; transfers data using URLs |
The facts
Each one read from curl's own pages, with the date it was checked.
Where it runs
- Available platforms
- desktopchecked 20 Sep 2026
- Platforms
- The downloads page lists packages for Linux, macOS, iOS, and 32-bit and 64-bit Windows, among many other systems.checked 11 Oct 2026
What it does
- Commercial support
- Commercial support through wolfSSL includes customization, ports, feature development, patch maintenance, bug fixing, security scanning, and options up to 24/7 support.checked 11 Oct 2026
- Community support
- The project provides documentation, mailing lists, IRC or chat, videos, and a free online book called Everything curl.checked 11 Oct 2026
- Distribution
- The curl project mostly provides source packages, while other packages are provided by external people and organizations.checked 11 Oct 2026
- HTTP features
- Its HTTP capabilities include GET, POST, PUT, cookies, custom headers, redirects, HTTP/2, HTTP/3, HSTS, and Alt-Svc.checked 11 Oct 2026
- Latest release
- The page lists curl 8.22.0 as the latest stable version, released on 2026-09-02.checked 11 Oct 2026
- Library capabilities
- libcurl provides a stable API and ABI and supports features such as persistent connections, proxy chaining, IPv6, DNS-over-HTTPS, and transfer rate limiting.checked 11 Oct 2026
- Protocols
- curl supports protocols including HTTP, HTTPS, FTP, SFTP, SMTP, IMAP, MQTT, WebSocket, and many others.checked 11 Oct 2026
- Purpose
- curl is a command line tool and library for transferring data with URLs.checked 11 Oct 2026
- Security features
- Listed TLS features include versions 1.0–1.3, mutual authentication, OCSP stapling, ECH, key pinning, and session resumption.checked 11 Oct 2026
- Security reporting
- The project asks people who find or suspect a security problem in curl or libcurl to file a detailed report and links to a table of vulnerable versions.checked 11 Oct 2026
- Transfer controls
- The project lists transfer and request rate limits, stall detection, retries, timeouts, and parallel or serial transfers.checked 11 Oct 2026
- Use cases
- The project says curl is used in command lines and scripts, while libcurl is embedded in a wide range of devices and software applications.checked 11 Oct 2026
- WebSocket support
- Yeschecked 20 Sep 2026
The company
- Founded
- 1998checked 28 Sep 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
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