When asked to use HTTP/3, curl issues a separate attempt to use older HTTP versions with a slight delay, so if the HTTP/3 transfer fails or is slow, curl still tries to proceed with an older …

Command line options pass on information to curl about how you want it to behave. Like you can ask curl to switch on verbose mode with the -v option: -v is here used as a "short option". You …

curl is a tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, …

curl will return an error message if the remote server is using a self-signed certificate, or if the remote server certificate is not signed by a CA listed in the CA cert file. -k or --insecure option …

curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, …

Dec 20, 2025 · The curl command in Linux is a command-line tool used to transfer data between a system and a server using different network protocols. It is widely used for fetching web …

Single page documents with the most important curl options explained Download Download View curl-cheat-sheet on GitHub

Feb 22, 2025 · The curl command-line tool is one of the most useful and versatile programs you can learn. Its versatility and comprehensive HTTP implementation mean that, if there’s a URL …

This cheatsheet provides a comprehensive and practical reference for common curl commands. It covers HTTP requests, authentication, headers, cookies, data transfer, and more.

cURL, which stands for client URL, is a command line tool that developers use to transfer data to and from a server.