What is cURL? A complete guide to the cURL ... - IBM Developer

It handles modern networking requirements such as , HTTP/3 , and SSL/TLS certificate verification by default. Why Developers Use curl

Curl is famous for its versatility, supporting dozens of protocols including: : HTTP, HTTPS File Transfer : FTP, SFTP, SCP, TFTP Email : IMAP, POP3, SMTP Other Networking : LDAP, TELNET, DICT, RTSP

: A utility used in terminals (like Bash or Command Prompt) to execute data transfers using a simple URL-based syntax.

: A highly portable, thread-safe C library that developers integrate into their own software to add network capabilities. Key Capabilities and Protocols

Originally released in 1997 by Swedish developer , it has become a fundamental building block of the modern internet. It is embedded in everything from cars and routers to medical devices and smartphones. What is curl? At its core, curl consists of two main components: