What is curl it?

Curl is a command-line tool used to transfer data from or to a server using various protocols such as HTTP, FTP, IMAP, LDAP, POP3, SMTP, and many more. It is an open-source utility that is available for Windows, Mac, and Linux operating systems. With curl, you can download files, upload files, make HTTP requests with different methods such as GET, POST, DELETE, PUT, etc.

Curl is widely used in web development for testing API endpoints, debugging network issues, and automation tasks. It supports features like cookies, SSL/TLS certificates, HTTP headers, authentication, and proxies. Curl also provides a rich set of customization options and command-line parameters for fine-tuning network requests. Additionally, there are several libraries and wrappers available for different programming languages that leverage the curl functionality.