There are many alternatives to cURL for Linux if you are looking for a replacement. The best Linux alternative is Wget, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to cURL and 15 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to cURL are aria2, HTTPie for Terminal, xh and Hurl.
GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most widely-used Internet protocols. It is a non-interactive command line tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc.
HTTPie (pronounced aitch-tee-tee-pie) is a command line HTTP client. Its goal is to make CLI interaction with web services as human-friendly as possible. It provides a simple http command that allows for sending arbitrary HTTP requests using a simple and natural syntax, and...
Like cURL, HTTPie also has JSON support, but HTTPie reduces syntax by leaving out the header syntax. This makes a test call to an API easier to remember. Avoiding time spent reviewing a doc. For example: $ http POST https://api.ctl.io/v2/authentication/login 'username=YOUR.USERNAME' 'password=YOUR.PASSWORD' A similar call using cURL requires header syntax.
xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.
Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can capture values, evaluate queries on headers and body response. It is very versatile: it can be used for both fetching data and testing HTTP sessions.
Guzzle is a PHP HTTP client that makes it easy to send HTTP requests and trivial to integrate with web services.
Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.
RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.
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Wget has better defaults for troubleshooting