It’s a solid, tried-and-true library that enjoys extensive production use. It’s asynchronous by design and offers both client-side and server-side APIs. Several of the libraries we’ll discuss in this article are based on hyper. It’s relatively low-level, so it’s perfect for when you need more advanced functionalities. When the high-level libraries don’t offer all the functionalities you’re looking for, it might be a good idea to look into the hyper library. All-time downloads on crates.io: 9,818,464. ![]() Let mut data = "this is the body".as_bytes() Įasy.post_field_size(data.len() as u64).unwrap() Ĭurl-rust’s popularity stats are as follows: Notice the more complex syntax: use std::io::Read Here’s an example of a POST request using curl-rust. There are more lightweight solutions out there that provide more tailored features for today’s web needs. curl-rust comes packed with functionalities you don’t always need, like support for transfer protocols such as Telnet, SMTP, FTP, IMAP, or LDAP. My advice is to only use curl-rust if you actually need to use curl - for instance, if you’re working on a project that depends on a diverse tech stack and has already integrated curl. Importantly, curl-rust does not offer any support for asynchronous requests, meaning it’s slower and more resource-heavy than any of its asynchronous counterparts. If you want to completely remain in the realm of Rust and avoid the problems that C-based curl can produce, you may want to opt for one of the libraries that completely rely on Rust. In other words, you can use the functionality of libcurl with an additional layer of security provided by Rust. curl-rustĬurl-rust offers libcurl bindings for Rust, meaning it includes an interface for the C-based HTTP library. ![]() We’ll also demonstrate how to make GET and POST requests with each library. In this guide, we’ll walk through the main features of six Rust HTTP clients: Depending on the tech stack your project is built on or the number of HTTP calls you have to make, certain libraries will suit you well while others could be more trouble than they’re worth. It’s impossible to overstate the importance of HTTP clients, which is why you should do your homework when choosing the right HTTP client for your task at hand. Check out this article for a tutorial on making HTTP requests with the reqwest library. How to choose the right Rust HTTP clientĮditor’s note: This Rust article was last updated on 21 December 2022 to update code and include less well-known but useful HTTP clients, such as Actix Web Client, rustify, and tokio-curl. A backend/core blockchain developer and avid writer, he's very passionate about blockchain technology. Michiel Mulders Follow Michiel loves the Node.js and Go programming languages.
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