actix-web 4.5.1

Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust
Documentation Documentation MSRV MIT or Apache 2.0 licensed Dependency Status CI codecov downloads Chat on Discord


  • Supports HTTP/1.x and HTTP/2
  • Streaming and pipelining
  • Powerful request routing with optional macros
  • Full Tokio compatibility
  • Keep-alive and slow requests handling
  • Client/server WebSockets support
  • Transparent content compression/decompression (br, gzip, deflate, zstd)
  • Multipart streams
  • Static assets
  • SSL support using OpenSSL or Rustls
  • Middlewares (Logger, Session, CORS, etc)
  • Integrates with the awc HTTP client
  • Runs on stable Rust 1.68+




actix-web = "4"


use actix_web::{get, web, App, HttpServer, Responder};

async fn greet(name: web::Path<String>) -> impl Responder {
    format!("Hello {name}!")

#[actix_web::main] // or #[tokio::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| {
    .bind(("", 8080))?

More Examples

You may consider checking out this directory for more examples.


One of the fastest web frameworks available according to the TechEmpower Framework Benchmark.


This project is licensed under either of the following licenses, at your option:

  • Apache License, Version 2.0, (LICENSE-APACHE or [])
  • MIT license (LICENSE-MIT or [])

Code of Conduct

Contribution to the actix-web repo is organized under the terms of the Contributor Covenant. The Actix team promises to intervene to uphold that code of conduct.