Features

• Supports HTTP/1.x and HTTP/2
• Streaming and pipelining
• Keep-alive and slow requests handling
• Client/server WebSockets support
• Transparent content compression/decompression (br, gzip, deflate, zstd)
• Powerful request routing
• Multipart streams
• Static assets
• SSL support using OpenSSL or Rustls
• Middlewares (Logger, Session, CORS, etc)
• Includes an async HTTP client
• Runs on stable Rust 1.52+

Documentation

• Website & User Guide
• Examples Repository
• API Documentation
• API Documentation (master branch)

Example

Dependencies:

[dependencies]
actix-web = "3"

Code:

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

#[get("/{id}/{name}/index.html")]
async fn index(web::Path((id, name)): web::Path<(u32, String)>) -> impl Responder {
    format!("Hello {}! id:{}", name, id)
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| App::new().service(index))
        .bind("127.0.0.1:8080")?
        .run()
        .await
}

More examples

• Basic Setup
• Application State
• JSON Handling
• Multipart Streams
• Diesel Integration
• r2d2 Integration
• Simple WebSocket
• Tera Templates
• Askama Templates
• HTTPS using Rustls
• HTTPS using OpenSSL
• WebSocket Chat

You may consider checking out this directory for more examples.

Benchmarks

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

License

This project is licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or [http://www.apache.org/licenses/LICENSE-2.0])
• MIT license (LICENSE-MIT or [http://opensource.org/licenses/MIT])

at your option.

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.