#Features

• 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 1.88+

#Experimental features

To enable faster release iterations, we mark some features as experimental. These features are prefixed with experimental and a breaking change may happen at any release. Please use them in a production environment at your own risk.

• experimental-introspection: exposes route and method reporting helpers for local diagnostics and tooling. See examples/introspection.rs and examples/introspection_multi_servers.rs.

#Documentation

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

#Example

Dependencies:

[dependencies]
actix-web = "4"

Code:

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

#[get("/hello/{name}")]
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(|| {
        App::new().service(greet)
    })
    .bind(("127.0.0.1", 8080))?
    .run()
    .await
}

#More Examples

• Hello World
• Basic Setup
• Application State
• JSON Handling
• Multipart Streams
• MongoDB Integration
• Diesel Integration
• SQLite Integration
• Postgres Integration
• Tera Templates
• Askama Templates
• HTTPS using Rustls
• HTTPS using OpenSSL
• Simple WebSocket
• 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 the following licenses, at your option:

• 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])

#Code of Conduct

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