hpx

High Performance HTTP Client — an ergonomic all-in-one HTTP client for browser emulation with TLS, JA3/JA4, and HTTP/2 fingerprints.

This is the core crate of the hpx project.

Features

• Browser Emulation: Simulate various browser TLS/HTTP2 fingerprints (JA3/JA4)
• Content Handling: Plain bodies, JSON, urlencoded, multipart, streaming
• Cookies Store with automatic cookie jar management
• Redirect Policy with configurable behaviors
• Rotating Proxies with SOCKS support
• Certificate Store management
• Tower Middleware support for extensibility
• Request/Response Hooks for lifecycle monitoring
• Retry Configuration with backoff strategies
• Compression: gzip, brotli, deflate, zstd
• Character Encoding support
• WebSocket Upgrade with switchable backends (yawc or fastwebsockets)
• TLS Backends: BoringSSL (default) and Rustls
• HTTP/1.1 and HTTP/2 support

Quick Start

#[tokio::main]
async fn main() -> hpx::Result<()> {
    let body = hpx::get("https://www.rust-lang.org")
        .send()
        .await?
        .text()
        .await?;

    println!("body = {body:?}");
    Ok(())
}

Feature Flags

License

Apache-2.0