How to set up a basic HTTP server with hyper?

You need an async runtime like Tokio, implement a service using hyper's Server API, and bind to a port—check the official guides for detailed examples with code snippets.

hyper vs reqwest: which should I use for making HTTP requests?

hyper is low-level for custom control, while reqwest is a high-level client built on hyper with easy request building and response handling; choose hyper for foundational work, reqwest for convenience.

Does hyper support WebSockets or HTTP/3?

hyper focuses on HTTP/1 and HTTP/2; WebSocket support requires manual handling or additional crates, and HTTP/3 is not built-in, though the ecosystem may evolve.

How to handle errors in a hyper client?

Errors are exposed through Result types in async calls, requiring manual error handling and logging—the documentation provides patterns for managing network and protocol errors.

What performance benchmarks exist for hyper?

hyper is optimized for low latency and high throughput, with community benchmarks often shared in discussions; refer to project reports or third-party tests for specific metrics.

Can I use hyper with SSL/TLS easily?

No, hyper doesn't include TLS; you must integrate with crates like hyper-tls or rustls, adding configuration steps for secure connections.

Open-Awesome

Hyper

MITRustv1.10.1

A protective and efficient, low-level HTTP library for Rust, supporting HTTP/1 and HTTP/2 with client and server APIs.

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16.1k stars1.8k forks0 contributors

What is Hyper?

hyper is a low-level HTTP library for the Rust programming language. It provides efficient, asynchronous client and server APIs supporting both HTTP/1 and HTTP/2 protocols, designed as a foundational building block for web applications and higher-level frameworks.

Target Audience

Rust developers building web servers, clients, or frameworks who require a reliable, performant, and correct HTTP implementation as a base layer.

Value Proposition

Developers choose hyper for its proven performance, rigorous correctness, extensive production use, and its role as the trusted foundation for many popular Rust web ecosystems like reqwest, axum, and warp.

Overview

An HTTP library for Rust

Use Cases

Best For

Building high-performance, asynchronous HTTP servers in Rust
Creating custom HTTP clients that require fine-grained control
Developing higher-level web frameworks or libraries in Rust
Implementing services that require both HTTP/1 and HTTP/2 support
Applications where network performance and correctness are critical
Foundational networking components in production Rust systems

Not Ideal For

Developers needing a high-level, batteries-included HTTP client for quick API calls without manual configuration
Teams building web applications who prefer integrated frameworks with built-in routing and middleware out of the box
Projects with tight deadlines that prioritize rapid prototyping over fine-grained control and performance optimization

Pros & Cons

Pros

Comprehensive Protocol Support

Supports both HTTP/1 and HTTP/2, enabling modern web standards and efficient communication as highlighted in the key features.

Asynchronous Efficiency

Built for non-blocking I/O, making it ideal for high-concurrency environments, which is emphasized in the project description.

Proven Performance

Optimized for speed and low resource usage, with claims of leading performance backed by extensive production use.

Foundational Reliability

Rigorously tested for correctness and widely used in real-world applications, serving as a trusted base for frameworks like axum and warp.

Cons

Low-Level Complexity

Requires manual handling of HTTP details and async programming, making it less accessible for developers seeking quick solutions compared to higher-level libraries like reqwest.

Additional Setup Required

Lacks built-in conveniences such as JSON serialization or TLS support, often necessitating extra crates and boilerplate code for common tasks.

Ecosystem Dependency

While foundational, users frequently need to integrate with other libraries for full functionality, adding complexity to the dependency management and learning curve.

Frequently Asked Questions

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