HTTP message parser written in C

What's New



Breaking: moved from http_parser to llhttp

  • Added support for WatchOS and VisionOS
  • Version number matches latest version of llhttp

HTTP Parser

HTTPParserC CI Version License Platform

HTTP message parser written in C based on llhttp. It parses both requests and responses. The parser is designed to be used in performance HTTP applications. It does not make any syscalls nor allocations, it does not buffer data, it can be interrupted at anytime. Depending on your architecture, it only requires about 40 bytes of data per message stream (in a web server that is per connection).


  • No dependencies
  • Handles persistent streams (keep-alive).
  • Decodes chunked encoding.
  • Upgrade support
  • Defends against buffer overflow attacks.

The parser extracts the following information from HTTP messages:

  • Header fields and values
  • Content-Length
  • Request method
  • Response status code
  • Transfer-Encoding
  • HTTP version
  • Request URL
  • Message body


Swift Package Manager

The Swift Package Manager is a tool for automating the distribution of Swift code.

You can add Telegraph to your project by choosing the File - Swift Packages - Add Package Dependency option. Use the repository url as specified below and select the version you want to use.

Or you can manually add a Package.swift file to your project with:

dependencies: [
    .package(url: "")


CocoaPods is a dependency manager for Cocoa projects that makes dependencies a part of your workspace.

pod 'HTTPParserC'

See CocoaPods - Getting Started for more information.


Visit for more information


  • Swift Tools 5.1.0
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Last updated: Sun May 26 2024 22:54:53 GMT-0900 (Hawaii-Aleutian Daylight Time)