The next generation HTTP client.
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HTTPX2
A next-generation HTTP client for Python.
HTTPX2 is a fully featured HTTP client library for Python. It includes an integrated command line client, has support for both HTTP/1.1 and HTTP/2, and provides both sync and async APIs.
[!NOTE] HTTPX2 is a continuation of the wonderful work started by @lovelydinosaur and the broader HTTPX community. We're enormously grateful for everything that has gone into HTTPX over the years - it has been a foundational piece of the modern Python ecosystem, and this project would not exist without it.
With HTTPX itself seeing limited activity recently, Pydantic is picking up stewardship under the HTTPX2 name so that users have a reliably maintained path forward - including timely security updates for a library that sits in the critical path of so many production systems. Our aim is to honour the original project's design, keep it stable for everyone relying on it, and continue evolving it carefully. Thank you to @lovelydinosaur and every past contributor for laying such a strong foundation. 💙
Install HTTPX2 using pip:
pip install httpx2
Now, let's get started:
>>> import httpx2
>>> r = httpx2.get('https://www.example.org/')
>>> r
<Response [200 OK]>
>>> r.status_code
200
>>> r.headers['content-type']
'text/html; charset=UTF-8'
>>> r.text
'<!doctype html>\n<html>\n<head>\n<title>Example Domain</title>...'
Or, using the command-line client.
pip install 'httpx2[cli]' # The command line client is an optional dependency.
Which now allows us to use HTTPX2 directly from the command-line:
httpx2 --help
Features
HTTPX2 builds on the well-established usability of requests, and gives you:
- A broadly requests-compatible API.
- An integrated command-line client.
- HTTP/1.1 and HTTP/2 support.
- Standard synchronous interface, but with async support if you need it.
- Ability to make requests directly to WSGI applications or ASGI applications.
- Strict timeouts everywhere.
- Fully type annotated.
- 100% test coverage.
Plus all the standard features of requests...
- International Domains and URLs
- Keep-Alive & Connection Pooling
- Sessions with Cookie Persistence
- Browser-style SSL Verification
- Basic/Digest Authentication
- Elegant Key/Value Cookies
- Automatic Decompression
- Automatic Content Decoding
- Unicode Response Bodies
- Multipart File Uploads
- HTTP(S) Proxy Support
- Connection Timeouts
- Streaming Downloads
- .netrc Support
- Chunked Requests
Installation
Install with pip:
pip install httpx2
Or, to include the optional HTTP/2 support, use:
pip install httpx2[http2]
Documentation
Project documentation is available at https://httpx2.pydantic.dev/.
For a run-through of all the basics, head over to the QuickStart.
For more advanced topics, see the Advanced Usage section, the async support section, or the HTTP/2 section.
The Developer Interface provides a comprehensive API reference.
To find out about tools that integrate with HTTPX, see Third Party Packages.
Contribute
If you want to contribute with HTTPX2 check out the Contributing Guide to learn how to start.
Dependencies
The HTTPX2 project relies on these excellent libraries:
httpcore2- The underlying transport implementation forhttpx2.h11- HTTP/1.1 support.
anyio- Structured concurrency primitives, used to support bothasyncioandtrio.truststore- SSL verification using the operating system's trust store.idna- Internationalized domain name support.
As well as these optional installs:
h2- HTTP/2 support. (Optional, withhttpx2[http2])socksio- SOCKS proxy support. (Optional, withhttpx2[socks])rich- Rich terminal support. (Optional, withhttpx2[cli])click- Command line client support. (Optional, withhttpx2[cli])brotliorbrotlicffi- Decoding for "brotli" compressed responses. (Optional, withhttpx2[brotli])zstandard- Decoding for "zstd" compressed responses on Python 3.13 and below. (Optional, withhttpx2[zstd]. On Python 3.14+,zstdis supported via the stdlibcompression.zstdmodule when it is available; thehttpx2[zstd]extra installs nothing there, so decoding falls back tozstandardonly on 3.13 and below.)
A huge amount of credit is due to requests for the API layout that
much of this work follows, as well as to urllib3 for plenty of design
inspiration around the lower-level networking details.
HTTPX2 is BSD licensed code.
Designed & crafted with care.
— 🦋 —
Release Information
Added
- Add native server-sent events support via
client.sse(). (#1046) - Support
|and|=operators forHeaders. (#1047)
Fixed
- Allow IPv6 CIDR notation in
no_proxy. (#967)
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