treq
Python requests-like API built on top of Twisted's HTTP client.
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is treq?
treq is a Python library that provides an easy-to-use interface for making HTTP requests, similar to the popular 'requests' library but built on top of Twisted. It allows developers to write asynchronous code using callbacks or Deferreds.
Key differentiator
“treq stands out as an asynchronous HTTP client built on top of Twisted, offering developers the flexibility to integrate with existing Twisted-based applications while providing a familiar API similar to 'requests'.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
treq heavily relies on Twisted's Deferreds and callbacks which are not common in other Python HTTP libraries.
The official documentation is sparse, and the community around treq is relatively small compared to more popular libraries like requests.
Using Twisted's Deferreds can introduce additional latency and complexity in performance-critical applications.
Integrating treq with other Python asynchronous frameworks like asyncio can be challenging due to Twisted's unique event loop model.
Fit analysis
Who is it for?
✓ Best for
Python developers who need to make HTTP requests asynchronously within Twisted-based applications
Projects requiring integration of asynchronous HTTP calls with existing Twisted codebases
✕ Not a fit for
Developers looking for a synchronous HTTP client library
Applications that do not require or benefit from non-blocking I/O operations
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with treq
Step-by-step setup guide with code examples and common gotchas.