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Sans-IO Design
Ships with pure-python standard I/O, Rust-based, browser fetch, and ASGI handlers. Bring your own I/O implementation easily.
Zaprosmodern and extensible Python HTTP client
Clean HTTP semantics, bring your own transport
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Batteries Included
Authentication, cookies, timeouts, redirects, retries, caching, and custom handlers out of the box.
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Easily Testable
Powerful built-in mock handler for unit tests and HTTP cassettes library for recording and replaying real requests.
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Async & Sync Support
Use the same clean interface in both async and sync environments.