SlowAPI: Rate Limiting for Starlette & FastAPI

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library 0.1.9 ·python
verified May 20, 2026

SlowAPI is a Python library that provides a flexible rate-limiting extension for Starlette and FastAPI applications. It builds upon the 'limits' library to offer various storage backends (in-memory, Redis, Memcached) and granular control over rate limits per route or globally. The current version is 0.1.9, and it is actively maintained with an irregular release cadence.

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