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Python Backend • pypi

Best FastAPI Packages

Modern, fast web framework for building APIs with Python. Automatic OpenAPI docs.

Rankings based on adoption rates from 1,008+ real FastAPI projects on GitHub.

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1,008+
Projects Analyzed
61,133
Package Relationships
20
Top Packages

Top FastAPI Packages by Adoption

Ranked by usage across 1,008+ real FastAPI projects

1
fastapi
pypi
100%
confidence
2
uvicorn
pypi
100%
confidence
3

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Crowdsourced Data

Rankings based on what real FastAPI projects actually use in production—not opinions.

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Packages with known CVEs are automatically filtered out. Ship with confidence.

Always Fresh

Data updates continuously. See what's being adopted now, not what was popular years ago.

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© 2026 PatternStack AI. Data-driven package intelligence.

pydantic
pypi
100%
confidence
4
sqlalchemy
pypi
90%
confidence
5
python-jose
pypi
95%
confidence
6
alembic
pypi
90%
confidence
7
pytest-asyncio
pypi
95%
confidence
8
redis
pypi
100%
confidence
9
httpx
pypi
100%
confidence
10
python-dotenv
pypi
100%
confidence
11
fastapi
pypi
100%
confidence
12
torch
pypi
90%
confidence
13
uvicorn
pypi
100%
confidence
14
passlib
pypi
95%
confidence
15
pytest
pypi
95%
confidence
16
numpy
pypi
90%
confidence
17
celery
pypi
95%
confidence
18
aioredis
pypi
95%
confidence
19
transformers
pypi
90%
confidence
20
python-multipart
pypi
100%
confidence

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Vue
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