Pydantic Validation by pydantic

Data validation using Python type hints

validationparsingjson-schemapydanticpython39pythonhintspython310python311python312python313
Verdict 80/100 health $4.13/mo cheapest, hetzner 2/5 setup difficulty Last release 17 days ago

Self-host Pydantic Validation on hetzner CAX11 for $4.13/mo.

Health score
80 /100
6-dim composite
Self-hosts from
$4.13 /mo
hetzner · CAX11
Difficulty
2 /5
Docker + read README
GitHub stars
28k
2.6k forks

About Pydantic Validation

From the project's README at github.com/pydantic/pydantic. Lightly cleaned for readability; for the full source see the upstream repo.

[](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amain+workflow%3ACI) [](https://coverage-badge.samuelcolvin.workers.dev/redirect/pydantic/pydantic) [](https://pypi.python.org/pypi/pydantic) [](https://anaconda.org/conda-forge/pydantic) [](https://pepy.tech/project/pydantic) [](https://github.com/pydantic/pydantic) [](https://github.com/pydantic/pydantic/blob/main/LICENSE) [](https://docs.pydantic.dev/latest/contributing/#badges) [](https://docs.pydantic.dev/latest/llms.txt)

Fast and extensible, Pydantic plays nicely with your linters/IDE/brain. Define how data should be in pure, canonical Python 3.10+; validate it with Pydantic. Pydantic Logfire

Health score breakdown

6-dimension composite. See methodology for formula and weights.

activity
90
maturity
100
community
89
security
85
sustainability
88
adoption
41

Adoption signals

Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.

SignalValueSource
GitHub stars 28k github.com/pydantic/pydantic
GitHub forks 2.6k github.com/pydantic/pydantic
PYPI downloads (last month) 977823k pydantic

Release & maintenance

Is this project actively maintained, or about to die? Check the recency of last commit and last release.

Project age9.0 yearssince May 2017
Last commit4 days agoMay 3, 2026
Releases shipped197last: 17 days ago
Security policySECURITY.mddeclared by maintainers
Funding links1declared by maintainers

Self-hosting cost across providers

Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.

ProviderPlanSpecsMonthly
hetzner CAX11 2c · 4GB · 40GB $4.13 USD Deploy →
vultr VC2 1c · 1GB · 25GB $5 USD Deploy →
linode Nanode 1GB 1c · 1GB · 25GB $5.12 USD Deploy →
digitalocean Basic Regular 1GB 1c · 1GB · 25GB $6 USD Deploy →

Security advisories

5 known advisories tracked via OSV.dev. Most recent: GHSA-mr82-8j83-vxmv.

What people say on Hacker News

Ready to self-host Pydantic Validation?

Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.

Data last refreshed May 7, 2026.

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Frequently asked questions

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