Fast JSON schema validator for Python.
⚡ Executive Summary & Quick Facts
Authoritative Sourcepython-fastjsonschema is python-fastjsonschema is an open-source project written in Python: Fast JSON schema validator for Python..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), horejsek/python-fastjsonschema has accumulated 498 GitHub stars and 91 forks. It is written in Python, licensed under BSD-3-Clause, and ranks #12,382 globally. It is actively maintained with the latest commit recorded on Oct 21, 2026.”
| Repository | horejsek/python-fastjsonschema ↗ |
|---|---|
| Primary Category | developer tools |
| Language & Stack | Python |
| Software License | BSD-3-Clause |
| Community Traction | ★ 498 stars · ⑂ 91 forks · #12,382 globally |
| Maintenance | ● Active (Last commit: Oct 21, 2026) · 10 open issues |
| Target Audience | Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 88/100 · Grade AYes, python-fastjsonschema is actively maintained. Continuous telemetry recorded the last code commit on Oct 21, 2026 (23 days ago). Supported by 498 stars and 91 community forks, this repository holds a calculated health index of 88/100, reflecting regular maintenance (23 days ago) and healthy issue cadence.
Star History
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+0
STARS · LAST 30 DAYS
1
PER DAY
#1,678
MOST-STARRED Python
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +0 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +11 | +10 |
python-fastjsonschema gained 0 stars in the last 30 days, about 1 a day, and now has 498. It is about 10 years old and has averaged roughly 50 stars a year. It ranks #1,678 among Python repositories and #12,382 across all languages on GitHubRepo.
Trending Record
44
DAYS ON TRENDING
#1482
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
python-fastjsonschema has maintained a continuous presence across global trending indexes, peaking at #1482. Below is the 30-day activity profile:
💡 Overview
python-fastjsonschema is an open-source project written in Python: Fast JSON schema validator for Python.
Engineered for speed, consistency, and developer ease, it solves common hurdles in Python. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Python for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ pip install python-fastjsonschema⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Python >= 3.9, pip, virtualenv
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
python-fastjsonschema coordinates its core functionality through a modular Python pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed python-fastjsonschema into Python backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open BSD-3-Clause license.
🚀 Getting Started
Install python-fastjsonschema using your package manager: `pip install python-fastjsonschema`
Initialize your project workspace or configuration file for python-fastjsonschema.
Import python-fastjsonschema into your codebase or invoke it directly from your terminal.
Execute your test suite or run `python-fastjsonschema --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
horejsek/python-fastjsonschema is currently ranked #12,382 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #12,376 | cedricbonhomme/newspipe | Python | ★ 499 | Compare ↗ |
| #12,376 | xenondevs/Nova | Kotlin | ★ 499 | Compare ↗ |
| #12,376 | deadlock-mod-manager/deadlock-mod-manager | TypeScript | ★ 499 | Compare ↗ |
| #12,376 | apmantza/pi-lens | TypeScript | ★ 499 | Compare ↗ |
| #12,376 | abhi245y/PS5LM-Plus | C++ | ★ 499 | Compare ↗ |
| #12,382 | horejsek/python-fastjsonschema This Project | Python | ★ 498 | |
| #12,382 | spring-petclinic/spring-framework-petclinic | Java | ★ 498 | Compare ↗ |
| #12,382 | suriyun-mmorpg/UnityMultiplayerARPG_MMO | C# | ★ 498 | Compare ↗ |
| #12,382 | Baeldung/kotlin-tutorials | Kotlin | ★ 498 | Compare ↗ |
| #12,382 | Kyon147/laravel-shopify | PHP | ★ 498 | Compare ↗ |
| #12,382 | leptonai/gpud | Go | ★ 498 | Compare ↗ |
Frequently Asked Questions
What does python-fastjsonschema do? +
Fast JSON schema validator for Python.
Is python-fastjsonschema actively maintained in 2026? +
Yes, python-fastjsonschema is actively maintained. The latest code push was recorded on Oct 21, 2026 (23 days ago). It holds a calculated Maintenance Health Score of 88/100 (A rating) with 498 stars and 10 open issues.
What language is python-fastjsonschema written in? +
The primary language is Python. Topics include: software.
How many stars does python-fastjsonschema have? +
python-fastjsonschema has 498 stars and 91 forks on GitHub.
How does python-fastjsonschema rank among GitHub repositories? +
With 498 stars, horejsek/python-fastjsonschema is ranked #12,382 globally across all repositories tracked on GitHubRepo and #1,678 among Python projects.
What license is python-fastjsonschema distributed under? +
The repository reports a BSD-3-Clause license. Always verify the repository LICENSE file for legal terms.
