PyPI Has a Secret JSON API — Analyze Any Python Package Without Installing It

📰 Dev.to · Alex Spinov

Discover PyPI's secret JSON API to analyze Python packages without installing them, boosting development efficiency

intermediate Published 24 Mar 2026

Action Steps

Explore the PyPI JSON API documentation to learn about available endpoints and parameters
Use tools like curl or Postman to send HTTP requests to the API and retrieve package information
Parse the JSON responses to extract relevant data, such as package dependencies and versions
Build a script to automate package analysis using the API, saving time and effort
Test the script with different packages to ensure its reliability and accuracy

Who Needs to Know This

Developers and data scientists can benefit from this API to quickly inspect package metadata and dependencies, streamlining their workflow

Key Insight

💡 PyPI's JSON API allows for efficient package analysis without installation, reducing development time and increasing productivity

Key Takeaways

Discover PyPI's secret JSON API to analyze Python packages without installing them, boosting development efficiency

PyPI — the Python Package Index — has a free JSON API that nobody talks about. You can look up any...