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PyPI Package Dependency Lookup
x402
PyPI Package Dependency Lookup is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns parsed dependency metadata for the latest release of a PyPI package, including requires_dist, requires_python, license, extras, and environment markers.
Price / call$0.01
Success—
StatusUnknown
How this service works
Dependencies of a PyPI project's latest release: requires_dist parsed into name, version specifier, extras and environment markers; requires_python; license; and the list of optional extras. One-hop Python supply-chain view. $0.01 per project.
Output
A structured breakdown of the latest PyPI release's dependency metadata: a list of requires_dist entries each parsed into dependency name, version specifier, extras, and environment markers; the requires_python constraint; the package license; and the list of declared optional extras.
Example use cases
Audit package license before adoption
“Before we add 'pydantic' to our project, can you pull its PyPI dependency metadata and tell me what license it uses and what its required Python version is?”
Check optional extras for a library
“What optional extras does the 'boto3' PyPI package expose in its latest release? I want to know if there's a specific extra I need to install for certain features.”
Supply chain dependency review
“I need a one-hop supply chain view of 'celery' — can you get all its requires_dist entries from PyPI with their version specifiers and any environment markers?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/dev/pypi-requiresWhen to prefer
Use this endpoint when you need a quick, parsed, one-hop view of a Python package's dependencies without running pip or setting up a Python environment. Ideal for supply chain audits, license checks, CI automation, and agent workflows that need to reason about Python package requirements programmatically. Prefer this over scraping PyPI directly or using the raw PyPI JSON API when you want pre-parsed, structured dependency fields.
Side effects
- Package not found on PyPI — returns an error or empty result
- Package exists but has no requires_dist metadata — returns empty dependency list
- Network or upstream PyPI API timeout
- Malformed package name input
- Payment of $0.01 USDC required per call — unpaid requests will be rejected with 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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