# PyPI Package Health Inspector

> PyPI Package Health Inspector is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).

Returns latest version, summary, license, Python version requirements, dependency declarations, and yank status for any PyPI package by name.

## Facts

- Endpoint: POST https://x402.forgemesh.io/pypi-package-health
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/pypi-package-health-inspector-0f5a92ee
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_yYF1fvZgx25EvP7y4VnoF

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability pypi-package-health-inspector-0f5a92ee -d '<json body>'
```

Example prompt: Before we install it, can you check the PyPI metadata for the 'httpx' package — I want to know the latest version, its license, Python version requirements, any declared dependencies, and whether it's been yanked?

## When to prefer this

Use this endpoint when a Python coding agent needs to perform pre-install hygiene checks on a package — specifically to verify the latest version, confirm license compatibility, check Python version requirements, inspect declared dependencies, or confirm a release hasn't been yanked. Prefer this over scraping PyPI directly or using pip commands in an agent context.

## Known failure modes

- Package not found on PyPI — returns error indicating unknown package name
- Network or PyPI API unavailability — upstream timeout or error
- Malformed package name input — returns validation error
- Package exists but has incomplete metadata — some fields may be null or empty

## How this service works

PyPI package inspection API: latest version, summary, license, requires-python, dependency declarations, and yank status for any Python package. The pre-install hygiene check for Python coding agents.

## Output

Returns a structured response with the package's latest version number, short summary description, license identifier, requires-python constraint, list of dependency declarations, and yank status (whether the release has been yanked from PyPI).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "package": {
   "type": "string",
   "description": "package name, e.g. requests"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "name": "requests",
   "summary": "Python HTTP for Humans.",
   "version": "2.32.3",
   "requires_python": ">=3.8"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/pypi-package-health-inspector-0f5a92ee/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.forgemesh.io](https://www.zero.xyz/host/x402.forgemesh.io/llms.txt)