Pricing

$10.00 / 1,000 download stats checks

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PyPI Download Stats Tracker — Trend by Package

Try for free

Get download counts for one or more PyPI (Python) packages over a chosen period, plus percent change versus the prior period of the same length. For tracking adoption trends, not new releases.

Pricing

$10.00 / 1,000 download stats checks

Rating

0.0

(0)

Developer

Timothy Kelvin

Actor stats

Bookmarked

Total users

Monthly active users

3 hours ago

Last modified

Input

{
  "packages": ["requests", "numpy", "fastapi"],
  "daysBack": 7
}

Field	Type	Description
`packages`	array of strings	PyPI package names to check, e.g. `"requests"`, `"numpy"`. At least one required.
`daysBack`	number	Length of the period to measure, and also the length of the prior period it's compared against. Default `7`, max `90`.

Output

One record per package:

{
  "package": "requests",
  "currentPeriodDownloads": 428786906,
  "currentPeriodStart": "2026-08-09",
  "currentPeriodEnd": "2026-08-16",
  "previousPeriodDownloads": 402118554,
  "previousPeriodStart": "2026-08-01",
  "previousPeriodEnd": "2026-08-08",
  "percentChange": 6.63
}

currentPeriodDownloads is null for a package name PyPI doesn't recognize (typo or unpublished). PyPI's public stats retain roughly the last 180 days of history — a daysBack value near the max (90) plus its comparison period may run past the edge of available data for very old or very low-traffic packages.

A request is billed once regardless of how many packages are checked.

How it works

Direct calls to the official PyPI Stats API (pypistats.org), operated by the Python Software Foundation on top of PyPI's public download-log data — no proxy, no key, no scraping.

Pricing note

Billed per request, not per package returned — one charge whether you check 1 package or several.

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