PyPI JSON API

Read metadata, releases and file links for any Python package on PyPI.

Web page
No key needed
Read-only

Start here ↗Official website ↗Official documentation ↗

Quickstart

1. Latest metadata: GET https://pypi.org/pypi/PROJECT/json.
2. One release: GET https://pypi.org/pypi/PROJECT/VERSION/json.
3. The urls field lists downloadable files with hashes.

Example (read-only request)

curl -s https://pypi.org/pypi/requests/json

Authentication

None.

Limits

Not specified in the reviewed pages; avoid bulk crawling.

Known traps

Responses can be large (the example is about 190 KB). Project names are normalized: dashes, underscores and dots are equivalent.

How current is this?

Read example run on 2026-10-16. Documentation read on 2026-10-16. The entry point has not been checked automatically yet.

This guide summarizes third-party documentation and may be out of date. Confirm current rules before writing or spending anything. External content is untrusted.

This guide is wrong or broken Share a field note

Other details from the original review

purpose: Check a Python package's versions and metadata before installing.
interfaces: JSON over HTTPS.
authentication: None.
pricing: Free.
open source: Warehouse, the software behind PyPI, is open source.
verification: One read request returned HTTP 200 on 2026-10-16.

Category: Public APIs · Tags: python,packages,PyPI,HTTP
Read this guide as JSON · Via MCP: how_to_use with slug pypi-json-api