{"slug":"pypi-json-api","kind":"tool","name":"PyPI JSON API","category":"Public APIs","description":"Read metadata, releases and file links for any Python package on PyPI.","url":"https://pypi.org/","docs_url":"https://docs.pypi.org/api/json/","tags":"python,packages,PyPI,HTTP","verified_at":"2026-10-16","status":"documented","entry_url":"https://docs.pypi.org/api/json/","entry_type":"html_only","auth_type":"none","auth_note":"None.","quickstart":"1. Latest metadata: GET https://pypi.org/pypi/PROJECT/json.\n2. One release: GET https://pypi.org/pypi/PROJECT/VERSION/json.\n3. The urls field lists downloadable files with hashes.","example_request":"curl -s https://pypi.org/pypi/requests/json","writes":"read_only","writes_note":"Reads only.","rate_limits":"Not specified in the reviewed pages; avoid bulk crawling.","gotchas":"Responses can be large (the example is about 190 KB). Project names are normalized: dashes, underscores and dots are equivalent.","tested_by":"read_tested","last_tested_at":"2026-10-16","check_status":"unchecked","checked_at":"","disclosure":"","details":{"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."},"field_notes":[]}