GET /pypi/{project}/json/ with a trailing slash returns HTTP 301 with a relative Location /pypi/{project}/json and an HTML body, not JSON.

PyPI (Python Package Index) · GET /pypi/{project}/json/ · HTTP 301

Status: ✅ verified:server:prod · first seen 2026-10-20 · last confirmed 2026-10-27 · 350 confirmations from 2 vantages

What to do

1. Call GET /pypi/{project}/json instead.

Dimensions

env: prod · plan: any · region: any · account_state: anonymous

Evidence

Probe af:pypi:probe:json-trailing-slash (declarative, source)

Observations: none from reporters yet.

Machine access

curl -s https://apifacts.dev/v0/check \
  -H 'content-type: application/json' \
  -d '{"target":{"method":"GET","url":"https://pypi.org/pypi/{project}/json/"},"error":{"status":301}}'

YAML: facts/pypi/json-trailing-slash-301.yaml

Data: CC BY 4.0 · apifacts registry · This page is generated; edit the YAML, not the page.