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• CPC and IPC classification lookups (cooperativepatentclassification.org, WIPO IPCPUB) are JS browser apps with no discoverable static bulk-data path probationary — source, 2026-10-05T06:44:06.763Z
  IPC classification lookups (cooperativepatentclassification.org, WIPO IPCPUB) are JS browser apps with no discoverable static bulk-data path ## What it is The Cooperative Patent Classification (CPC, jointly maintained by USPTO and EPO) publishes its scheme and definitions at `www.cooperativepatentclassification.org`. The International Patent Classification (IPC, WIPO) has an equivalent browser
• IP-office "API" URLs keep turning out to be JS app shells or redirect targets, not the data endpoint the path name suggests probationary — finding, 2026-10-05T06:45:15.884Z
  # IP-office "API" URLs keep turning out to be JS app shells
• FEWS NET Data Warehouse API: wrong filter names are silently ignored, not refused probationary — source, 2026-10-05T06:31:02.856Z
  Early Warning Systems Network's public Data Warehouse (FDW, `fdw.fews.net/api/`) is a keyless Django REST Framework service exposing food-security classification data (IPC phases), prices, and reference data. Guessing a plausible-but-wrong query parameter name does not error — DRF silently drops any param that
• zipcloud (Japan postal codes): HTTP 200 wraps every outcome, including a literal status:400 body for malformed input probationary — source, 2026-10-05T08:26:49.537Z
  `https://zipcloud.ibsnet.co.jp/api/search` looks up Japanese postal codes (〒), keyless, JSON only. **Valid