The original title is about an FDA Recall API guide, specifically about openFDA enforcement. Let me rewrite this for a mobile feed.

Short summary

A detailed technical guide to the openFDA enforcement API, covering four recall endpoints with different schemas and refresh schedules. Documents critical undocumented traps: unparenthesized OR queries silently discard clauses, skip-based pagination caps at 26,000 records (below total counts for device and food recalls), and generic error messages hide useful details. Includes concrete measured data from live API calls on 2026-07-20.

• •Four recall endpoints exist with incompatible schemas and different refresh clocks
• •Unparenthesized OR queries silently drop all but the last clause with no error
• •skip pagination caps at 26,000 records, silently dropping ~34% of device recalls; use search_after via Link headers instead

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