fda_warningletters_search
Which FDA-regulated firms have an open FDA warning letter? Search the FDA Warning Letters index by company, product area (drugs, devices, biologics, food, dietary-supplement, cosmetics, tobacco, veterinary), issuing office, subject (CGMP, adulterated, misbranded), open/closed status, or issue/posted date. Returns the recipient firm (entity-resolved where possible), issuing office, subject, and response/close-out dates — a documented compliance gap and remediation trigger. [price: $0.05/row]
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| sort | No | letter_issue_date | posted_date :asc|:desc. Default letter_issue_date:desc. | |
| limit | No | Max rows (default 25, cap 100). | |
| since | No | Letter issue date on/after this date (YYYY-MM-DD). | |
| closed | No | false = open letters (no close-out) only; true = closed-out only. | |
| offset | No | Rows to skip. | |
| company | No | Recipient company name — suffix/punctuation-insensitive. | |
| subject | No | Subject / alleged-violation fragment. | |
| entity_id | No | Resolved employer entity UUID (pivots to business360). | |
| responded | No | true = a firm response letter is on record; false = none. | |
| posted_since | No | Posted date on/after this date (YYYY-MM-DD) — newly-published letters. | |
| product_area | No | drugs | devices | biologics | food | dietary-supplement | cosmetics | tobacco | veterinary | other (CSV). | |
| issuing_office | No | FDA center / district office fragment. |