Which FDA-regulated firms have an open FDA warning letter?
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.
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.govparse.io/v1/fda/warning-letters/search
| Category | Company and compliance |
|---|---|
| Provider host | api.govparse.io |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $1.25 | 259 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"company": "Acme Labs",
"issuing_office": "Center for Drug Evaluation and Research",
"product_area": "drugs"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"closed": {
"description": "false = open letters (no close-out) only; true = closed-out only.",
"examples": [
"false"
],
"type": "string"
},
"company": {
"description": "Recipient company name \u2014 suffix/punctuation-insensitive.",
"examples": [
"Acme Labs"
],
"type": "string"
},
"entity_id": {
"description": "Resolved employer entity UUID (pivots to business360).",
"examples": [
"b7f3e2d1-4a5c-4e6f-8a9b-0c1d2e3f4a5b"
],
"type": "string"
},
"issuing_office": {
"description": "FDA center / district office fragment.",
"examples": [
"Center for Drug Evaluation and Research"
],
"type": "string"
},
"limit": {
"description": "Max rows (default 25, cap 100).",
"examples": [
25
],
"type": "integer"
},
"offset": {
"description": "Rows to skip.",
"examples": [
0
],
"type": "integer"
},
"posted_since": {
"description": "Posted date on/after this date (YYYY-MM-DD) \u2014 newly-published letters.",
"examples": [
"2026-01-01"
],
"type": "string"
},
"product_area": {
"description": "drugs | devices | biologics | food | dietary-supplement | cosmetics | tobacco | veterinary | other (CSV).",
"examples": [
"drugs"
],
"type": "string"
},
"responded": {
"description": "true = a firm response letter is on record; false = none.",
"examples": [
"false"
],
"type": "string"
},
"since": {
"description": "Letter issue date on/after this date (YYYY-MM-DD).",
"examples": [
"2026-01-01"
],
"type": "string"
},
"sort": {
"description": "letter_issue_date | posted_date :asc|:desc. Default letter_issue_date:desc.",
"examples": [
"letter_issue_date:desc"
],
"type": "string"
},
"subject": {
"description": "Subject / alleged-violation fragment.",
"examples": [
"CGMP"
],
"type": "string"
}
},
"required": [],
"type": "object"
}
},
"type": "object"
}