Unnamed resource.

GET https://api.govparse.io/v1/fda/warning-letters/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.

Eligibility: probeable
Failures: 0
Last quote: —
Last probe: —

Payment requirements / accepts[] 2 options

State	Network	Scheme	Atomic amount	Asset	payTo / untrusted
active	eip155:8453	exact	1250000	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	0x3873d15CF3209c32aaA8d9AA542164E658567129
active	solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp	exact	1250000	EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v	BdcZbENFdEyEUMqv9pnRMUnn1Yyeyo2dCMbYXbJ3LmaB

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 0 recent

No probe attempts recorded yet. Coverage runs prioritize never-probed endpoints.

Machine contract

Schemas.

InputJSON

{
  "method": "GET",
  "queryParams": {
    "company": "Acme Labs",
    "issuing_office": "Center for Drug Evaluation and Research",
    "product_area": "drugs"
  },
  "type": "http"
}

OutputJSON

{
  "example": {
    "rows": [
      {
        "closeout_date": null,
        "company_name": "Example Pharmaceuticals, Inc.",
        "entity_id": null,
        "has_response": false,
        "is_closed": false,
        "issuing_office": "Center for Drug Evaluation and Research | CDER",
        "letter_id": "3f5a9c1e2b7d4a8c6e0f1a2b3c4d5e6f",
        "letter_issue_date": "2026-03-04",
        "posted_date": "2026-03-18",
        "product_area": "drugs",
        "response_date": null,
        "subject": "CGMP/Finished Pharmaceuticals/Adulterated"
      }
    ],
    "total_matched": 1
  },
  "type": "json"
}