clinical recall check derived

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "drug": "Brand or generic medication name — e.g. \"metformin\" | \"valsartan\" | \"Zantac\" | \"ranitidine\"",
      "lang": "en | es | fr | de | ja | zh | ko | pt | ar | hi (default: en)"
    }
  },
  "output": {
    "type": "json",
    "errors": {
      "400": {
        "example": {
          "error": "invalid request"
        },
        "description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."
      },
      "402": {
        "description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
      },
      "500": {
        "example": {
          "error": "upstream_failed"
        },
        "description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."
      }
    },
    "example": {
      "recalls": [
        {
          "date": "20251104",
          "reason": "Detection of a trace nitrosamine impurity (NDMA) above the acceptable daily limit.",
          "status": "Ongoing",
          "product": "Valsartan tablets, 160 mg",
          "classification": "Class II",
          "recalling_firm": "Example Pharma Inc.",
          "where_distributed": "Nationwide (US)",
          "voluntary_or_mandated": "Voluntary"
        }
      ],
      "disclaimer": "Recall records come from the FDA openFDA enforcement database. A recall of one lot does not mean every bottle of this drug is affected — check the specific product, lot number, and NDC against the recall notice, and ask your pharmacist.",
      "what_to_do": [
        "Find the NDC and lot number on your bottle and compare them to the recall notice.",
        "Call your pharmacy — they can tell you if your specific lot is affected and provide a replacement.",
        "Do not stop a blood-pressure medicine on your own; ask your pharmacist about a safe alternative first."
      ],
      "bottom_line": "There are active recalls for some valsartan lots over a trace impurity — check your specific bottle rather than assuming yours is affected.",
      "query_summary": {
        "drug": "valsartan",
        "records_found": 6
      },
      "highest_severity": "Class II",
      "severity_meaning": "Class II means the product might cause temporary or medically reversible health problems, and the chance of serious harm is low.",
      "has_active_recall": true
    }
  }
}