Drug adverse events
FAERS adverse event reports for a drug.
- price
- $0.003 / call
- free tier
- free allowance
- MCP tool
- openfda__drug-adverse-events
- method
- GET
GET https://fourzerotwo.si/v1/openfda/drug-adverse-events
| Param | Type | Description |
|---|---|---|
| search | string | openFDA search expression |
| limit? | integer | Max results (default 10, max 100) |
# unpaid: returns 402 with the price curl -i "https://fourzerotwo.si/v1/openfda/drug-adverse-events?search=patient.drug.openfda.brand_name%3A%22ozempic%22" # free tier: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/openfda/drug-adverse-events?search=patient.drug.openfda.brand_name%3A%22ozempic%22"
Use it from an AI agent (MCP)
Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.
{
"mcpServers": {
"fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
}
}
# the call the agent makes
call_api {"tool": "openfda__drug-adverse-events", "arguments": {"search":"patient.drug.openfda.brand_name:\"ozempic\"","limit":5}}
More from openFDA
- Drug recalls — Drug recall enforcement reports.
- NDC directory — National Drug Code directory entries.
- Drug approvals — FDA approval history (Drugs@FDA) for an application or brand.
- Device adverse events — MAUDE medical device adverse event reports.
- Device recalls — Medical device recalls.
- Device 510(k) clearances — Premarket 510(k) clearances.
- Food recalls — Food recall enforcement reports.
- Food & supplement adverse events — CAERS reports for foods, supplements and cosmetics.
- Drug labels — Structured prescribing information: indications, dosage, warnings, interactions.
Source: U.S. Food and Drug Administration (openFDA). Public domain. Do not rely on openFDA to make decisions regarding medical care.