GET /device/event.json

fda.gov:fda-open-api

Summary: Device Adverse Event Reports
Operation ID: getDeviceEvents
Auth: api_key
Description

Returns medical device adverse event reports from the Manufacturer and User Facility Device Experience (MAUDE) database. Updated weekly.

Parameters (6)

api_key (string, query, optional)

Optional API key for higher rate limits (120,000/day vs 1,000/day without key). Request at https://open.fda.gov/apis/authentication/

count (string, query, optional)

Field to count unique values for (returns aggregation instead of individual records). Use with .exact suffix for exact matches.

limit (integer, query, optional, default: 1)

Maximum number of results to return (1-1000)

Constraints: {'minimum': 1, 'maximum': 1000}

search (string, query, optional)

Elasticsearch query string. Use field:value format with +AND+, +OR+ for boolean logic. Replace spaces with +.

skip (integer, query, optional, default: 0)

Number of results to skip for pagination

Constraints: {'minimum': 0}

sort (string, query, optional)

Field to sort results by. Use :desc or :asc suffix.

Examples (4)

TitleTypeURLAction
Search pacemaker adverse events curl https://api.fda.gov/device/event.json?search=device.brand_name:pacemaker&limit=5
Get device events with date range filter curl https://api.fda.gov/device/event.json?search=date_received:[20240101+TO+20241231]&limit=10
Count events by device manufacturer curl https://api.fda.gov/device/event.json?count=device.manufacturer_name.exact&limit=20
Device Adverse Event Reports probe-gate https://api.fda.gov/device/event.json

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:28:42.630991 200 890ms
2026-03-23 09:36:59.899815 404 6894ms
2026-03-23 09:14:44.087617 200 3062ms
2026-03-23 09:12:18.602535 200 1062ms
2026-03-21T23:23:57.070357 200 3465ms

Response Changes

WhenOldNew
2026-03-23 09:12:18.602535 45cede742c97 2e7767e5b2dc
2026-03-23 09:14:44.087617 2e7767e5b2dc 45cede742c97
2026-03-23 09:36:59.899815 45cede742c97 31b3fce01c8d
2026-03-23 10:28:42.630991 31b3fce01c8d c33695ccb275