Enforcement Cases

Search and retrieve EPA enforcement cases, including civil and criminal actions linked to specific facilities.

Endpoints

GET/v1/casesPro+

Search enforcement cases with filtering by type, program, agency, and date.

GET/v1/cases/{case_id}Pro+

Get complete case details including linked facilities and penalties.

Search cases

GET/v1/cases

Query Parameters

qstring

Search case name or case number

e.g. ACME Chemical
case_typestring

Case type: CIVIL or CRIMINAL

e.g. CIVIL
lead_agencystring

Lead enforcement agency: EPA or STATE

e.g. EPA
programstring

EPA program (CAA, CWA, RCRA, SDWA)

e.g. CAA
statusstring

Case status (e.g. OPEN, SETTLED, CLOSED)

facility_iduuid

Filter cases involving a specific facility

sincedate

Cases filed after this date (YYYY-MM-DD)

untildate

Cases filed before this date

pageinteger

Page number (default 1)

per_pageinteger

Results per page (default 25, max 100)

cursorstring

Cursor for cursor-based pagination

Request
curl "https://api.parley.dev/v1/cases?case_type=CIVIL&program=CAA&since=2024-01-01" \  -H "X-API-Key: prl_YOUR_KEY_HERE"
200OKapplication/json
{  "data": [    {      "id": "c9d8e7f6-a1b2-3c4d-5e6f-7890abcdef12",      "case_number": "02-2025-1234",      "case_name": "United States v. ACME Chemical Inc.",      "case_type": "CIVIL",      "lead_agency": "EPA",      "status": "SETTLED",      "filing_date": "2025-03-15",      "settlement_date": "2025-09-22",      "programs": ["CAA"]    }  ],  "pagination": {    "total": 12,    "page": 1,    "per_page": 25,    "has_more": false  }}

Get case details

GET/v1/cases/{case_id}

Path Parameters

case_idrequireduuid

The case UUID

e.g. c9d8e7f6-a1b2-3c4d-5e6f-7890abcdef12
Request
curl "https://api.parley.dev/v1/cases/c9d8e7f6-a1b2-3c4d-5e6f-7890abcdef12" \  -H "X-API-Key: prl_YOUR_KEY_HERE"
200OKapplication/json
{  "data": {    "id": "c9d8e7f6-a1b2-3c4d-5e6f-7890abcdef12",    "case_number": "02-2025-1234",    "case_name": "United States v. ACME Chemical Inc.",    "case_type": "CIVIL",    "lead_agency": "EPA",    "status": "SETTLED",    "filing_date": "2025-03-15",    "settlement_date": "2025-09-22",    "programs": ["CAA"],    "statutes": ["Clean Air Act"],    "facilities": [      {        "id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",        "frs_id": "110000000001",        "name": "ACME CHEMICAL PLANT",        "state": "TX"      }    ],    "penalties": [      {        "id": "p1a2b3c4-...",        "penalty_type": "FEDERAL",        "amount": 75000.00,        "penalty_date": "2025-06-30"      },      {        "id": "p2b3c4d5-...",        "penalty_type": "FEDERAL",        "amount": 50000.00,        "penalty_date": "2025-09-22"      }    ],    "last_synced_at": "2026-03-19T04:00:00Z"  },  "meta": {    "request_id": "req_4c5d6e7f",    "timestamp": "2026-03-20T12:00:00Z"  }}