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EPA — U.S. Environmental Protection Agency Lookups API

The Lookups API from EPA — U.S. Environmental Protection Agency — 10 operation(s) for lookups.

EPA — U.S. Environmental Protection Agency Lookups API is one of 137 APIs that EPA — U.S. Environmental Protection Agency publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1242 JSON Schema definitions.

Tagged areas include Lookups. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1242 JSON Schemas.

This API exposes 20 operations across 10 paths, and defines 12 schemas. It is described by OpenAPI 3.0.3, at version 1.0.

Requests are made against a single base URL, https://aqs.epa.gov/data/api.

20 operations 10 paths 12 schemas 10 GET10 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1.0
Base URL
https://aqs.epa.gov/data/api
Authentication
API Key
Resource Areas
1

Authentication & Security 1

EPA — U.S. Environmental Protection Agency Lookups API declares 1 security scheme for authenticating requests. An API key is passed in the query as key (emailKey). By default, every request must be authenticated.

  • emailKey — AQS requires email and key query parameters on every request. Register at /signup?email=YOUREMAIL to receive a key by email.

Paths & Operations 20

Across 10 paths, the API surfaces 20 operations — 10 GET, 10 POST. Each is listed below with its method, path, parameters, and response codes.

Lookups 20
GET
/rest_lookups.icis_law_sections
ECHO ICIS Law Sections Lookup Service
7 params → 200
POST
/rest_lookups.icis_law_sections
ECHO ICIS Law Sections Lookup Service
7 params → 200
GET
/rest_lookups.bp_tribes
ECHO BP Tribes Lookup Service
4 params → 200
POST
/rest_lookups.bp_tribes
ECHO BP Tribes Lookup Service
4 params → 200
GET
/rest_lookups.cwa_parameters
ECHO CWA Parameter Lookup Service
4 params → 200
POST
/rest_lookups.cwa_parameters
ECHO CWA Parameter Lookup Service
4 params → 200
GET
/rest_lookups.cwa_pollutants
ECHO CWA Pollutants Lookup Service
4 params → 200
POST
/rest_lookups.cwa_pollutants
ECHO CWA Pollutants Lookup Service
4 params → 200
GET
/rest_lookups.federal_agencies
ECHO Federal Agency Lookup Service
4 params → 200
POST
/rest_lookups.federal_agencies
ECHO Federal Agency Lookup Service
4 params → 200
GET
/rest_lookups.icis_inspection_types
ECHO ICIS NPDES Inspection Types Lookup Service
4 params → 200
POST
/rest_lookups.icis_inspection_types
ECHO ICIS NPDES Inspection Types Lookup Service
4 params → 200
GET
/rest_lookups.naics_codes
ECHO NAICS Codes Lookup Service
4 params → 200
POST
/rest_lookups.naics_codes
ECHO NAICS Codes Lookup Service
4 params → 200
GET
/rest_lookups.npdes_parameters
ECHO NPDES Parameters Lookup Service
3 params → 200
POST
/rest_lookups.npdes_parameters
ECHO NPDES Parameters Lookup Service
3 params → 200
GET
/rest_lookups.wbd_code_lu
ECHO WBD Code Lookup Service
4 params → 200
POST
/rest_lookups.wbd_code_lu
ECHO WBD Code Lookup Service
4 params → 200
GET
/rest_lookups.wbd_name_lu
ECHO WBD Name Lookup Service
4 params → 200
POST
/rest_lookups.wbd_name_lu
ECHO WBD Name Lookup Service
4 params → 200

Schemas 12

The contract defines 12 schemas that model the data the API accepts and returns. The most detailed are rlup24 (2 properties), rlup58 (2 properties), rlup01 (2 properties), rlup54 (2 properties). Each schema is shown below with its type and property counts.

rlup24
object
Results Object
2 properties 1 required
rlup61
object
Results Object
2 properties 1 required
rlup77
object
Results Object
2 properties 1 required
rlup20
object
Results Object
2 properties 1 required
rlup75
object
Results Object
2 properties 1 required
rlup23
object
Results Object
2 properties 1 required
rlup65
object
Results Object
2 properties 1 required
rlk51_Results
object
Results Object
2 properties 1 required
rlup54
object
Results Object
2 properties 1 required
rlup01
object
Lookup Values
2 properties 2 required
rlup58
object
Results Object
2 properties 1 required
rlk00_LuValues
object
Lookup Values
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

epa-lookups-api-openapi.yml Raw ↑

Other APIs EPA — U.S. Environmental Protection Agency publishes across the network.

EPA Facility Registry Service (FRS) API
EPA TRI (Toxics Release Inventory) Web Service
EPA ATTAINS Web Services
EPA WATERS — Watershed Assessment, Tracking & Environmental Results
EPA Grants API
EPA Insect Repellents API
EPA e-Manifest Hazardous Waste Tracking
EPA System of Registries (SoR)
CTX — Center for Computational Toxicology and Exposure APIs
EPA — U.S. Environmental Protection Agency Account Type Codes API
EPA — U.S. Environmental Protection Agency Accounts API
EPA — U.S. Environmental Protection Agency Air Emission Testing API