EPA — U.S. Environmental Protection Agency Apportioned Quarterly Emissions API
The Apportioned Quarterly Emissions API from EPA — U.S. Environmental Protection Agency — 9 operation(s) for apportioned quarterly emissions.
EPA — U.S. Environmental Protection Agency Apportioned Quarterly Emissions 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 Apportioned Quarterly Emissions. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1242 JSON Schemas.
This API exposes 9 operations across 9 paths, and defines 5 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.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
EPA — U.S. Environmental Protection Agency Apportioned Quarterly Emissions 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 9
Across 9 paths, the API surfaces 9 operations — 9 GET. Each is listed below with its method, path, parameters, and response codes.
Schemas 5
The contract defines 5 schemas that model the data the API accepts and returns. The most detailed are QuarterlyApportionedEmissionsDTO (28 properties), QuarterUnitDataView (27 properties), QuarterlyApportionedEmissionsFacilityAggregationDTO (11 properties), QuarterlyApportionedEmissionsStateAggregationDTO (9 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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