EPA — U.S. Environmental Protection Agency Unit Capacities API
The Unit Capacities API from EPA — U.S. Environmental Protection Agency — 1 operation(s) for unit capacities.
EPA — U.S. Environmental Protection Agency Unit Capacities 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 Unit Capacities. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1242 JSON Schemas.
This API exposes 1 operation across 1 path, and defines 1 schema. It is described by OpenAPI 3.2.0, at version v2.0.118 published: Thu Mar 26 2026.
Requests are made against a single base URL, https://api.epa.gov/easey.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
EPA — U.S. Environmental Protection Agency Unit Capacities API declares
2 security schemes
for authenticating requests.
An API key is passed in the header as x-api-key (APIKey).
It accepts HTTP bearer tokens (JWT) (Token).
APIKey— API Key required via "x-api-key" request header!Token— Authorization "bearer" token required for data modification operations
Paths & Operations 1
Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.
Schemas 1
The contract defines 1 schema that model the data the API accepts and returns. The most detailed is UnitCapacityDTO (14 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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Other APIs EPA — U.S. Environmental Protection Agency publishes across the network.
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